1F20 40 Seiko Watch Movement
- 2 hand movement (hour/minute)
- 4 1/2 x 5 1/2 ligne movement
- Dimensions: 10.00 mm x 12.50 mm
- Thickness: 1.80 mm
- Overall movement height: 3.15 mm
- Hand dimensions: 90/45(h/m)
- 337 battery
- Stem is supplied with the movement
- Stem is a part number 351-807, this stem is a tap 0.60 mm (tap 13)
