Miyota Caliber 821A
|Vibrations Per Hour
|Shock System||(add to comments below)|
|Diameter||11 1/2”’ (26mm)|
|Functions||Hours, minutes, central seconds, date calendar|
|Country of Manufacture||Japan|
||(add your watch in the comments below)|
Miyota claims that the caliber 821A offers accuracy of -20 ~ +40 seconds per day.
The photos are from a Detroit Watch Company “Pride of Detroit” watch.