The Seiko H601-603A is a watch model based on the H601 movement.
Parts List
| 260W37HM03 | crystal |
| 35M81NA1 | crown |
| 0F260BAA3 | case back gasket - case back gasket |
| 86570351 | crystal gasket - plastic gasket for crystal |
| 86563530 | bezel gasket |
| 80609171 | pusher |
| BPJ48F | band - resin band |
| BPJ48F-LB | band - leather without buckle |
| BPJ48F-BK3S | clasp - clasp |
| 08PF1CFH | hand - hour hand |
| 08PF1CFM | hand - minute hand |
| 3BA125F1BNG | others - second hand |
| EB0055B01 | others - crown and stem gasket |
| EG0060B01 | others - button gasket |
| 83200271 | others - button spring clip |
| 82332517 | others - bezel |
| 82802190 | others - case ring |
| 86205217 | others - decorative plate |
| A180BS | others - push pin |
| H6016010XY14 | others - dial |
| H6016030 | others - case back |
| H601603AWZ | others - case |
| 08SC29NG | others - second hand |