FS13 Miyota Quartz Watch Movement is a chronograph caliber featuring three central hands (hour, minute, and seconds), three sub-indicators, and a suspended date window at the 4 o’clock position. This 0-jewel, 10½ ligne round movement measures 23.70 mm x 22.00 mm with a movement thickness of 4.13 mm. It is the high-hand-execution version of the Miyota FS10 and has an overall height of 7.29 mm. The subdials include small seconds at 6 o’clock, a 60-minute counter at 9 o’clock, and a 24-hour indicator at 12 o’clock. Pushers are slanted for round-case designs. Hand hole sizes are 120/70/17/26 (hour/minute/seconds/indicators). The movement uses a 377 battery, and the correct stem is part number 065-549 with a 0.90 mm tap (tap 10).
