The Miyota 8215 Automatic Watch Movement is a gents’ mechanical automatic caliber measuring 11½ ligne, with a diameter of 26.00 mm and a thickness of 5.67 mm. This 21-jewel movement operates at 21,600 beats per hour and features three hands—hour, minute, and second—along with a date display at the 3 o’clock position. The hand dimensions are 150/100/17. It uses stem part number 065-212 and is a direct replacement for the Citizen 8210.