The Seiko 1E50-5280 is a watch model based on the 1E50 movement.
Parts List
| K02N46SC01 | crystal - crystal |
| 30M66NA1 | crown |
| 0H1200N01 | case back gasket |
| B5677 | band - band |
| 04V22DGH | others - hour hand |
| 04V22DGM | others - minute hand |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 82802480 | others - case ring |
| 1E50528025 | others - case |
| 1E500380XE14 | others - dial |
| 1E509 | others - machine code |
| 0354930 | others - winding stem |
| DZ0041B01 | others - crown and stem gasket |
Caliber 1E50
