The Seiko 7321-0050 is a watch model based on the 7321 movement.
Parts List
| 185W02GN00 | crystal |
| 30M58NA1 | crown - crown |
| 30M58NS1 | crown |
| 0A1800N01 | case back gasket |
| 86567380 | crystal gasket - plastic gasket for crystal |
| 86567400 | bezel gasket - plastic gasket for bezel |
| B5092G | band - metal band |
| B5092G-BK5G | clasp - clasp |
| 07SC02NG | others - second hand |
| 07T04CGM | others - minute hand |
| 07T04ALH | others - hour hand |
| 0354735 | others - winding stem |
| 82710120 | others - case ring |
| 7321005075 | others - case |
| 73210220XG14 | others - dial |
| 73219 | others - machine code |
| 82332981 | others - bezel |
| EZ0035B0A | others - crown and stem gasket |
| B5092G-EP2 | others - endpiece |
| EZ0035B01 | others - crown and stem gasket |