The Seiko 2C20-5910 is a watch model based on the 2C20 movement.
Parts List
| REBN31JN00 | crystal - crystal (inorganic) |
| 30N77NA1 | crown |
| 30ND7DA6 | crown - crown |
| 0F180NA11 | case back gasket - case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| MK06D | band - leather band |
| WKJ04G | band - leather band |
| WKJ05G | band - leather band |
| WKJ21G | band - leather band |
| MK18C | band - band |
| 07L31DGH | hand - hour hand |
| 07V21DGM | hand - minute hand |
| 06L15DGH | others - hour hand |
| 06V07DGM | others - minute hand |
| 06L37DHH | others - hour hand |
| 06V33DGM | others - minute hand |
| 06L23DHH | others - hour hand |
| 82718990 | others - case ring |
| 2C2059102H | others - case |
| 2C2059102HA | others - case |
| 2C2059102HB | others - case |
| 2C205910 | others - case back |
| 2C20591025 | others - case |
| 2C2010 | others - machine code |
| 2C202130XS14 | others - dial |
| 2C203310XB | others - dial |
| 2C203310XB1Z | others - dial |
| 2C203340XG1Z | others - dial |
| A140AS | others - push pin |
| 1CE040L0BDG | others - hour hand |
Caliber 2C20
