The Seiko 2E20-525B is a watch model based on the 2E20 movement.
Parts List
| REBN51JM02 | crystal |
| REBN51JM | crystal |
| 30N63NS1 | crown |
| 30ND3NS1 | crown |
| 0F150NA11 | case back gasket - case back gasket |
| DZ0040B0 | case back gasket |
| 0F150NA1 | case back gasket |
| B5255S | band |
| B5255S-BK3S | clasp - clasp |
| 04L07DZH | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 2E200360XS13 | others - dial |
| 2E20525A | others - case back |
| 2E20525B2E | others - case |
| 82719610 | others - case ring |
| B5255S-EP2 | others - endpiece |
| 04V07DZM | others - minute hand |
| 1CA027A3BNS | others - hour hand |
| 2EA040A3BDS | others - minute hand |
Caliber 2E20
