The Seiko 2C20-5610 is a watch model based on the 2C20 movement.
Parts List
| SAEN15JN00 | crystal |
| SAEN15JN | crystal |
| 30N79NA5 | crown |
| 0H1700B01 | case back gasket - bezel gasket |
| 0H1700B0 | case back gasket |
| DZ0065B0 | case back gasket |
| B5189G | band - metal band |
| B5189G-BK3G | clasp - clasp |
| 06R39DGM | hand - minute hand |
| 1DE040LABDG | others - hour hand |
| 06R11DGH | others - hour hand |
| 2C2010 | others - machine code |
| 2C201530XB15 | others - dial |
| 2C20561025A | others - case |
| 82713910 | others - case ring |
| B5189G-EP2 | others - endpiece |
| 06R11DGM | others - minute hand |
Caliber 2C20
