The Seiko 2F50-5399 is a watch model based on the 2F50 movement.
Parts List
| RE9N57SZ10 | crystal |
| RE9N57SZ | crystal |
| 25N27DA1 | crown |
| 0G2125B0 | case back gasket |
| DZ0040B0 | case back gasket |
| 0G2125B01 | case back gasket - case back gasket |
| B1300C | band - metal band |
| B1300C-LKG | band - link |
| B1300C-PB1 | clasp - parts for buckle/clasp |
| B1300C-BK4S | clasp - clasp |
| 06M09D1H | hand - hour hand |
| 06M09D1M | hand - minute hand |
| 2F500470XN14 | others - dial |
| 2F505399JJ | others - case |
| 82712730 | others - case ring |
| 81606439 | others - bracelet fixing pin |
| 81180229 | others - bracelet fixing pipe |
| 81607659 | others - bracelet fixing pin |
| 06M09DGH | others - hour hand |
| 06M09DGM | others - minute hand |
Caliber 2F50
