The Seiko 1E20-0A10 is a watch model based on the 1E20 movement.
Parts List
| 145N15SN00 | crystal - crystal |
| 27N05DA1 | crown |
| 0G1400B01 | case back gasket |
| HI084 | band - band |
| 86223271 | clasp - clasp |
| 1CC037ABBNG | others - hour hand |
| 2EC052AABDG | others - minute hand |
| 05V23DGM | others - minute hand |
| 05L23DGH | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 82720350 | others - case ring |
| 1E200A1026A | others - case |
| 1E200A1026 | others - case |
| 1E200A10XG19 | others - dial |
| 1E208 | others - machine code |
| 0354930 | others - winding stem |
Caliber 1E20
