The Seiko 2Y00-5509 is a watch model based on the 2Y00 movement.
Parts List
| SAGN23JN01 | crystal |
| SAGN23JN | crystal |
| 32N23NN1 | crown |
| 32N23NA1 | crown |
| 0G1600B01 | case back gasket - case back gasket |
| 0G1600B0 | case back gasket |
| B5541G | band |
| 0351236 | others - winding stem |
| DA007BA11 | others - crown and stem gasket |
| 05Y15NGM | others - minute hand |
| 05Y15NGH | others - hour hand |
Caliber 2Y00
