The Seiko 7771-6050 is a watch model based on the 7771 movement.
Parts List
| 270N25SN00 | crystal |
| 270A01SN01 | crystal - crystal (sapphire) |
| 25N01NS5 | crown |
| 25M45NS4 | crown - crown |
| 25M45NS4C | crown |
| 25N01NS5C | crown |
| 0H2600N01 | case back gasket - case back gasket |
| 0H2650N01 | case back gasket |
| QI044 | band - band |
| 11SC25VS | others - second hand |
| QI036 | others - other band |
| DZ0040B01 | others - crown and stem gasket |
| 11SC25VG | others - second hand |
| 777160503KA | others - case |
| 82813510 | others - case ring |
| 77716050 | others - case back |
| 0354371 | others - winding stem |
| 11S39JCH | others - hour hand |
| 11S39JCM | others - minute hand |