The Seiko 5M42-0B49 is a watch model based on the 5M42 movement.
Parts List
| 280A03JN02 | crystal - crystal (inorganic) |
| 280A03JN | crystal |
| 45M82NA1 | crown - crown |
| FH2981B01 | case back gasket - case back gasket |
| EC0060B0 | case back gasket - crown gasket |
| EC0060B01 | pusher - pusher gasket |
| 80604501 | pusher |
| 4FS0XZ | band - leather band |
| 4GQ4YZ | band - band |
| 2AB115A2BNG | others - minute hand |
| 1AB080A0BNG | others - hour hand |
| 3AX130F7ANG | others - second hand |
| 3AA125F1ANG | others - second hand |
| 2AC110A1BNG | others - minute hand |
| 81400709 | others - button spring clip |
| 81350540 | others - button spring |
| EG0060B01 | others - button gasket |
| 0351651 | others - winding stem |
| 0866636 | others - holding ring for dial |
| 0878729 | others - date dial |
| 0878733 | others - date dial |
| 5M420E68XS14 | others - dial |
| 5M420H78XG24 | others - dial |
| 5M425 | others - machine code |
| A180BS | others - push pin |
| 5M420B4975Z | others - case |
| 5M420B49 | others - case back |
| 12C20NGH | others - hour hand |
| 1AC075A1BNG | others - hour hand |
Caliber 5M42
