The Seiko 1E20-5170 is a watch model based on the 1E20 movement.
Parts List
| K02N10GN | crystal |
| K02N10GN00 | crystal - crystal (inorganic) |
| 30M68NA1 | crown - crown |
| 0H1200N01 | case back gasket |
| 0H1200N0 | case back gasket |
| DZ0041B0 | case back gasket |
| Q5008G-LKG | band - link |
| Q5008G | band - metal band |
| Q5008G-BK4G | clasp - clasp |
| Q5008G-EPG | others - endpiece |
| 03V06NGH | others - hour hand |
| 0351931 | others - winding stem |
| 81180229 | others - bracelet fixing pipe |
| 81603979 | others - bracelet fixing pin |
| 1E200340XG14 | others - dial |
| 1E20517025 | others - case |
| 1E208 | others - machine code |
| 82724520 | others - case ring |
| 0354930 | others - winding stem |
| DZ0041B01 | others - crown and stem gasket |
| 04V03DGM | others - minute hand |
Caliber 1E20
