The Seiko 1F20-6H10 is a watch model based on the 1F20 movement.
Parts List
| ES2A70JZ0B | crystal - crystal |
| 6M30E3SNA0 | crown - crown |
| 0F200BA1S | case back gasket - case back gasket |
| 4900LQ | band - band |
| 4900LQ-LK3 | band - link |
| 4900LQ-PB2 | clasp - parts for buckle |
| 4900LQ-BKL | clasp - buckle |
| 2CE030L0BDG | others - minute hand |
| 1CE022L0BDG | others - hour hand |
| 0351807 | others - winding stem |
| 1F202S38XB14 | others - dial |
| 1F205 | others - machine code |
| 4900LQ-EP2 | others - endpiece |
| DB004BAD1 | others - crown and stem gasket |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 1F206H10JJZ | others - case |
| 82840360 | others - case ring |
| 1F206H10 | others - case back |
Caliber 1F20
