The Seiko 5S21-6050 is a watch model based on the 5S21 movement.
Parts List
| 265A15JN02 | crystal - crystal |
| 30MF9DA4 | crown - crown |
| 0F220BAA3 | case back gasket - case back gasket |
| LK08G | band - band |
| 1BD080AABAA | others - hour hand |
| 2BD110ACBAA | others - minute hand |
| 11T09VCH | others - hour hand |
| 11T09VCM | others - minute hand |
| 82840870 | others - case ring |
| 11SC25VG | others - second hand |
| 0D005BA13 | others - crown and stem gasket |
| 5S2160507NA | others - case |
| 5S216050 | others - case back |
| 5S2160507NB | others - case |
| 5S2160507NC | others - case |
| 5S216100XS14 | others - dial |
| 5S219 | others - machine code |
| A170BS | others - push pin |
Caliber 5S21
