Ronda Caliber R150

Ronda Caliber R150

Ronda Caliber R150 Automatic

ManufacturerRonda
Caliber NumberR150
TypeAutomatic, self-winding
Lignes11.5”’
Diameter
26mm
Casing Diameter
25.6mm
Height
4.4mm thick
Jewels
25
Vibrations Per Hour
28,800 bph/vph (4Hz)
Lift Angle
51 degrees
Amplitude
Min: 200 / Max: 315 degrees
Hacking?
Yes
Hand-Windable?
Yes
Rotor Winding Direction
Bi-directional
Rotor Type
Ball Bearing
Anti-Shock Protection
Incabloc
Mainspring
Nivaflex
Hand Count
3
FunctionsCentral hours, central minutes, central sweeping seconds, quickset date at 3:00
Country of ManufactureSwitzerland
Known Models
(Add your watch to the comments below…)

The Ronda caliber R150 is a Swiss made automatic movement with 25 jewels. This movement was announced at Baselworld in 2016. As a manufacturer of mechanical watch movements back in the 1960s, the R150 is not Ronda’s first mechanical caliber.

Ronda Mechanical Movements:

This movement is part of Ronda’s “Mecano 100” aka Series 100 line of movements. When the R150 was launched in 2016, there was talk of a full lineup of Ronda mechanical movements to come, however, at the time of this post in 2021, the R150 is still the only movement available in this series, and the only mechanical movement produced by Ronda.

In Ronda’s own words:

“The Mechanicals product range heralds the return of the Ronda Brand’s mechanical watch movements. The recently launched automatic movement R150 operates with a winding mechanism on both sides by means of a ball bearing. – “Ronda Mecano”, available exclusively as a Swiss Made line, is intended for premium timepieces.” –source

Ronda R150 VS ETA 2824-2:

Despite some misinformation online, the R150 is not an ETA 2824-2 clone. However, the R150 does share similar dimensions with the 2824-2: both are 25.6mm in diameter with roughly the same height (4.6mm for the ETA, 4.4mm for the Ronda).

Accuracy:

According to official documentation by Ronda, the calibre R150 is claimed to have an average accuracy rating of +/- 12 seconds per day with a maximum deviation of rate up to 30 seconds per day. Isochronism after 24 hours with +/-20 seconds per day. Ronda tests each movement in two positions at the factory. The R150 is equipped with an index system regulator for fine-tuning accuracy.

Ronda Caliber R150 Regulator

Power Reserve:

The power reserve of the R150 is about 40 hours when the movement is fully wound. According to Ronda, winding the movement by hand will reach full power reserve after ~27 winds. You cannot overwind the movement. In order to maintain constant running of the movement, Ronda recommends wearing the watch for 12 hours per day. When wearing the watch for fewer hours than 12, you may need to hand wind the movement a few times.

Swissness:

Ronda has a headquarters in Lausen, Swizerland as well as in Hong Kong. The Ronda R150 is labelled as a Swiss Made movement, but with the smoke and mirrors of the watch industry, it is not unreasonable to question how “Swiss” any movement actually is. For example, were all of the components made in Switzerland or only some of the parts plus assembly?

Replacement Prices:

At the time of this caliber listing, replacement prices for the R150 were found online in the range of $159.00 USD to $169.00 USD.

Video:

Additional Resources:


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L a r r y
L a r r y
1 year ago

I remember when this came out 5 years ago and it was all the hype. The blogs were all talking like this was going to take over the 2824 and sw200. Now you can barely find any watches with this movement.

Johann
Johann
1 year ago

This movement is in the new Aragon DF-42.

Michael
Michael
7 days ago
Reply to  Caliber Corner

It’s also on the new Aragon meteorite sea charger.

Dave
Dave
1 year ago

Deep Blue just dropped two new watches with this movement.

Watch Geek
Watch Geek
1 year ago

all mechanical NOVE watches come with Ronda R150 as well

Shawn
Shawn
1 year ago

Maen uses this movement

ben
ben
11 months ago

Lum Tec uses this movement in the Combat B model.

Phooz
Phooz
11 months ago

Lilienthal Berlin model, ZEITGEIST AUTOMATIK uses this movement.

trackback
Deep Blue Rally Diver 1000 Automatic with Ronda cal. R150 | WWR
11 months ago

[…] The R150 offers about 40 hours of power reserve (although Ronda says that you will need to wear the watch at least 12 hours per day daily for the mainspring not to gradually lose the energy that it stores). It is fairly good at keeping time, too, with average isochronism after 24 hours of +/- 20 seconds per day [2]. […]

Rod
Rod
10 months ago

The new Maen Manhattan has this movement in it.

PpaBear
PpaBear
9 months ago

Tusenö swedish micro uses this movement in their Shellback diver model. Was cuoriuo if the Ronda have stated names for the elabore and other higher movement versions and if how do they compare in accuracy.

Curtis Hardy
Curtis Hardy
9 months ago

I believe the Dufrane Deep Eddy uses this movement.

Gee Mood
Gee Mood
8 months ago
Reply to  Curtis Hardy

Yes. I was given the option between the SW200 & the Ronda R150 in my Dufrane Deep Eddy. I chose the R150. So far, excellent movement.

Jmag
Jmag
7 days ago
Reply to  Gee Mood

I personally think the SW200 is the best Swiss auto if price is the first criteria. I just got the R150 and it is running well. But, I have many SW200’s hat I’ve had for over a decade, and they are flawless as far as durability and accuracy. I honestly don’t see more expensive Swiss movements being any better, until you get into Patek.

trackback
Maen Hudson MK III - SaFonaGastroCrono
9 months ago

[…] más técnico, el Hudson está impulsado por el movimiento automático de cuerda bidireccional Ronda R-150, un casi recién llegado al mundo de los movimientos automáticos de fabricación suiza. Con una […]

David
David
9 months ago

Borealis also uses the R150 in their Icarus pilot watch.

trackback
Ronda Movement List Watch Movement | Caliber Corner
5 months ago

[…] R150 – […]

Pastor B
Pastor B
5 months ago

Mine runs +4 seconds a day. Not too bad!

Mainak Mandal
Mainak Mandal
1 month ago
Reply to  Pastor B

My orient f6t22 runs +1.5 sec a day, LOL!

Jmag
Jmag
7 days ago
Reply to  Pastor B

My r150 is -4 seconds per day.

Earl Camembert
Earl Camembert
5 months ago

Invicta Reserve Men’s Watch – 52mm, Brown, Steel (37560)uses the R150.

thumbnail_IMG_2175.jpg
Kantivut Charoenwong
Kantivut Charoenwong
5 months ago

I have this movement on one of my Reserve Line Invicta watch Grand Diver Series

8ECE45EC-3CA8-4165-A5B1-1A1DEB3841C6.jpeg
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Pincus
Pincus
5 months ago

Zeno Basel Watch appears to use this caliber in his retro diver models.

zeno orange diver.jpg
James Bonanno
James Bonanno
4 months ago

I recently purchased a Lillienthal Berlin automatic watch that is utilizing the Ronda caliber R150 movement. I have tested it in a few positions and I am quite happy with the result. After all is said and done it appears that I gain around 4 seconds a day.
Jim

paul
paul
4 months ago

i have it in one of my watches, when I screw the crown in it makes a clicking noise like its grinding something or coiling a spring. is this normal

Jean du Moulin
Jean du Moulin
2 months ago
Reply to  paul

@paul, this is 100% normal, no worries!

Jean du Moulin
Jean du Moulin
27 days ago
Reply to  paul

It’s totaly and utterly normal, because it’s the main spring that glides through – over the notches which are on the barrel’s inside – so it can’t be overwound by it’s owners. 🙂 😉

Phil
Phil
2 months ago

Aragon 3D Dragon automatic uses this movement.

Jd
Jd
2 months ago

Any premium watchd sure it like they state its intended for? Looks like micros out of full swing in h.k. only? And Invicta junk.

ARIZMAN2
ARIZMAN2
1 month ago
Reply to  Jd

INVICTA JUNK? SEEMS ODD INVICTA WOULD USE THIS MOVEMENT AND THE WATCH ITSELF IS “JUNK”?

trackback
Wasson Automatic Field Watch Review – The Truth About Watches
2 months ago

[…] $945 buys you Ronda’s Mecano R150 movement – the storied Swiss manufacturer’s first mechanical movement after a 30-year hiatus. I […]

Roberto O.
Roberto O.
1 month ago

My Deep Blue Ocean Diver uses this movement and I have no complaints as far as accuracy or dependability. I use it to swim, play tennis and run around and no issues .

Deepdiverred.jpg
Woody
Woody
21 days ago

Military Watch Company (MWC) has a 500m dive watch with the R150. I’m a satisfied owner.

PXL_20230113_003845301.jpg
PXL_20230113_233820633.PORTRAIT.jpg
PXL_20230112_234322971.jpg
Robert
Robert
10 days ago

This movement works very well in LUM-TEC B52 AUTO!

Michael
Michael
7 days ago

Is there any second hands compatible with the Ronda r150?

Jmag
Jmag
7 days ago

I was reluctant to get a watch with this R150, but Aragon had a watch with titanium, tungsten and meteorite with this movement incased. I couldn’t pass it up! So, I’ve been timing it, and it is just a bit less than -4 seconds per day. This is very good! Since the watch is new, I don’t have long term info, but will come back in a couple months to add positive or negative.

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