Miyota Caliber 82s0

Miyota Caliber 83S0

Miyota Caliber 82s0

Brand Miyota (Citizen)
Caliber Number 83S0
Movement Type Automatic
Diameter 11 1/2”’ (26mm)
Height 5.67mm
Jewels 21
Vibrations Per Hour
21,600 bph
Anti-Shock System Parashock
Power Reserve
60 hours
Winding Direction
Uni-directional (left)
Hacking? Yes
Lift Angle 49 degrees
Hand Sizes
(Needs confirmed)
Functions Hours, minutes, central seconds, open balance wheel at 7:00
Country of Manufacture Japan
Known Models Bulova Classic 96A218, Bulova Wilton 96A206 (Add yours in the comments below…)

The Miyota caliber 83S0 is a self-winding automatic movement. It has 21 jewels and is made in Japan.

At the time of this post, not much is known about the caliber 83S0. It is being listed as being the movement in some Bulova models, but it does not appear to have been officially announced by Miyota yet and is not listed on their official site. It’s possible that this movement is exclusive to Bulova for now.

What we do know is that it has a 60 hour power reserve and hacking seconds.

We will update 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 83S0.

 Examples of watches with this caliber:

Is the Miyota Caliber 83S0 any good? Share your opinions, experiences and watches below... Keep comments respectful and follow our community guidelines.

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I am 99% sure this movement is in my Bulova 98A227 but it does not have hacking seconds.


Are you sure the Bulova 98A227 has this movement? I think it has a 821A…


Is this only in Bulova? Does anyone know another brand? I’ve always been a fan of Zenith watches with the open balance wheel dial but don’t want to spend that much. I would get the 8S20 but really want the higher power reserve and hacking seconds! I will sub to this comment thread, if anyone knows a micro-brand with this movement please let me know!!


Can’t go wrong with a Zenith. They made movements for Rolex watches before!


Nice to see Miyota finally upgrading some of their movements to hack.