The Seiko 5M42-0F50 is a watch model based on the 5M42 movement.
Parts List
| 300PX5TNC3 | crystal - crystal |
| 8K60A2SNW1 | crown - crown |
| FH2980B0A | case back gasket - case back gasket |
| 86178610 | crystal gasket - plastic gasket for crystal |
| 86564440 | bezel gasket - plastic gasket for bezel |
| EC0060B01 | pusher - pusher gasket |
| 80625009 | pusher - button |
| 4683JM | band - band |
| 4683JM-LK6 | band - link |
| 4683JM-BKD | clasp - buckle |
| 4683JM-PB1 | clasp - parts for buckle |
| 1AX080FABSW | others - hour hand |
| 2AA115FNBSN | others - minute hand |
| 3AX120F0ASF | others - second hand |
| 5M420J58XL13 | others - dial |
| 5M425 | others - machine code |
| 84327965 | others - dial ring |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 5M420F5061Z | others - case |
| 82294629 | others - bezel |
| 5M420F50 | others - case back |
| 0866636 | others - holding ring for dial |
| 0878730 | others - date dial |
| 81351630 | others - button spring |
| 81400709 | others - button spring clip |
| 0351651 | others - winding stem |
| 0Z0060B01 | others - crown and stem gasket |
Caliber 5M42
