Y520 Y520 Hattori, Pulsar, Lorus Quartz watch movement with 2 hands (hour and minute). This movement is a 4 3/4 ligne movement with the dimensions 11.50 mm x 10.00 mm with a movement height of 3.20 mm. This is a 1 jewel movement, uses a 317 battery, hand dimensions are 90/45 (h/m).