The Seiko 5M42-0D40 is a watch model based on the 5M42 movement.
Parts List
| 300A02SN02 | crystal - crystal (sapphire) |
| 40MD4NA1 | crown - crown |
| FH2981B01 | case back gasket - case back gasket |
| 80603021 | pusher - button |
| 43E9LG | band - band |
| 43E9LG-LKG | band - link |
| 43E9LG-BK1S | clasp - buckle |
| 43E9LG-PB1 | clasp - parts for buckle |
| 3AA125F1ANG | others - second hand |
| 1AB080AEBSG | others - hour hand |
| 2AB115AFBSG | others - minute hand |
| 5M420A58XL14 | others - dial |
| 5M425 | others - machine code |
| A150BS | others - push pin |
| 81400709 | others - button spring clip |
| 81350540 | others - button spring |
| EG0060B01 | others - button gasket |
| 0351651 | others - winding stem |
| 5M420D407HZ | others - case |
| 5M420D40 | others - case back |
| 0866640 | others - holding ring for dial |
| 0878732 | others - date dial |
| 0Z0060B01 | others - crown and stem gasket |
| 81400829 | others - button spring clip |
Caliber 5M42
