The Epson AL20 quartz watch movement is a two-hand (hour/minute) ladies’ caliber measuring 6¾ × 8 lignes, with dimensions of 15.30 × 17.80 mm and a thickness of 2.99 mm. It uses 110/65 hand sizes, contains 0 jewels, operates on a 377 battery, and uses stem part number 354-788 with a 0.90 mm (tap 10) thread.
