The Seiko 4206-0631 is a watch model based on the 4206 movement.
Parts List
| 255W53L50A | crystal - crystal |
| 255W53LM01 | crystal - crystal |
| 255W53LM | crystal |
| 40MC5NS1 | crown - crown |
| 40MC5NN1 | crown - crown (3h) |
| FE258BA11 | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| DB0055B0 | case back gasket |
| 86580370 | crystal gasket |
| G1437J | band |
| G1437K-LKG | band - link |
| G1452J | band - band |
| G1452K | band - band |
| G1452K-LKG | band - link |
| G1437K | band |
| G1452K-BK1G | clasp - buckle |
| G1452K-PB1 | clasp - parts for buckle |
| G1437K-PB1 | clasp - parts for buckle/clasp |
| G1437K-BK1G | clasp - clasp |
| 11SC27NH | others - second hand |
| 1AA075LHBLG | others - hour hand |
| 2AA105LGBLG | others - minute hand |
| 11C39LGM | others - minute hand |
| 11C39LGH | others - hour hand |
| 3AA125F1ANG | others - second hand |
| 83137250 | others - case ring |
| 0351420 | others - winding stem |
| 4206063161 | others - case |
| 42060631 | others - case back |
| 4206063175 | others - case |
| 0801274 | others - date dial |
| 0884282 | others - holding ring for dial |
| 0884431 | others - holding ring for dial |
| 4206231LXB14 | others - dial |
| 4206231LXG14 | others - dial |
| 4206231LXN14 | others - dial |
| 4206231LXS14 | others - dial |
| 420654 | others - machine code |
| A160BS | others - push pin |
Caliber 4206
