The Seiko 2C20-5389 is a watch model based on the 2C20 movement.
Parts List
| SADN69HN00 | crystal |
| SADN69JN00 | crystal - crystal |
| 32N09NA1 | crown |
| 0H1400B01 | case back gasket - case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| Z5083G | band - metal band |
| Z5083G-BK3G | clasp - clasp |
| 06V09DHM | hand - minute hand |
| 06L21DGH | others - hour hand |
| 2C200810XG24 | others - dial |
| 2C2010 | others - machine code |
| 2C20538925 | others - case |
| 82707570 | others - case ring |
| T070AS | others - push pin |
Caliber 2C20
