The Seiko 2C21-0070 is a watch model based on the 2C21 movement.
Parts List
| 205N29KN00 | crystal |
| 205A02JN02 | crystal |
| 30N69NA1 | crown |
| 0H1400B01 | case back gasket - case back gasket |
| 0H2200B01 | case back gasket - rotating bezel gasket |
| DZ0065B01 | case back gasket - button gasket |
| ZL32A | band - leather band |
| ZL33A | band - leather band |
| 3BA125F1BNG | others - second hand |
| 08P91NBH | others - hour hand |
| 0351225 | others - winding stem |
| 83139430 | others - case ring |
| 2C21007025 | others - case |
| 2C210310XS19 | others - dial |
| 2C210320XG14 | others - dial |
| 2C2110 | others - machine code |
| 83316092 | others - bezel |
| A110AS | others - push pin |
| 08P91NBM | others - minute hand |
| 09P51NGH | others - hour hand |
| 08SC29NG | others - second hand |
| 09P51NGM | others - minute hand |
| 1AC060A1BNG | others - hour hand |
| 1AK057AABNB | others - hour hand |
| 2AC085A1BNG | others - minute hand |
| 2AK080AABNB | others - minute hand |
Caliber 2C21
