The Seiko 2C20-5570 is a watch model based on the 2C20 movement.
Parts List
| REAN59JN00 | crystal |
| 32N09NA1 | crown |
| 0H1700B01 | case back gasket - bezel gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| B5191C | band - metal band |
| B5191G | band - metal band |
| B5191G-BK3G | clasp - clasp |
| B5191C-BK3G | clasp - clasp |
| 06L27DGH | hand - hour hand |
| 06L19DGH | others - hour hand |
| 06V27DGM | others - minute hand |
| B5191C-EP2 | others - endpiece |
| B5191G-EP2 | others - endpiece |
| 05L05DHH | others - hour hand |
| 1CA037A3BNG | others - hour hand |
| 2C2010 | others - machine code |
| 2C201210XG14 | others - dial |
| 2C201220XB14 | others - dial |
| 2C201390XN14 | others - dial |
| 2C20557025 | others - case |
| 2C2055702H | others - case |
| 82714050 | others - case ring |
| 05V01DGM | others - minute hand |
| 2EA052A3BDG | others - minute hand |
Caliber 2C20













