The Seiko H601-5120 is a watch model based on the H601 movement.
Parts List
| ET1N05JV01 | crystal |
| ET1N05JV | crystal |
| 35NJ1NA1 | crown |
| 0H2800B01 | case back gasket - rotating bezel gasket |
| 0H2800B0 | case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| 0H2820B01 | case back gasket - case back gasket |
| 0H2820B0 | case back gasket |
| 80609131 | pusher |
| B1437G | band - metal band |
| B1437G-BK5G | clasp - clasp |
| 3BA125F1BNG | others - second hand |
| 83200271 | others - button spring clip |
| EG0060B01 | others - button gasket |
| H6015120 | others - case back |
| H601512025 | others - case |
| H6015130XG14 | others - dial |
| 82801070 | others - case ring |
| A180BS | others - push pin |
| 08SC29NG | others - second hand |
| 08P37NGM | others - minute hand |
| 08P37NGH | others - hour hand |