0S90 Miyota Quartz Watch Movement OS90 Miyota Quartz Watch Movement is a Multi-Function Chronograph movement. 3 hand movement (hour/minute/chrono sweep second) with 3 indicators at the 6, 9 and 12 o'clock positions. The Chrono center second hands is both a seconds chrono counter as well as a 1/100 second counter. The indicators show 24 hours @ 9 o'clock position, minutes @ 12 o'clock position and small seconds @ the 6 o'clock position.. Date @ 3 o'clock. 13 1/2 ligne movement 30.80 mm x 4.13 mm thick, overall height 5.95 mm. 0 jewels, uses 399 battery. Hand dimensions are 120/70/17/26 (h/m/s/indicators). Stem use part number 065-453 (tap 0.90 mm / tap 10).