ETA 803-161 ETA 803.161 Quartz Watch Movement is a 4 hand movement (24 hour/hour/minute/seconds) with date @ 3 o'clock position. This movement is a ladies round movement 8 3/4 ligne (19.40 mm) with a height of 3.65 mm, movement height H4. Plates are black colour, 0 jewels, uses 377 battery. Hand dimensions are 160/120/70/20 (24HR/hour/minute/seconds). The 24 hour hand has a dual function, either 24 hour or for the purpose of recording a second time zone. 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 H4 has an hour wheel with a height of 2.26 mm.