RL 509 Height 2 RL 509 Height 2 Ronda Powertech Quartz Movement is a 3 hand (hour/minute/seconds) Swiss assembled with LARGE DATEat 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 3.00 mm, movement height H2. This is a 1 jewel movement, nickel plates, using a 371 battery with hand dimensions 120/70/20 (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.