The Seiko 2C20-5620 is a watch model based on the 2C20 movement.
Parts List
| BA3N65JN00 | crystal |
| 32N07NA5 | crown - crown |
| 0H1650B01 | case back gasket - case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| B5190G | band - metal band |
| B5190G-LKG | band - link |
| B5190G-BK4G | clasp - clasp |
| 06L31DGH | hand - hour hand |
| 06V29DGM | hand - minute hand |
| 2C2010 | others - machine code |
| 2C201300XG14 | others - dial |
| 2C20562025A | others - case |
| 82713810 | others - case ring |
| 81180229 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 81605099 | others - bracelet fixing pin |
Caliber 2C20
