GL15 Miyota Quartz Watch Movement  is a 2 hand movement with date calendar at the 6 o'clock position. Movement is a 6 3/4 ligne x 8 ligne, 16.15 mm x 18.2 0mm with a thickness of 2.71 mm, overall height 3.88 mm. Hand dimensions are 120/70 (h/m), uses 364 battery. Stem use part number 065-547 (tap 0.90 mm / tap 10).