The Seiko 4J52-0A20 is a watch model based on the 4J52 movement.
Parts List
| 200P56SB0A | crystal |
| 200P56SB0B | crystal - crystal (sapphire) |
| 6K40B2STW1 | crown - crown |
| FE218BAD2 | case back gasket - case back gasket |
| 86584600 | case back gasket - plastic gasket for case back |
| 86582380 | crystal gasket - plastic gasket for crystal |
| 86179080 | bezel gasket - plastic gasket for bezel |
| D1P0CB | band - band |
| 08ST06JG | others - second hand |
| 1AE055L2BCF | others - hour hand |
| 2AE080L0BCF | others - minute hand |
| 0351405 | others - winding stem |
| AC004BAD1 | others - crown and stem gasket |
| 82835370 | others - case ring |
| 4J520A2001A | others - case |
| 82347185 | others - bezel |
| 4J520A20 | others - case back |
| S130BS | others - push pin |
Other models with the same movement