The Seiko 1E50-5A09 is a watch model based on the 1E50 movement.
Parts List
| ESXN55KE10 | crystal |
| ESXN55KE | crystal |
| 30N63NA1 | crown - crown |
| 30ND3NA1 | crown - crown |
| DZ0040B0 | case back gasket |
| 0F120NA11 | case back gasket |
| M5032G | band - metal band |
| M5032G-BK6G | clasp - clasp |
| M5032G-PB3 | clasp - parts for buckle/clasp |
| 05L13DGH | hand - hour hand |
| 05V07DGM | hand - minute hand |
| 1E500A20XB14 | others - dial |
| 1E505A092H | others - case |
| 82722610 | others - case ring |
| 81606439 | others - bracelet fixing pin |
| 81180229 | others - bracelet fixing pipe |
| 81606679 | others - bracelet fixing pin |
| DZ0040B01 | others - crown and stem gasket |
| 05V07DHM | others - minute hand |
| 05L13DHH | others - hour hand |
| ESXN55KE10 | crystal |
| ESXN55KE | crystal |
| 30N63NA1 | crown - crown |
| 30ND3NA1 | crown - crown |
| DZ0040B0 | case back gasket |
| 0F120NA11 | case back gasket |
| M5032G | band - metal band |
| M5032G-BK6G | clasp - clasp |
| M5032G-PB3 | clasp - parts for buckle/clasp |
| 05L13DGH | hand - hour hand |
| 05V07DGM | hand - minute hand |
| 1E500A20XB14 | others - dial |
| 1E505A092H | others - case |
| 82722610 | others - case ring |
| 81606439 | others - bracelet fixing pin |
| 81180229 | others - bracelet fixing pipe |
| 81606679 | others - bracelet fixing pin |
| DZ0040B01 | others - crown and stem gasket |
| 05V07DHM | others - minute hand |
| 05L13DHH | others - hour hand |
Caliber 1E50
