The Seiko 7320-5550 is a watch model based on the 7320 movement.
Parts List
| RE0W76GN00 | crystal |
| 38M08NA2 | crown |
| 0A2100N0A | case back gasket - case back gasket |
| OA2100NOA | case back gasket |
| 86570820 | crystal gasket - plastic gasket for crystal |
| B5134D | band - metal band |
| B5134D-LKG | band - link |
| B5134D-PB1 | clasp - parts for buckle/clasp |
| B5134D-BK2G | clasp - clasp |
| 07V30DGM | hand - minute hand |
| 07V30NGH | hand - hour hand |
| 81180229 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 0354735 | others - winding stem |
| 73205550XF | others - case |
| 73205910XN14 | others - dial |
| 73219 | others - machine code |
| 82721660 | others - case ring |
| EA0040B0A | others - crown and stem gasket |
Caliber 7320
