Seiko Epson Y120G

Small two-hand analog quartz movement with central hours and minutes and no calendar. Outside dimensions are 15.30 × 18.20 mm; casing dimensions are 15.30 × 17.80 mm, with a 2.99 mm total movement height. The exact Y120G specification recommends SR626SW and gives approximately four years of battery life and ±20 seconds per month. This is distinct from the currently listed Y120F specification.