The Seiko 5M42-0J30 is a watch model based on the 5M42 movement.
Parts List
| 290PX5TNC3 | crystal - crystal |
| 50MA2NS1 | crown - crown |
| FH2980B0A | case back gasket - case back gasket |
| 86565320 | crystal gasket - plastic gasket for crystal |
| C35A06SMS0A | pusher - button (2h) |
| 4872JZ | band - band |
| 4872JZ-LK2 | band - link |
| 4872JZ-BKD | clasp - buckle |
| 4872JZ-PB1 | clasp - parts for buckle |
| 1AA075F6BSC | others - hour hand |
| 2AB115FCBSW | others - minute hand |
| 2AB115FCBSC | others - minute hand |
| 3AA120FMANG | others - second hand |
| 1AA075F6BSA | others - hour hand |
| 3AA120FMANS | others - second hand |
| 0351651 | others - winding stem |
| 83200273 | others - button spring clip |
| 81351630 | others - button spring |
| AD006BAD1 | others - crown and stem gasket |
| 0Z3214B02 | others - rotating bezel gasket |
| 81331969 | others - bezel spring |
| 81190055 | others - bracelet fixing pipe |
| 5M420J3061W | others - case |
| 86323064 | others - rotating bezel |
| 81611609 | others - bracelet fixing pin |
| 5M420J30 | others - case back |
| 5M420J3061X | others - case |
| 5M420J3061Z | others - case |
| 0866636 | others - holding ring for dial |
| 0878729 | others - date dial |
| 0878730 | others - date dial |
| 5M420M28XB13 | others - dial |
| 5M420M28XL13 | others - dial |
| 5M420M28XN13 | others - dial |
| 5M425 | others - machine code |
| 84328724 | others - dial ring |
| 84328726 | others - dial ring |
| 84328727 | others - dial ring |
| 0Z0060B01 | others - crown and stem gasket |
Caliber 5M42
