The Seiko 2906-0720 is a watch model based on the 2906 movement.
Parts List
| SA5W34GM01 | crystal |
| SA5W34GM02 | crystal |
| 40M54NS1 | crown |
| 40M54NA1 | crown |
| FH1980B01 | case back gasket - case back gasket |
| DJ0060B01 | others - crown gasket |
Caliber 2906
Seiko 2906-0720 Watch Guide