The Seiko 1E50-5209 is a watch model based on the 1E50 movement.
Parts List
| RE1W12SN | crystal |
| RE1W12SN01 | crystal - crystal (sapphire) |
| 30M82NA1 | crown - crown |
| 0A1900N01 | case back gasket - case back gasket |
| EZ0035B0 | case back gasket |
| 86580300 | crystal gasket - plastic gasket for crystal |
| B5361C | band |
| B5361G-LKG | band - link |
| B5361C-LKG | band - link |
| B5361G | band - metal band |
| B5361G-BK7G | clasp - clasp |
| B5361C-PB1 | clasp - parts for buckle/clasp |
| B5361G-PB1 | clasp - parts for buckle/clasp |
| B5361C-BK7G | clasp - clasp |
| 05V46DGM | hand - minute hand |
| 05V46DGH | others - hour hand |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 1E500370XG14 | others - dial |
| 1E500370XS14 | others - dial |
| 1E505209 | others - case back |
| 1E50520975 | others - case |
| 1E505209SF | others - case |
| 1E509 | others - machine code |
| 82803520 | others - case ring |
| EZ0035B01 | others - crown and stem gasket |
| 0354930 | others - winding stem |
Caliber 1E50
