The Seiko 5M42-0L40 is a watch model based on the 5M42 movement.
Parts List
| 270P03LN03 | crystal - crystal (inorganic) |
| 8K45B7SNG1 | crown - crown(2h) |
| FH2980B01 | case back gasket - case back gasket |
| 86571500 | crystal gasket - crystal plastic gasket |
| C35A02SMG0A | pusher - button (2h) |
| 71F5XM | band - band |
| 71F5XM-LK5 | band - link |
| 71F5XM-BKD | clasp - buckle |
| 71F5XM-PB1 | clasp - parts for buckle |
| 3AA125F1ANG | others - second hand |
| 2AB110L2BSG | others - minute hand |
| 81604259 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 5M420L40TE | others - case |
| 83200273 | others - button spring clip |
| 81351630 | others - button spring |
| AD006BAD1 | others - crown and stem gasket |
| 0866636 | others - holding ring for dial |
| 0878729 | others - date dial |
| 5M420P18XS24 | others - dial |
| 5M425 | others - machine code |
| 0351651 | others - winding stem |
| 1AB075LPBSG | others - hour hand |
Caliber 5M42
