The Seiko 1E50-516H is a watch model based on the 1E50 movement.
Parts List
| REAN38SV | crystal |
| REAN38SV02 | crystal - crystal (sapphire) |
| 30M66NA1 | crown |
| 0H1300N01 | case back gasket |
| DZ0041B0 | case back gasket |
| 0H1300N0 | case back gasket |
| B5358G | band - metal band |
| B5358G-LKG | band - link |
| B5358G-PB2 | clasp - parts for buckle/clasp |
| B5358G-BK4G | clasp - clasp |
| 04V10DGH | others - hour hand |
| 04V10DGM | others - minute hand |
| B5358G-EP3 | others - endpiece |
| 81606439 | others - bracelet fixing pin |
| 81180229 | others - bracelet fixing pipe |
| 1E500290XB14 | others - dial |
| 1E50516H | others - case back |
| 1E50516H25 | others - case |
| 1E509 | others - machine code |
| 82801980 | others - case ring |
| 0354930 | others - winding stem |
| DZ0041B01 | others - crown and stem gasket |
Caliber 1E50
