The Seiko 5M42-0G40 is a watch model based on the 5M42 movement.
Parts List
| 270P03TNC3 | crystal - crystal |
| 50M48NS1 | crown - crown |
| FH2980B0A | case back gasket - case back gasket |
| 86571500 | crystal gasket - crystal plastic gasket |
| EC0060B01 | pusher - pusher gasket |
| 80625209 | pusher - button |
| 4729AZ | band - band |
| 4729JZ | band - band |
| 4729AZ-LK2 | band - link |
| 4729JZ-LK2 | band - link |
| 4729JZ-BKD | clasp - buckle |
| 4729JZ-PB2 | clasp - parts for buckle |
| 4729AZ-BKD | clasp - buckle |
| 4729AZ-PB2 | clasp - parts for buckle |
| 3AA125F2ANS | others - second hand |
| 1AE080L0BDS | others - hour hand |
| 2AE120L0BDS | others - minute hand |
| 1AA080LMBDS | others - hour hand |
| 2AA120LMBDS | others - minute hand |
| 3AX125FNANS | others - second hand |
| 0351651 | others - winding stem |
| 83200273 | others - button spring clip |
| 81350540 | others - button spring |
| 5M420G4061Z | others - case |
| 5M420G4061 | others - case |
| 5M420G40 | others - case back |
| 0866636 | others - holding ring for dial |
| 0878729 | others - date dial |
| 5M420K20XS13 | others - dial |
| 5M420K90XS13 | others - dial |
| 5M420K98XS13 | others - dial |
| 5M425 | others - machine code |
| A190BS | others - push pin |
| 0Z0060B01 | others - crown and stem gasket |
Caliber 5M42
