The Seiko 1F20-0BS0 is a watch model based on the 1F20 movement.
Parts List
| RE7A72SN02 | crystal - crystal (sapphire) |
| 6K35C8SNW1 | crown - crown (3h) |
| 0F180BAD2 | case back gasket - case back gasket |
| D292AB | band - band |
| DFK9AW | band - band |
| D292AB-LK00 | band - link |
| DFK9AW-BK00 | clasp - clasp |
| D292AB-BK00 | clasp - clasp |
| D292AB-BKLK-12H | clasp - parts for buckle/clasp |
| D292AB-BKLK-6H | clasp - parts for buckle/clasp |
| 2CA042A2BNS | others - minute hand |
| 1CA032A2BNS | others - hour hand |
| A100BS | others - push pin (for mb) |
| A110BS | others - push pin (for mb) |
| 1F200CC0XS13 | others - dial |
| 1F205 | others - machine code |
| D292AB-BKPN | others - pin for buckle/clasp |
| D292AB-BKPP | others - spring bar for buckle/clasp |
| D292AB-EP00 | others - endpiece |
| 1F200BS0 | others - case back |
| 1F200BS002A | others - case |
| 0351807 | others - winding stem |
| AC004BAD1 | others - crown and stem gasket |
| 82837660 | others - case ring |
| 1F200BS001A | others - case |
| D292AB-LKPN | others - pin for link |
Caliber 1F20
