Miyota Caliber 82s0

Miyota Caliber 82S0

Miyota Caliber 82s0

ManufacturerMiyota (Citizen)
Caliber Number82S0
Movement TypeAutomatic, self-winding mechanical
Lignes11.5”’
Diameter
26mm
Height5.67mm
Jewels21
Vibrations Per Hour
21,600 bph
Lift Angle49 degrees
Power Reserve
42+ hours
Rotor Winding Direction
Uni-directional (left)
Hand-Windable?
Yes
Manual Winding Direction
Clockwise
Anti-Shock SystemParashock
Stem065-212
Plastic Movement Holder500-710
Dial Screws929-610
Hand Count
3
Hand Sizes
1.52mm / 1.0mm / 0.17mm
FunctionsCentral hours; central minutes; central sweeping seconds; skeletonized open balance wheel at 7:00
Hacking Seconds?Yes and No (see below)
Country of ManufactureJapan
Known ModelsAdvisor Ascent Mr. Skull, Orodeus OD-1 Time Odyssey, Bulova Aerojet, Nixon Spectra, TSAR Bomba (Add yours in the comments below…)

The Miyota caliber 82S0 (not 8250 or 82SO) is from the 8215/821A family but offers a skeletonized dial design. There is also a gilt (gold tone) version available.

Accuracy:

Miyota claims that the caliber 82S0 offers accuracy of -20 ~ +40 seconds per day. This is measured within 10-60 minutes from a full wind via the crown. To fully wind the movement, turn the crown 40 times. The winding direction of the rotor is counterclockwise.

82S0 vs 82S5/82S7:

The caliber 82S0 has the following layout:

  • Central seconds
  • Open balance (skeletonized) at 7:00

The caliber 82S5 and 82S7 are based on the same movement, but the caliber 82S5 has small seconds instead of central seconds. The caliber 82S7 has small seconds instead of central seconds and also a 24 hour (can also be day/night) indicator at 9:00.

There is also an 82S6, but apparently it is only found in the Bulova A-15 flieger watch (ref: 96A245, released on 1/24/20). Despite this series of movements having an open balance (skeletonized) design, the Bulova has a solid dial with no view into the movement from the front of the watch.

Upgraded Hacking Seconds:

As of mid-2019, Miyota seems to have listened to the desires of the watch community and found a way to integrate a hacking mechanism (stop seconds device) into the 82S0. This means that the seconds hand will stop when the crown is pulled out. We have reached out to Miyota and will update this listing as soon as we have a reply with more information as to when they made this change. Keep in mind that although there are 82S0 movements popping up on the market, the current majority of 82S0 powered watches will be non-hacking. If you watch doesn’t hack, it doesn’t mean it’s broken.

Replacement Prices:

Replacement prices for the cal. 82S0 were found online in the range of $32 to $55 USD.

If you need a replacement movement, try here.


Dial Side View:

Miyota Cal 82s0 8s20 Dial Side

Examples of watches with this movement:

Below is an Orodeus watch powered by an 82S0 with a custom gold tone rotor (source).

Miyota 82s0 Orodeus Custom Rotor Watch

Additional Resources:

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Community Reviews & Questions:

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For off topic or general watch questions, post in the Caliber Corner Forum.

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28 Comments
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Miyota Caliber 82S5 Watch Movement | CaliberCorner.com
6 years ago

[…] There is also a caliber 82S0 variation which is the same as the 82S5 but with central seconds instead of small […]

Gavin
Gavin
5 years ago

It appears that the 8250 variant is used in the Bulova 96A189, built exclusively for Macy’s.

Chuckletech
Chuckletech
5 years ago

Bulova 98A187 B7 share the same 82S0. They shift the movement by 1 hour so that the crown is at 2 o’clock and the open heart hit the middle of 6 o’clock.

trackback
Miyota Caliber 82S7 Watch Movement | CaliberCorner.com
5 years ago

[…] more “minimalist” version of the caliber 82S7 is the caliber 82S0. The 82S0 is basically the same movement but has central seconds instead of the small seconds […]

trackback
Reloj Tacs Automatic Vintage Lens II Revisión – Relójate
5 years ago

[…] el centro de la esfera se encuentra el movimiento automático Miyota 82S0 con esqueleto de dimensiones de 26 mm de ancho y 5,67 mm de alto, tiene una reserva de energía de […]

Charles Kron
Charles Kron
5 years ago

Used in all Caliper Timepieces watches.

Fernando
Fernando
4 years ago

The Bulovas 96A199 98A187 and 97A136 all have the Miyota 82S0. On the Miyota movement specs page it mentions that the the crown movement for hand winding is clockwise, which should not be confused with the rotor weight which is wound counterclockwise when facing the dial, as specified on this page.

Frank
Frank
4 years ago

Used in Ingersoll “The Linden” Automatic, although not mentioned.

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Miyota Caliber 83S0 Watch Movement | CaliberCorner.com
4 years ago

[…] this caliber listing as more information becomes confirmed. In the meantime, please check out the caliber 82S0 here and comment below if you found a watch powered by the […]

Christopher Schuster
Christopher Schuster
4 years ago

Used in the Tempus Faire Comrade Skeleton

Peter
Peter
4 years ago

Used also in Festina F20490 watches. But this movement in Festina is with hacking function.

Owen
Owen
4 years ago

My watch, a Emporio Armani Meccanico (AR600008)uses a modified version of this movement (some metal has been removed to show more of the gears and it has a different rotor.)

Titus
Titus
4 years ago

I have a Bulova 97A136 with a Miyota 82S0 caliber. I was able to regulate the movement using an iOS app called Watch Tuner Timegrapher. Straight from the factory it had an accuracy of +20s/day. Now it’s +2s after more than 70 days! I know, this is UNBELIEVABLE. And they say you should pay thousands of dollars for a -4s/+6s per day COSC-certified watch. +2s in total in 70 days is 99,99996% accuracy. Unbelievable, I know.

Paulo henrique guedes
Paulo henrique guedes
10 months ago
Reply to  Titus

O problema amigo que vc paga milhares de dólares mais o movimento é outro tem.ouro no meio.da coisa platina totalmente diferente o movimento é desenhado porisso é caro. É como se fala bmw não é igual a gol a voyage.

Ken
Ken
4 years ago

My new Xeric Evergraph (image attached) has this quality 82S0 decorated movement. Wish the case back had full exhibition glass to see it all, but can see the essentials. The front of watch also has some cutaway to view part of movement and balance wheel. Good accuracy movement and decent reserve. Winds very smooth too. The crown is at an odd 8 o’clock position, as the watch design needed the balance wheel visible at top center of watch.

IMG_20200424_182351_01.jpg
IMG_20200424_182359_01.jpg
Pavel
Pavel
3 years ago

I have a Xeric Trappist-1 Automatic NASA Edition and that comes with this movement. Seems to be quite accurate. I like the watch. The only thing I noticed was the second hand seems to be a bit jumpy. Not quite a buttery smooth and consistent automatic watch second-hand movement. I reached out to Xeric and they told me that was normal because the second hand is on the heavier side in this watch. Timekeeping isn’t affected and you only really notice it if you’re looking close.

Denis
Denis
3 years ago

Luch big one hand watch 77490579

Car313
Car313
3 years ago

Fascinating. The Miyota movements are becoming ubiquitous. These movements are now found in the Timex NAVI XL watches and possibly the Marlin collection. The 9150 are so sought after in many watch companies that opt to include a proven engine as opposed to making a pricey inhouse movement. You can find them in American, European watch houses and some have made their way into a few Russian watches. Way to go Citizen! Hopefully Citizen / Miyota can master developing a Valjoux 7750 like movement to power the Moon watch as oppose to using a quartz powered engine. I like this… Read more »

Car313
Car313
3 years ago
Reply to  Car313

I was referring to the latest military hackable watch offered by Bulova but powered by a Miyota movement.

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The 9 Best Field Watches Under $200 – Chronometer Check
1 year ago

[…] movement inside of the Hack is the Japanese Miyota 82S0 with 21 jewels, and a 42-hour power reserve, basic, and not the most accurate, but rather reliable, […]

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Miyota Watch Movements (List) Watch Movement | Caliber Corner
1 year ago

[…] 82S0 […]

Jean du Moulin
Jean du Moulin
1 year ago

Dear Mr. Rooshabh Patel, you have indeed a fine Miyota caliber 8250 ticking the time away inside your trusty watch. Congratulations Sir.

Ivo
Ivo
11 months ago

How good or bad is this? I see this in some relatively cheap automatic watches….

Karim
Karim
10 months ago

Prix

Johnny
Johnny
9 months ago

Recently purchased Bulova Surveyor. Has 82S0 Miyota movement. Gained 3 seconds in 24 hours, next day lost 6. Seems to loose or gain if laid flat or on its edge when not worn. Within spec. As accurate as more expensive movements.

granahe watches
granahe watches
6 months ago

Tacs Time Ruler

R. Doug
R. Doug
20 days ago

The Bulova Mil-Ships-W-2181 model 98A266 (as opposed to the limited edition, upscale 98A265 variant) uses the 82S0 movement. So far, wearing the watch over the past three weeks and tracking the accuracy for the past 146 hours, the watch gains just a fraction under 6.5 seconds per day.

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