Sellita Sw200 Vs Sw200 1

Sellita Caliber SW200 VS SW200-1

Sellita Sw200 Vs Sw200 1

What is the difference between Sellita caliber SW200 and SW200-1?

In 2008, Sellita published a document about the evolution of the caliber SW200 automatic mechanism to the SW200-1.

According to watch movement manufacturer, the goal for the change is to:

Minimize wear and tear of the wheels in the automatic chain changing the tooth profile.

Which parts were changed?

The changes to the -1 variation include making modifications to the following components of the movement:

  • Axis of reduction wheel (1481)
  • Axis and wheel of ratchet wheel driving wheel (1482)
  • Ratchet wheel (415)

Sellita Sw200 1 Differences

According to the documentation, other than the three components pictured above, all other parts of the caliber SW200 are interchangeable with the SW200-1. When performing maintenance or repair, these three components should be changed together to maintain functionality of the gear chain.

Technical Explanation:

The gears on the original SW200 are following normal standards, however, Sellita found that each individual tooth has “slim geometry” and have been known to get damaged due to strong shocks to the watch. The new gear design provides power transmission equal to the SW200, but they strengthened the tooth geometry to reduce the risk of damage from strong shock.

Sellita Sw200 1 Gears

The change of version is part of our ongoing improvement strategy to optimize the performance of our calibers. -Sellita

Unresolved Issues?

Despite the evolution and changes from SW200 to SW200-1, the same issues are still being experienced with the teeth being broken off of the ratchet wheels/gears as a result of hand-winding the movement.

Below is a picture of an SW200-1 ratchet wheel found in a microbrand watch that was produced in 2019.

Sellita Sw200 1 Ratchet Wheel Winding Gear Damaged

The wheel on the left was the damaged part that came in the watch. The wheel to the right was the new part ordered for the repair.

Sellita Sw200 1 Ratchet Wheel Winding Gear Teeth

To remedy this issue, you will need a new ratchet wheel. This is what an original and authentic part #415 looks like from Sellita.

Comment below if you have experienced this issue in your watch. Please be as specific as possible: brand, how often you hand wind, when the teeth became damaged, etc.

When did Sellita SW200 become SW200-1?

As mentioned above, Sellita began this change as far back as 2008. There is some confusion online about this date because the top of Sellita’s tech sheets say “R&D 08.04.13.” This was likely a revision date. The date of the actual document was 19.08.2008 (August 19, 2008). Sellita no longer provides tech sheets for the SW200, but the most recent one we found was from 2007. We also found an SW200-1 tech sheet from 2010. Therefore, it turns out that the SW200-1 is what most of the watch community is used to.

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STP and Soprod Movement Sources - Page 3
5 years ago

[…] wouldn't mind betting the parts are interchangable. Any link to show exactly what they've done? Sellita Caliber SW200 VS. SW200-1 Watch Movement | CaliberCorner.comhttps://forums.watchuseek.com/f2/sel…-a-873049.html Reply With […]

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Sellita Caliber SW200-1 Watch Movement | CaliberCorner.com
5 years ago

[…] Sellita SW200 VS SW200-1 […]

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Oris Caliber 732 Watch Movement | CaliberCorner.com
4 years ago

[…] Sellita SW200 VS SW200-1 […]

Duong Dragon
Duong Dragon
4 years ago

i using Bulova Precision 362 khz with it’s second hand sweeping very very smoothy, and accuracy 5s/ 365 days. Now, It has no comparatives in the Switzerland and wide world. Its most precious!!!!

MasterWatcher
MasterWatcher
4 years ago
Reply to  Duong Dragon

I think you mean 262 kHz. They don’t make 362 kHz right? And you should post your comment in the Bulova thread. https://calibercorner.com/bulova-caliber-p102/

MND2955
MND2955
3 years ago
Reply to  Duong Dragon

It’s 262.144 kHz. And I think this in the wrong section because this comment has nothing to do with Sellita’s SW200 movements.

Dryfly
Dryfly
17 days ago
Reply to  Duong Dragon

A cheap quartz watch has “no comparatives in the wide world” to this mechanical Sellita movement. You have a cheap accurate watch. This is a finely made mechanical timepiece movement. They are not the same thing, nor are they even similar.

trackback
Sellita Caliber SW200-1 Watch Movement | Caliber Corner
4 years ago

[…] evolution from SW200 to SW200-1 was supposed to fix an issue with the teeth of the ratchet wheel breaking off while hand-winding […]

MND2955
MND2955
3 years ago

I still have an old Invicta with the original SW200 I believe. It has never been serviced and still runs but doesn’t get much wrist time so I don’t know if it is accurate. I just picked up a Farer Beagle II with the SW200-1 and so far running strong no issue.

Tom
Tom
3 years ago

Movement is a pain generally to repair if you ask me. 9 series Miyota seems a much better alternative.

nenmayk
nenmayk
3 years ago

have an identical problem in a eta2824-2 ….. not really winding a lot

DJ
DJ
3 years ago

As I commented on another thread on the site: I have 4 watches with Sellita movements. 2 Bulova Accuswiss Tellaros, 1 Glycine Combat Sub and 1 Glycine Combat Classic. I hand-wind daily. The first Tellaro broke about 6 months into ownership, the second less than a month into ownership, and the Combat Sub after a year and a half although to be fair, I wore this one quite a bit more than the rest too. The Combat Classic has held up so far but I haven’t had it 2 years yet. All of the rest of them, had broken ratchet… Read more »

Sullivan S
Sullivan S
3 years ago
Reply to  DJ

Why are you hand winding them every day? The point of an automatic is they wind themselves. I suggest you hand wind mechanical watches and leave the automatics to wind themselves. Of course when you wear ur watch you need to set it and wind 10-20 times to get it going, but other than that is unnecessary to wind them every day.

Just a suggestion
Btw I have Japanese and swiss movement watches and none have had the catastrophic failures you describe

With respect

Sri tocs

Dryfly
Dryfly
17 days ago
Reply to  Sullivan S

I have quite a few watches with this movement, I like it a lot. Mine range from standard to COSC grade movements. Never had a single issue with any of them.
It’s a very nice, reliable and accurate movement in my experience.

James
James
2 years ago
Reply to  DJ

Then it’s just coincidence that your Sellita watches have issues. Issues caused by you hand winding every day, they aren’t build for that. ETA are the same. Sadly you have caused yourself a lot if hassle because you didn’t do your due diligence.

Dryfly
Dryfly
17 days ago
Reply to  DJ

It is an automatic watch, there is no reason for you to be winding it all of the time. This is a self inflicted “defect.” Buy a hand wind watch if you want to turn the crown all of the time.

Shadezzz
Shadezzz
3 years ago

I recently bought a Glycine Combat Sub with a Sellita SW200-1 based movement (I think Glycine only changes the rotor), would it help not to handwind it to prevent breaking the gears? It won’t get a whole lot of wristtime and will be on a watchwinder most of the time anyway, I’m already worried about breaking it after reading this page. I returned a watch with an SW200 movement years ago because of this problem, and thought they had fixed it with the newer version SW200-1, apparently not.

James
James
2 years ago
Reply to  Shadezzz

It’s not a common issue when you look at the number of SW200 and ETA 2824 movements produced. Most people wear 1 watch and don’t need to hand wind it regularly. Unfortunately like the the person above, you have caused your own problem by returning what was in all likelihood a good watch because you have not understood the information available. Watch winders are another kettle of fish, they will cause undue wear and will reduce the time your watch will need a service, which in turn will cost you more money. On the positive side it is good to… Read more »

I Am Watcher
I Am Watcher
2 years ago
Reply to  James

You do have a point there. I took my Swiss movement watches out of the watchwinders and replaced them with Japanese movement watches that were in display cases. Like you said, a few shakes and setting the time without really stressing the winding mechanism is worth the effort if it extends the service intervals. Thanks for your insight.

Dryfly
Dryfly
17 days ago
Reply to  Shadezzz

There is no need to be concerned about this movement, it is as robust and durable as any other movement, just don’t hand wind it all the time.

Nuno
Nuno
3 years ago

Top

David
David
2 years ago

The damage visible on the ratchet wheel above looks, to me, like an abusive relationship. The force needed to shear away those gear teeth is high and would indicate, to me, a careless owner. Many of the remaining teeth also show damage, but below the point of destruction. That watch was likely owned by a gorilla.

I Am Watcher
I Am Watcher
2 years ago
Reply to  David

Nope, it is a common issue, you are implying that every owner of a watch with such a movement is a gorilla. It’s simply a matter of material weakness…

David
David
2 years ago
Reply to  I Am Watcher

I’m not implying anything. If there is an implication being made, you are implying this always happens with SW200-1 movements — which we know if far from true. This watch engine has a generally positive reputation as a “workhorse” movement and that would not be the case if this type of damage was common. Many established watchmakers stake their reputations on this movement, and again, they would not do so if this degree of material weakness was inherent. This component may not be particularly robust, and therefore susceptible to excessive force, but I do not believe what we see above… Read more »

Greg Mohney
Greg Mohney
1 year ago
Reply to  David

It’s a workhorse… just don’t hand wind it! LOL.. you seem to go out of your way to defend this precious movement of yours, no doubt because you’ve sunk a lot of money. If an automatic watch features manual wind, it should include parts that can withstand manual winding, period. Have a nice holiday season.

Dryfly
Dryfly
17 days ago
Reply to  Greg Mohney

An occasional hand wind is far different than winding an automatic watch everyday. One of these is fine, the other…just not too bright. There are literally millions of these movements in circulation in watches costing up to around 2k+ or so. I would say that makes it very much a workhorse movement, whether you agree or not doesn’t change that fact. I think perhaps you and the guy winding his watches to death know very little about mechanical timepieces.

Eli
Eli
2 years ago

Hi, I am planning to buy Chase Durer conquest automatic and it has calibre sw200 cosc chronometer officially certified. But my worry is the issue with the teeth as mentioned in the article . Also is those parts are available and are they costly to repair ? Is it worth it to buy this watch ? Thanks .

I_Am_Watcher
Member
1 year ago
Reply to  calibercorner

Caliber Corner: I have found these ratchet wheels online for a few bucks and made of steel, would it impact the other gear wheels (the ones that engage the autowind rotor) if I replaced the original one, which seems to be made of cheese, for a steel one? It really is an easy fix. Thanks in advance for the reply!

Patrick Messina
Patrick Messina
2 years ago

Just purchased a FC auto (FC 303; Sellita Clone). I wind it when it’s wound out. It’s a dress watch and doesn’t get regular use. Winding is arduous and the initial rotations of the crown produce a helicopter effect of the movement at which point I back off. This problem should not exist; it’s a flaw! If an auto allows manual winding, it should function properly. I’m going to send it for repair… excellence is the essence of virtue (Aristotle).

paul King
paul King
1 year ago

I bought a #9mm Ocean One from Steinhart. After about 6 months the watch stopped working and would not hand wind. I returned it to Steinhart asking for its repair under warranty and also an explanation as to what happened. Watch was returned with no explanation and no response to emails other than it was repaired. I really wanted to know…no luck ..so after reading your comments about Sellita SW 200 issues I decided to sell it. Have since bought watches with the NH 35 A movt and absolutely no problems.

I Am Watcher
I Am Watcher
1 year ago
Reply to  paul King

I have no issues with mine so far, touch wood, 4 Glycine Combat with the SW 200-1 that are all over a year old, but I don’t really wear them a lot since I have way too many watches in my collection…, they’re not on a watch winder as it will cause wear and tear on the movement, I also avoid to handwind or when I have to I do it carefully and keep that to a minimum, usually I just give em a little shake and set the time whenever I wear one. I too find myself preferring Seiko… Read more »

Dryfly
Dryfly
17 days ago
Reply to  I Am Watcher

I just spent $1700 for a chronometer with this movement, I consider it a very good deal. It is my third of the same watch with a different dial…two more to go. I also own Grand Seikos with 9s movements, those would be a closer comparison, even if the GS would win everytime.

Bendell
Bendell
14 days ago
Reply to  Dryfly

Wow man, you should join the R0l3X club, they’re desperately looking for new members, but first send in pics of your DB5, Audi, Beamer, Submariner and Explorer… they’re on every watch community online that you can think of and excel in degrading people who own any watch that’s cheaper and not like theirs.

Dryfly
Dryfly
17 days ago
Reply to  paul King

And the time keeping ability of that Seiko 4r movement is far less than this one, as is the quality. You are comparing a super cheap movement to a very good movement. Long ago I gave away my watches with 4r movements, they’re bottom of the barrel movements, it’s hard to find a cheaper movement than a 4r that still actually works.

I_Am_Watcher
Member
14 days ago
Reply to  Dryfly

Basically you are saying that one of the world’s most used workhorse movements is complete rubbish, one that is being used in thousands if not millions of different watches all over the world and that billions of people are wearing and appreciating ‘as we speak’, and you gave all of yours away because of that (on a side note: personally I wouldn’t even give away a watch with a crap movement, I’d THROW it away), and at the same time you state that Sellita SW200-1 is up top with the best? You couldn’t be more wrong, on both matters, it… Read more »

trackback
Sellita Caliber SW220-1 Watch Movement | Caliber Corner
1 year ago

[…] this movement is based on the SW200-1, so you may want to limit the manual winding of the movement (see here). This could explain why Sellita also provides and official recommendation pertaining to the max […]

watchnuts
watchnuts
1 year ago

… so would manual winding be recommended? e.g., bc the action could harm the wheel?

trackback
Davosa Caliber DAV 3021 Watch Movement | Caliber Corner
1 year ago

[…] which still refers to their movement as being based on an SW200, despite there being a significant difference between the SW200 and SW200-1 (significant enough for Sellita to regard them as two different calibers). While there is no […]

Watchentusiastnor
Watchentusiastnor
1 year ago

I have a pro diver 18508 with the sw200, been wearing it daily for 7 years and it keeps time better than all of my other swiss watches. Its insane… for under 200 dollars.. dont understand why people hate invicta so much.. its the best watch i have ever had.. and still going strong.

I_Am_Watcher
Member
1 year ago

I recently came across a new Invicta Pro Diver 9937OB with SW200-1 for around $200, I couldn’t resist so I bought it. That’s another Sellita auto movement in the collection but for that money, who cares. I’ve been real careful with all of my SW200 watches, when I want to wear one I give it a simple shake, set the time and date, gently screw the crown back in and they’re good to go, no problems whatsoever. And it’s not my only Invicta either, I’m no watch snob, I just buy what I like, so I own a bunch of… Read more »

Skip Perkins
Skip Perkins
1 year ago

Invicta watches are not bad, but their styling does not appeal to everyone. Any watch with an SW200 in it for under $200 is a steal. I have bought watches for donor movements in the past, but others must be doing so as well, because they are not so easy to find this days.

Mood
Mood
1 year ago

I have 2 watches with this ratchet wheel issue for the SW200-1, a LUM-TEC 350M-4 & Zelos Abyss 3. What a pain this is! No issues with my Miyotas or ETA 2824-2.

I_Am_Watcher
Member
1 year ago
Reply to  Mood

You mean they are both damaged? How long did they last?
So far mine are holding up (touch wood), 3 Glycine Combat Sub and an Invicta 9937OB. I barely handwind them, just a couple of gentle shakes to get them going, set time and date, then some gentle turns before slowly screwing the crown back on. Must say I don’t wear em too often, but when I do it’s for days, sometimes an entire week.

Mood
Mood
1 year ago
Reply to  I Am Watcher

Yep, both watches less than 2yrs old. I did wind them to get them started but I never overwound them. No more than 20-25 at most. I opened the Lum-Tec case back and the ratchet wheel is shredded and it’s an sw200-1 not the sw200. It’s crazy that we shouldn’t hand wind them because they’re automatic, but do sellita hand wind manual winds movements have the same issue?

I_Am_Watcher
Member
1 year ago
Reply to  Mood

I agree, it’s crazy. I always avoided watches with the older SW200 movements because of this issue, then I thought they had fixed it with the newer SW200-1 but only after I bought a few I discovered they fixed … nothing. Can you imagine these movements are also used in Oris watches and other brands, some cost like 2000 Euro or more, brrr… Anywayz, now I’m avoiding to hand wind them, like I said: only a little shake and a VERY gentle 3 turns max to get them started. So far so good… I am not familiar with their other… Read more »

Mood
Mood
1 year ago
Reply to  I Am Watcher

Exactly! All the way up to older Tudor’s I thought, maybe they had ETA’s, but it’s crazy to pay $3k-$4k for a watch with this movement and it’s ease of failing. It has also caused rotor spin issue because I shake my Zelos Abyss 3 and it starts but, if I don’t move my arm a lot, it will die like it isn’t winding enough to keep power. The rest of my watches have Miyota’s in them, except 1 has an SW330 gmt movement and I have had no issue with it, so I wonder why they can’t fix the… Read more »

I_Am_Watcher
Member
1 year ago
Reply to  Mood

It seems like an easy fix to me, other manufacturers can avoid the problem, but we’ll probably never know.

Mood
Mood
1 year ago
Reply to  I Am Watcher

I saw a video about changing the ratchet wheel yourself and it seems easy and since my watches are past warranty, it wouldn’t nullify anything. A lot cheaper than sending them to get fixed. I even thought about buying ETA 2824s and switching them out.

I_Am_Watcher
Member
1 year ago
Reply to  Mood

Sounds like a plan.Keep in mind though: ETA 2824 apparently can suffer from the same issue, albeit less frequent than the Sellita SW200. Sellita SW200 is basically the same movement, they even produce or have produced for ETA, or so I’ve heard. I don’t know what I’d do if one of mine breaks, keep it as case candy or try have it fixed cheap, maybe do it myself, I’m experienced enough, I hope lol. I don’t really care for brands, I enjoy wearing a cheap Steeldive with NH35 mov’t from Ali just as much as I enjoy wearing my Glycine,… Read more »

Mood
Mood
1 year ago
Reply to  I Am Watcher

First world problems indeed LOL! I did read the ETA 2824-2 could have the same issue. I have a Steinhart Ocean One Vintage with an ETA 2824-2 in it and, so far no issues at all. I’m the same way! I only have 1 expensive watch, my Mido Ocean Star GMT. Save for one Seiko, the rest are microbrands. I love waht you can get spec wise from micros. I’m not experienced to swap the movements, but I know I can do the ratchet wheel. I really miss wearing my Abyss 3, 3000m water resistence, so I know I’m safe… Read more »

I_Am_Watcher
Member
1 year ago
Reply to  Mood

I’ve swapped movements before, you just need the right tools, clean working space and steady hands. As for San Martin: I’m sure they are made in the same factory as some of the other Ali brands, like Steeldive, only the San Martin costs 3 times as much. I bought one Steeldive because I was like ‘who cares let’s give it a try’ and I now own 4 =)

Adam
Adam
1 year ago
Reply to  Mood

Changing out the ratchet wheel isn’t very hard, but you also need to find & remove the little piece(s) of the wheel teeth that broke off or they can cause havoc. I have one watch with an SW200-1 myself, and I’ve been following the advice to avoid/minimize hand winding. Accuracy suffers a bit at low amplitude, but the watch keeps very good time after I’ve worn it for a few hours.

I_Am_Watcher
Member
1 year ago

Changing the ratchet wheel is done in 15 minutes, even an amateur like me can do it. https://www.youtube.com/watch?v=OakfEpAAmY8 The pricey and difficult bit is when gear teeth break off and end up in the movement, it would require a full service. I wonder if some watches are worth the cost, it would cost more than buying a new one, in my case: a couple of Glycine Combat Sub that (used to) cost like 250-300 on a good day, and a recently acquired Invicta Pro Diver 9937OB with SW200-1 that I could grab new for less than 200 bucks. There’s only… Read more »

Cecil Shiver
Cecil Shiver
3 months ago

As of 01/05/24, this problem still exists. I have a LIV w/ SW200-1 currently in the shop and had a Formex with the same problem. Formex actually sent back the ratchet wheel and the reducer wheel that displayed the very issue of teeth breaking off. Very frustrating this is still an issue.

IMG_0393
I_Am_Watcher
Member
3 months ago
Reply to  Cecil Shiver

Frustrating indeed… and it’s been like that for years. The SW200-1 was supposed to be an improvement over the SW200, but it’s not. Let’s hope they are working on a redesigned movement, again. Last year I had a Glycine Combat Sub with SW200-1 repaired under warranty, the reversing wheels were causing the rotor to spin when handwinding, and even when I was just screwing the crown back in, which puts extra force on the ratchet wheel and can cause damage too… apparently this is a less but still common issue with these movements too. I quit handwinding all SW200-1 and… Read more »

Cecil Shiver
Cecil Shiver
3 months ago
Reply to  I Am Watcher

That is correct. The hand winding is the only way I wind. I quit using watch winders as I have been told by several watch makers that watch winders cause undo wear on the watch. The example was “you don’t park your car in the driveway and leave it running because you are going drive it tomorrow. It’s unnecessary wear.”

I_Am_Watcher
Member
3 months ago
Reply to  Cecil Shiver

A watch is not a car… I wear a watch 24/7, if I had just one (no matter if it has a Sellita SW200-1 or not) it would be running day and night too, until it was up for service. Anyway, opinions about this are all over the place and you know what they say about opinions, they are like ar$eholes, everybody’s got one… Some of these ‘experts’ say it’s excessive wear to have it sit in a winder, other ‘experts’ say automatic movements are made to run, so they need to run frequently to prevent the oil from drying… Read more »

Dryfly
Dryfly
16 days ago
Reply to  Cecil Shiver

I have winders but use them different than most. I have far more watches than I can actually wear. Letting them sit dead for long periods is no good. Leaving them on a winder all the time is no good. All of my automatic watches spend about 3 days every 3-4 weeks on a winder. The winders are set to wind them fully, but just barely, 8 hours per day on a timer at the setting I use. I let them run in the winder for 3 days then switch them out for a new batch. This way they are… Read more »

Arcnhyt
Arcnhyt
2 months ago

My question is, does the issue persist in the SW210 (handwound).

Don
Don
17 days ago
Reply to  Arcnhyt

No, completelty different gearing system. The SW210 is manual wind and made for manually winding.

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