The Seiko 2Y00-5500 is a watch model based on the 2Y00 movement.
Parts List
| SAGN23JN01 | crystal |
| SAGN23JN | crystal |
| 32N23NA1 | crown |
| 32N23NN1 | crown |
| 0G1600B01 | case back gasket - case back gasket |
| 0G1600B0 | case back gasket |
| B5541G | band |
| B5541G-BK5G | clasp - clasp |
| 0351236 | others - winding stem |
| 2Y002240XG14 | others - dial |
| 2Y002250XB14 | others - dial |
| 2Y005500 | others - case back |
| 2Y00550025 | others - case |
| 2Y0065 | others - machine code |
| 82831790 | others - case ring |
| B080AS | others - push pin |
| DA007BA11 | others - crown and stem gasket |
| 05Y13DGM | others - minute hand |
| 05Y13DGH | others - hour hand |
| 2CG055L0BDG | others - minute hand |
| 1CG037L0BDG | others - hour hand |
| 05Y13NGM | others - minute hand |
| 05Y07DGH | others - hour hand |
| 05Y13NGH | others - hour hand |
| 05Y07DGM | others - minute hand |
Caliber 2Y00
