The Seiko 1F20-5D59 is a watch model based on the 1F20 movement.
Parts List
| ESLN12JN01 | crystal - crystal |
| ESLN12JN | crystal |
| 30M98NA1 | crown |
| 30M98NS1 | crown - crown |
| 0H1900B01 | case back gasket - case back gasket |
| 0H1900B0 | case back gasket |
| B5568G | band |
| B5568K | band - band |
| B55687 | band - metal band |
| B55687-LKG | band - link |
| B5568G-LKG | band - link |
| B5568K-LKG | band - link |
| B5568S-LKS | band - link |
| B5568S | band |
| B5568G-BK4G | clasp - buckle |
| B5568S-BK4S | clasp - clasp |
| B55687-BK4G | clasp - buckle |
| B5568K-BK4G | clasp - buckle |
| 1F200J50XB13 | others - dial |
| 1F200J50XB24 | others - dial |
| 1F200J50XG14 | others - dial |
| 1F200J58XB24 | others - dial |
| 1F200J58XG14 | others - dial |
| 1F205D5925 | others - case |
| 1F205D5929 | others - case |
| 1F209 | others - machine code |
| T060BS | others - push pin |
| 1F205D5925Z | others - case |
| 1F205D59 | others - case back |
| 82820800 | others - case ring |
| 0351807 | others - winding stem |
| DZ0041B01 | others - crown and stem gasket |
| 04Y02DAM | others - minute hand |
| 04Y02DAH | others - hour hand |
| 04Y02DSM | others - minute hand |
| 04Y02DSH | others - hour hand |
Caliber 1F20
