The ETA E01-001 H1 (E01.001 H1) quartz watch movement is a ladies’ 4⅞ ligne movement with an 11.00 mm diameter and a thickness of 2.50 mm. It features gold-colored plates, contains five jewels, and operates using a 317 battery. The hand sizes are 100/50 (hour/minute). This movement has an H1 height configuration, identified by an hour wheel height of 0.77 mm, which should be matched by measuring the hour wheel height of the movement being replaced.
