The Seiko 2Y00-5B80 is a watch model based on the 2Y00 movement.
Parts List
| SAAW28JM01 | crystal |
| SAAW28JM | crystal |
| 30MA2NA1 | crown - crown |
| EZ0035B0 | case back gasket |
| 0A1600N01 | case back gasket |
| B5502C | band - metal band |
| B5502C-LKG | band - link |
| B5502D | band - metal band |
| B5502D-LKG | band - link |
| B5502D-BK4G | clasp - clasp |
| B5502C-BK4G | clasp - clasp |
| 0351236 | others - winding stem |
| 2Y000H90XS14 | others - dial |
| 2Y000J00XS19 | others - dial |
| 2Y005B80 | others - case back |
| 2Y005B8061 | others - case |
| 2Y005B80WE | others - case |
| 2Y009 | others - machine code |
| 82802280 | others - case ring |
| B080AS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |
| 05Y02FGM | others - minute hand |
| 2CA052A0BNG | others - minute hand |
| 05Y02NGM | others - minute hand |
| 05Y02FGH | others - hour hand |
| 1CA035A0BNG | others - (24 hour hand) |
| 05Y02NGH | others - hour hand |
Caliber 2Y00
