The Seiko 2C20-6220 is a watch model based on the 2C20 movement.
Parts List
| RECN33JN00 | crystal - crystal (inorganic) |
| 30N77NA1 | crown |
| 0F170NA11 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| Z5144C | band - metal band |
| Z5144C-LKG | band - link |
| Z5144G | band - metal band |
| Z5144G-LKG | band - link |
| Z5144G-PB1 | clasp - parts for buckle/clasp |
| Z5144G-BK4G | clasp - clasp |
| Z5144C-PB1 | clasp - parts for buckle/clasp |
| Z5144C-BK4S | clasp - clasp |
| 06R13D3H | hand - hour hand |
| 06R13D3M | hand - minute hand |
| 2DA060A1BDG | others - minute hand |
| 2C2010 | others - machine code |
| 2C202600XG14 | others - dial |
| 2C202610XS19 | others - dial |
| 2C20622025 | others - case |
| 2C2062202H | others - case |
| 81606439 | others - bracelet fixing pin |
| 81180229 | others - bracelet fixing pipe |
| 81607079 | others - bracelet fixing pin |
| 06R13DGM | others - minute hand |
| 2DA057A1BNG | others - minute hand |
| 1DA040A1BNG | others - hour hand |
| 06R25NGM | others - minute hand |
| 06R13NGH | others - hour hand |
Caliber 2C20
