GL20 Miyota Quartz Watch Movement GL20 Miyota Quartz Watch Movement is a 2 hand movement, no sweep, no calendar. Movement dimension is 6 3/4 ligne x 8 ligne, 16.15 mm x 18.20 mm with a thickness of 2.28 mm, overall thickness 3.37 mm. Hand dimensions are 120/70 (h/m). 0 jewels. Uses 364 battery. Stem use part number 065-541 (tap 0.90 mm / tap 10).