The Seiko 1F20-5D30 is a watch model based on the 1F20 movement.
Parts List
| REDN04JM01 | crystal |
| REDN04JM | crystal |
| 30M98NA1 | crown |
| 0H1500B01 | case back gasket - case back gasket |
| 0H1500B0 | case back gasket |
| Z5350C | band |
| Z5350C-LKG | band - link |
| Z5350L-LKG | band - link |
| Z5350L | band |
| Z5350C-BK4G | clasp - clasp |
| Z5350L-BK4G | clasp - clasp |
| 81606439 | others - bracelet fixing pin |
| 81180229 | others - bracelet fixing pipe |
| 1F200H00XG24 | others - dial |
| 1F200H78XG24 | others - dial |
| 1F200H88XS19 | others - dial |
| 1F205D30 | others - case back |
| 1F205D3029 | others - case |
| 1F205D3029Z | others - case |
| 1F209 | others - machine code |
| 82820320 | others - case ring |
| 0351807 | others - winding stem |
| DZ0041B01 | others - crown and stem gasket |
| 04Y08NGM | others - minute hand |
| 04Y06FGM | others - minute hand |
| 04Y08NGH | others - small hand (6h) |
| 04Y06FGH | others - hour hand |
Caliber 1F20
