The Seiko 2F50-631H is a watch model based on the 2F50 movement.
Parts List
| RE2A43S20C | crystal - crystal |
| RE2A43S2 | crystal |
| 6M25Z1NNGH | crown - crown |
| 6M25Z1NNGB | crown |
| 6M25Z1NN | crown |
| 0D260BA11 | case back gasket |
| WQA28G | band - band |
| WQA28B | band - band |
| 82862490 | others - case ring |
| 2F50631H26A | others - case |
| 2F50631H | others - case back |
| 2F50631H26M | others - case |
| 2F502170XB14 | others - dial |
| 2F5071 | others - machine code |
| A190AS | others - push pin |
| 0351358 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 09M09D1M | others - minute hand |
| 09M09CJH | others - hour hand |
Caliber 2F50
