The Seiko 1F20-0049 is a watch model based on the 1F20 movement.
Parts List
| 185P01SN | crystal |
| 185P01SN02 | crystal |
| 25M55DA1 | crown |
| 0F170BAA | case back gasket |
| 0F130BAA3 | case back gasket - case back gasket |
| 0F170BAA3 | case back gasket - case back gasket |
| 86561071 | crystal gasket |
| L5002C-LKG | band - link |
| L5002G-LKG | band - link |
| L5002C | band |
| L5002G | band |
| L5002G-PB1 | clasp - parts for buckle/clasp |
| L5002C-PB1 | clasp - parts for buckle/clasp |
| L5002G-BK7G | clasp - clasp |
| L5002C-BK7S | clasp - clasp |
| DZ0040B01 | others - crown and stem gasket |
| 0351807 | others - winding stem |
| 81181459 | others - bracelet fixing pipe |
| 81611439 | others - bracelet fixing pin |
| 1F200049 | others - case back |
| 1F20004976 | others - case |
| 1F200049SF | others - case |
| 1F200100XS14 | others - dial |
| 1F200110XS19 | others - dial |
| 1F205 | others - machine code |
| 82353111 | others - bezel |
| 82852870 | others - case ring |
| 07Y63CAM | others - minute hand |
| 07Y59JGM | others - minute hand |
| 07Y63AAH | others - hour hand |
| 07Y59VJH | others - hour hand |
Caliber 1F20
