The Seiko 2Y00-5178 is a watch model based on the 2Y00 movement.
Parts List
| SAHN09JN01 | crystal |
| SAHN09JN | crystal |
| 32N23NA1 | crown |
| 32N23NN1 | crown |
| 0G1600B01 | case back gasket - case back gasket |
| 0G1600B0 | case back gasket |
| M5067K | band |
| M5067K-BK3G | clasp - clasp |
| 2CG052L0BDG | others - minute hand |
| 0351236 | others - winding stem |
| DA007BA11 | others - crown and stem gasket |
| 2Y000781XS14 | others - dial |
| 2Y005178 | others - case back |
| 2Y00517825 | others - case |
| 2Y0065 | others - machine code |
| 82821430 | others - case ring |
| B080BS | others - push pin |
| 05Y11DGM | others - minute hand |
| 1CG037L0BDG | others - hour hand |
| 05Y07DGH | others - hour hand |
Caliber 2Y00
