1E20 20 Seiko Quartz Watch Movement
- 2 hand movement (hour/minute)
- 4 1/4 ligne movement
- Dimensions: 9.00 mm x 9.40 mm
- Thickness: 2.60 mm
- Overall movement height: 3.35 mm
- Hand dimensions: 90/45(h/m)
- 5 jewel movement
- 335 battery
- Stem part number 354-930, tap 0.60 mm (tap 13)
- Movement Interchange: Hattori Y520, Pulsar Y520, Lorus Y520, Seiko 1E50
