The Seiko 2Y00-5D80 is a watch model based on the 2Y00 movement.
Parts List
| ESKN44JN01 | crystal |
| ESKN44JN | crystal |
| 30M98NA1 | crown |
| 0H1610B01 | case back gasket |
| 0H1610B0 | case back gasket |
| M5081K | band |
| M5082K | band |
| M5082G | band |
| M5081K-BK3G | clasp - clasp |
| M5082G-BK3G | clasp - clasp |
| M5082K-BK3G | clasp - clasp |
| 0351236 | others - winding stem |
| 2Y001E28XB14 | others - dial |
| 2Y001E28XG14 | others - dial |
| 2Y001E38XS14 | others - dial |
| 2Y001E48XG14 | others - dial |
| 2Y001J40XB14 | others - dial |
| 2Y001J40XG14 | others - dial |
| 2Y001J50XG14 | others - dial |
| 2Y005D80 | others - case back |
| 2Y005D8025 | others - case |
| 2Y005D8025A | others - case |
| 2Y009 | others - machine code |
| 82733920 | others - case ring |
| B080AS | others - push pin |
| 05Y02FGM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
| 05Y32DAH | others - hour hand |
| 05Y32DAM | others - minute hand |
| 05Y02FGH | others - hour hand |
| 05Y22DAH | others - hour hand |
Caliber 2Y00
