RL515-24H H2 4 Hands GMT Watch Movement RL 515 4 Hands GMT Swiss Ronda Powertech Quartz Movement is a 4 hand (24 hour (GMT)/hour/minute/seconds) with date at the 3 o'clock position. This gents movement is an 11 1/2 ligne movement, dimensions are 25.60 mm in diameter with a height of 3.00 mm, movement height H2. This is a 1 jewel movement, nickel plates, using a 371 battery with hand dimensions 160/120/70/20 (24 hour (GMT) hour/minute/sweep second). 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 H2 has an hour wheel with a height of 2.10 mm.