The Seiko 2Y00-5D40 is a watch model based on the 2Y00 movement.
Parts List
| SAAW42JN | crystal |
| SAAW42JN01 | crystal |
| 30MA2NA1 | crown - crown |
| 0A1700N01 | case back gasket - case back gasket |
| 0A1700N0 | case back gasket |
| EZ0035B0 | case back gasket |
| BGA43G | band - leather band |
| BGJ74G | band - leather band |
| BGJ75G | band - leather band |
| BGA42G | band |
| 05Y20DAH | hand - hour hand |
| 2Y001C30XB14 | others - dial |
| 2Y001C30XG14 | others - dial |
| 2Y001C40XB14 | others - dial |
| 2Y001C40XG14 | others - dial |
| 2Y005D40 | others - case back |
| 2Y005D4075 | others - case |
| 2Y009 | others - machine code |
| 82813000 | others - case ring |
| A110AS | others - push pin |
| 0351236 | others - winding stem |
| EZ0035B01 | others - crown and stem gasket |
| 06Y12NGM | others - minute hand |
| 06Y02DAM | others - minute hand |
| 06Y12NGH | others - hour hand |
Caliber 2Y00
