ISA 310.31 Quartz Movement is a 3 hand (hour/minute/sweep second) movement with date at the 3 o'clock position. This gents movement is an 10 1/2 ligne movement, dimensions are 23.30 mm in diameter with a height of 3.08 mm. This is a 0 jewel movement, using a 371 battery with hand dimensions 120/70/18 (hour/minute/sweep second).
