The Seiko 2C20-5209 is a watch model based on the 2C20 movement.
Parts List
| ESKN81HE10 | crystal |
| 32N09NA1 | crown |
| 0E150NA1S | case back gasket - case back gasket |
| 0H1500B01 | case back gasket - case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| B5104G | band - band |
| B5104C | band - band |
| B5104C-LKG | band - link |
| B5104G-LKG | band - link |
| B5104G-PB1 | clasp - parts for buckle/clasp |
| B5104C-BK4G | clasp - clasp |
| B5104C-PB1 | clasp - parts for buckle/clasp |
| B5104G-BK4G | clasp - clasp |
| 05L01DHH | hand - hour hand |
| 05L03CGH | others - hour hand |
| 05V09CGM | others - minute hand |
| 2EA050A3BCA | others - minute hand |
| 05V03DGM | others - minute hand |
| 82702090 | others - case ring |
| 2C200450XN14 | others - dial |
| 2C200460XG18 | others - dial |
| 2C2010 | others - machine code |
| 2C20520925 | others - case |
| 2C2052092E | others - case |
| 81181459 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 81604279 | others - bracelet fixing pin |
| 05L01DGH | others - hour hand |
| 1CA032A3BAA | others - hour hand |
Caliber 2C20
