The Seiko 1400-0820 is a watch model based on the 1400 movement.
Parts List
| 190N53KN00 | crystal |
| 30N39NA1 | crown |
| 30N39NS1 | crown |
| 0G1600B01 | case back gasket - case back gasket |
| DZ0065B01 | case back gasket - button gasket |
Caliber 1400
Seiko 1400-0820 Watch Guide