The Seiko 7321-5570 is a watch model based on the 7321 movement.
Parts List
| SACN00SN00 | crystal - crystal |
| 30M62N03 | crown - crown |
| 0H2520N01 | case back gasket - case back gasket |
| YK12B | band - band |
| 7321557000 | others - case |
| 82730700 | others - case ring |
| 73211010XG14 | others - dial |
| 73219 | others - machine code |
| A180BS | others - push pin |
| 0354735 | others - winding stem |
| 08SC22D1 | others - second hand |
| 08T32DGM | others - minute hand |
| 08T32DGH | others - hour hand |