The Seiko 2C21-5200 is a watch model based on the 2C21 movement.
Parts List
| RE9N79JE10 | crystal |
| 32N25NA1 | crown - crown |
| 0G1890B01 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| B5211G | band - metal band |
| B5211G-BK5G | clasp - clasp |
| 05P11DGH | hand - hour hand |
| 05P11DGM | hand - minute hand |
| 3BA075F1BNG | others - second hand |
| 2C210570XG24 | others - dial |
| 2C2110 | others - machine code |
| 2C21520025 | others - case |
| 82714470 | others - case ring |
| T080BS | others - push pin |
| 07SC04NG | others - second hand |
Caliber 2C21
