The Seiko 7750-5389 is a watch model based on the 7750 movement.
Parts List
| BA2W15SN00 | crystal |
| 25M15DA1 | crown - crown |
| 0F225BAA3 | case back gasket - rotating bezel gasket |
| 0Z0034B01 | case back gasket - crown and stem gasket |
| 86568951 | crystal gasket - plastic gasket for crystal |
| B1301D | band - metal band |
| 81606159 | band - bracelet fixing pin |
| B1301D-LKG | band - link |
| B1301D-PB1 | clasp - parts for buckle/clasp |
| B1301D-BK4G | clasp - clasp |
| 82713150 | others - case ring |
| 08S29DHH | others - hour hand |
| 81181859 | others - bracelet fixing pipe |
| 81606479 | others - bracelet fixing pin |
| 77505389TN | others - case |
| 77505480XB14 | others - dial |
| 775062 | others - machine code |
| 08S29DHM | others - minute hand |
Caliber 7750
