The Seiko 3421-5160 is a watch model based on the 3421 movement.
Parts List
| SA4N60GN00 | crystal |
| 35M82NA1 | crown - crown |
| 35M82NS1 | crown - crown |
| 0A2800N | case back gasket |
Caliber 3421
Seiko 3421-5160 Watch Guide
The Seiko 3421-5160 is a watch model based on the 3421 movement.
| SA4N60GN00 | crystal |
| 35M82NA1 | crown - crown |
| 35M82NS1 | crown - crown |
| 0A2800N | case back gasket |