The Seiko 5M42-0H30 is a watch model based on the 5M42 movement.
Parts List
| 300P02SN03 | crystal - crystal (sapphire) |
| 8M50A0TNA1 | crown - crown |
| FH2981B01 | case back gasket - case back gasket |
| 86581060 | crystal gasket - plastic gasket for crystal |
| A35A04TMN0A | pusher - button (2h) |
| 4764AZ-LK4 | band - link |
| 4764AZ | band - band |
| 4764JZ | band - band |
| 4764JZ-LK | band - link |
| 4764AZ-BKK | clasp - buckle |
| 4764AZ-PB1 | clasp - parts for buckle |
| 4764JZ-BK | clasp - buckle |
| 4764JZ-PB | clasp - parts for buckle |
| 4764JZ-PB1 | clasp - parts for buckle |
| 1AA085LMBAC | others - hour hand |
| 1AA085L0BEJ | others - hour hand |
| 2AA120LNBAC | others - minute hand |
| 2AA120L0BEJ | others - minute hand |
| 3AX125FNAAW | others - second hand |
| 3AX125FNAAB | others - second hand |
| 0351651 | others - winding stem |
| 83200273 | others - button spring clip |
| 81351630 | others - button spring |
| AD006BAD1 | others - crown and stem gasket |
| 5M420H30WF | others - case |
| 5M420H30 | others - case back |
| 5M420H30WFY | others - case |
| 5M420H30WFZ | others - case |
| 0866640 | others - holding ring for dial |
| 0878729 | others - date dial |
| 0878730 | others - date dial |
| 4764AZ-EP4 | others - endpiece |
| 5M420H30WFA | others - case |
| 5M420H30WFX | others - case |
| 4764JZ-EP | others - endpiece |
| 5M420L40XB13 | others - dial |
| 5M420L48XB13 | others - dial |
| 5M420L48XR13 | others - dial |
| 5M420L50XS13 | others - dial |
| 5M420L58XS13 | others - dial |
| 5M425 | others - machine code |
| 84328284 | others - dial ring |
| 84328285 | others - dial ring |
| 84328286 | others - dial ring |
| A190BS | others - push pin |
| AD006BA12 | others - crown gasket |
Caliber 5M42
