The Seiko 1F20-6H00 is a watch model based on the 1F20 movement.
Parts List
| K02A11SC0A | crystal - crystal |
| 6M25Z7SNSA | crown - crown |
| 0F170BA1S | case back gasket - case back gasket |
| D1C5AZ | band - band |
| D1C5AZ-LK00 | band - link |
| D1C5AZ-BK00 | clasp - clasp |
| 2CA070A1BNG | others - minute hand |
| 1CA042A1BNG | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351807 | others - winding stem |
| D1C5AZ-BKPN | others - pin for buckle/clasp |
| D1C5AZ-BKSC | others - safety chain |
| 81606439 | others - bracelet fixing pin |
| 81190875 | others - bracelet fixing pipe |
| 82840220 | others - case ring |
| 1F206H0079 | others - case |
| 1F206H00 | others - case back |
| 1F202S10XA24 | others - dial |
| 1F203 | others - machine code |
| D1C5AZ-LKPN | others - pin for link |
Caliber 1F20
