The Seiko 5A50-521H is a watch model based on the 5A50 movement.
Parts List
| REEN08SR02 | crystal - crystal |
| REEN08SR | crystal |
| 27M04NA1 | crown |
| 0H1700B01 | case back gasket - bezel gasket |
| 0H1700B0 | case back gasket |
| WJZ36G | band - leather band |
| LOCAL | band - band |
| 05V46DGH | others - hour hand |
| A130AS | others - push pin (for lb) |
| 5A500420XL14 | others - dial |
| 5A509 | others - machine code |
| 05V38DGM | others - minute hand |
| 82830160 | others - case ring |
| 5A50521H26 | others - case |
| 5A50521H | others - case back |
| 0354881 | others - winding stem |
| DZ0041B01 | others - crown and stem gasket |
Caliber 5A50
