The Seiko 1F20-0AD0 is a watch model based on the 1F20 movement.
Parts List
| RE6A22SB0A | crystal - crystal |
| 6M32A0STW1 | crown - crown |
| 0F160BA1S | case back gasket - case back gasket |
| D1T4AQ-LK00 | band - link |
| D1T5AQ-LK00 | band - link |
| D1T4AQ | band - band |
| D1T5AQ | band - band |
| 1CE032L0BDS | others - hour hand |
| 2CE050L4BDS | others - minute hand |
| DB004BAD1 | others - crown and stem gasket |
| 1F200AD001A | others - case |
| 82843260 | others - case ring |
| 1F200AD0 | others - case back |
| 1F200AC0XA13 | others - dial |
| 1F200AC0XA23 | others - dial |
| 1F205 | others - machine code |
| B090BS | others - push pin |
| D1T4AQ-BKPN | others - pin for buckle/clasp |
| D1T5AQ-LKPN | others - pin for link |
| D1T4AQ-LKPN | others - pin for link |
| D1T5AQ-BKPN | others - pin for buckle/clasp |
| 0351807 | others - winding stem |
Caliber 1F20
