The Seiko 1400-0020 is a watch model based on the 1400 movement.
Parts List
| 160R01KNG0 | crystal |
| 160R01KNS0 | crystal |
| 35N71NS5 | crown |
| 35N57NS1 | crown |
| 35N57NA1 | crown - chrom |
| 35N71NA6 | crown |
| 0G1600B01 | case back gasket - case back gasket |
| DZ0065B01 | case back gasket - button gasket |
Caliber 1400
