The Seiko 1F20-6F90 is a watch model based on the 1F20 movement.
Parts List
| ES2A48JZ0A | crystal - crystal |
| ES2A48JZ0B | crystal - crystal |
| 30MF8NG1 | crown - crown |
| 30MF8MS1 | crown - crown |
| 0F150NA1S | case back gasket - case back gasket |
| 4725BB | band - band |
| 4725KB | band - band |
| 4725AB | band - band |
| 4725YB | band - metal band |
| 4725ZB | band - band |
| 4725AB-LK3 | band - link |
| 4725JB | band - band |
| 4725BB-LK3 | band - link |
| 4725JB-LK3 | band - link |
| 4725KB-LK3 | band - link |
| 4725YB-LK3 | band - link |
| 4725ZB-LK3 | band - link |
| 4725JB-BKL | clasp - buckle |
| 4725JB-PB2 | clasp - parts for buckle |
| 4725AB-BKL | clasp - buckle |
| 4725AB-PB2 | clasp - parts for buckle |
| 4725ZB-BKL | clasp - buckle |
| 4725ZB-PB2 | clasp - parts for buckle |
| 4725YB-BKL | clasp - buckle |
| 4725YB-PB2 | clasp - parts for buckle |
| 4725BB-BKL | clasp - buckle |
| 4725BB-PB2 | clasp - parts for buckle |
| 4725KB-BKL | clasp - buckle |
| 4725KB-PB2 | clasp - parts for buckle |
| 1CE022L0BDG | others - hour hand |
| 2CE035L0BDG | others - minute hand |
| 1CE022L0BDS | others - hour hand |
| 2CE035L0BDS | others - minute hand |
| 0351807 | others - winding stem |
| 81604259 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 1F206F9025 | others - case |
| 82839660 | others - case ring |
| 1F206F90 | others - case back |
| 1F206F9025Z | others - case |
| 1F206F9025Y | others - case |
| 1F206F9029 | others - case |
| 1F202P98XE14 | others - dial |
| 1F202P98XG14 | others - dial |
| 1F202P98XL13 | others - dial |
| 1F202P98XR14 | others - dial |
| 1F202R00XB14 | others - dial |
| 1F202R00XG14 | others - dial |
| 1F202R08XB14 | others - dial |
| 1F202R08XG14 | others - dial |
| 1F202R08XS34 | others - dial |
| 1F205 | others - machine code |
| 4725AB-EP2 | others - endpiece |
| 1F206F9029Z | others - case |
| 4725BB-EP2 | others - endpiece |
| EZ0035B01 | others - crown and stem gasket |
Caliber 1F20
