The Seiko 2620-5660 is a watch model based on the 2620 movement.
Parts List
| SAAN79LN00 | crystal |
| 35N41NA5 | crown |
| 35NA5NA1 | crown |
| DH0070B01 | case back gasket - crown and stem gasket |
| 012650B01 | case back gasket - case back gasket |
Caliber 2620
Seiko 2620-5660 Watch Guide