The Seiko 2C20-6270 is a watch model based on the 2C20 movement.
Parts List
| ESXN79JN01 | crystal |
| ESXN79JN | crystal |
| 32N09NA1 | crown |
| 32N09NS1 | crown |
| 0F140NA11 | case back gasket |
| DH0100B0 | case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| 0F140NA1 | case back gasket |
| ZEA01S | band - leather band |
| 1DA035A3BNS | hand - hour hand |
| 1DA037A3BNS | hand - hour hand |
| 05R01DSM | others - minute hand |
| 2C2010 | others - machine code |
| 2C202700XN13 | others - dial |
| 2C2062702E | others - case |
| T090AS | others - push pin |
Caliber 2C20
