The Seiko 2Y00-5A20 is a watch model based on the 2Y00 movement.
Parts List
| SAFN34JN01 | crystal |
| SAFN34JN | crystal |
| 30M98NA1 | crown |
| 0H1610N01 | case back gasket |
| 0H1610N0 | case back gasket |
| B5466C | band - metal band |
| B5466G | band |
| B5466C-BK3S | clasp - clasp |
| B5466G-BK3G | clasp - clasp |
| 0351236 | others - winding stem |
| 2Y000A90XG14 | others - dial |
| 2Y000B00X994 | others - dial |
| 2Y000B10XB14 | others - dial |
| 2Y000B10XG14 | others - dial |
| 2Y000B20XR14 | others - dial |
| 2Y000B30XB14 | others - dial |
| 2Y000B30XG14 | others - dial |
| 2Y000B40XG14 | others - dial |
| 2Y000B40XL14 | others - dial |
| 2Y005A20 | others - case back |
| 2Y005A2025 | others - case |
| 2Y005A202H | others - case |
| 2Y009 | others - machine code |
| 82802280 | others - case ring |
| B090AS | others - push pin |
| DZ0041B01 | others - crown and stem gasket |
| 2CA052A0BNG | others - minute hand |
| 04Y02DAH | others - hour hand |
| 05Y02NGM | others - minute hand |
| 05Y04DAH | others - hour hand |
| 1CA035A0BNG | others - (24 hour hand) |
| 05Y04DAM | others - minute hand |
| 05Y02NGH | others - hour hand |
Caliber 2Y00
