The Seiko 5Y00-503A is a watch model based on the 5Y00 movement.
Parts List
| RE8N30JM02 | crystal |
| 35R34NA1 | crown - crown |
| 0H2702N01 | case back gasket - case back gasket |
| Z1353G | band - metal band |
| Z1353G-BK5G | clasp - clasp |
| 08T10DGH | others - hour hand |
| 0354765 | others - winding stem |
| 5Y00503A | others - case back |
| 5Y00503A25 | others - case |
| 5Y005050XB14 | others - dial |
| 5Y005200XB14 | others - dial |
| 5Y009 | others - machine code |
| 82733360 | others - case ring |
| A180BS | others - push pin |
| 08T10DGM | others - minute hand |
Other models with the same movement
| 5Y00-5000 |
| 5Y00-5009 |
| 5Y00-5020 |
| 5Y00-5029 |
| 5Y00-5030 |
| 5Y00-5039 |
| 5Y00-503H |
| 5Y00-5040 |