The Seiko 4206-5310 is a watch model based on the 4206 movement.
Parts List
| SA3W39LM10 | crystal |
| SA3W39LM50 | crystal |
| SA3W39LM40 | crystal |
| 40MF5NS1 | crown |
| 40MF5NN1 | crown |
| DB0055B01 | case back gasket - crown and stem gasket |
Caliber 4206
Seiko 4206-5310 Watch Guide