RL751 24 Hour RL 751 24 Hour Swiss Ronda Normtech Quartz Movement is a 2 hand (hour/minute) Swiss assembled. This ladies movement is an 5 1/2 x 6 3/4 ligne movement, dimensions are 13.00 mm x 15.15 mm with a height of 2.50 mm, movement height H1. This is a 4 jewel movement, gilt plates, using a 379 battery with hand dimensions 120/70 (hour/minute). The best way to determine your movement height is to measure the height of the hour wheel on the movement you are replacing. Movement height H1 has an hour wheel with a height of 0.95 mm. This movement is suited for a 24 Hour dial, 1 full turn of the hands reads 24 hours, where a normal watch reads 12 hours.