The Seiko 1F20-5G19 is a watch model based on the 1F20 movement.
Parts List
| K00W86JN01 | crystal |
| K00W86JN | crystal |
| 30M36NA3 | crown - crown |
| 0H1300B01 | case back gasket |
| 0H1300B0 | case back gasket |
| Z53843 | band - metal band |
| Z5384G | band |
| Z53843-LKG | band - link |
| Z5384G-LKG | band - link |
| Z5384G-BK4G | clasp - clasp |
| Z53843-BK4G | clasp - clasp |
| Z53843-EPG | others - endpiece |
| 0351807 | others - winding stem |
| 81180229 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 1F201D50XB14 | others - dial |
| 1F201D50XG14 | others - dial |
| 1F205G19 | others - case back |
| 1F205G192N | others - case |
| 1F209 | others - machine code |
| 82813040 | others - case ring |
| 2CF040A0BNG | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
| 04Y10NGM | others - minute hand |
| 1CF027A0BNG | others - hour hand |
| 04Y10NGH | others - hour hand |
Caliber 1F20
