The Seiko 2C20-6120 is a watch model based on the 2C20 movement.
Parts List
| REBN99JE10 | crystal |
| 35NV3NA1 | crown |
| 0G1940B02 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| Z5137C | band - metal band |
| Z5137G | band - metal band |
| Z5137G-BK5G | clasp - clasp |
| Z5137C-BK5S | clasp - clasp |
| 07R03DHH | hand - hour hand |
| 07R03DHM | hand - minute hand |
| 2C2010 | others - machine code |
| 2C202410XG14 | others - dial |
| 2C202410XN14 | others - dial |
| 2C20612025 | others - case |
| 2C2061202E | others - case |
| T080BS | others - push pin |
| 1CA045A1BNG | others - hour hand |
| 07R03DGM | others - minute hand |
| 2CA065A1BDG | others - minute hand |
Caliber 2C20
