The Seiko 2F50-631F is a watch model based on the 2F50 movement.
Parts List
| RE2A43S20D | crystal - crystal |
| RE2A43S2 | crystal |
| 6M25Z1NNGG | crown - crown |
| 6M25Z1NNGH | crown - crown |
| 6M25Z1NNGA | crown |
| 6M25Z1NN | crown |
| 0D260BA11 | case back gasket |
| WQZ13G | band - band |
| WQZ13B | band - band |
| 82862490 | others - case ring |
| 2F50631F26A | others - case |
| 2F50631F | others - case back |
| 2F50631F26M | others - case |
| 2F502170XL14 | 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 |
| RE2A43S20D | crystal - crystal |
| RE2A43S2 | crystal |
| 6M25Z1NNGG | crown - crown |
| 6M25Z1NNGH | crown - crown |
| 6M25Z1NNGA | crown |
| 6M25Z1NN | crown |
| 0D260BA11 | case back gasket |
| WQZ13G | band - band |
| WQZ13B | band - band |
| 82862490 | others - case ring |
| 2F50631F26A | others - case |
| 2F50631F | others - case back |
| 2F50631F26M | others - case |
| 2F502170XL14 | 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
