The Seiko 2E20-7120 is a watch model based on the 2E20 movement.
Parts List
| BA1A69JN02 | crystal - crystal |
| 6M30B9SNW0 | crown - crown |
| 6M30B9NNG0 | crown - crown |
| 6M30B9SNG0 | crown - crown |
| 6M30D1SNG1 | crown - crown |
| 0F160BA1S | case back gasket - case back gasket |
| 0F150BAA5 | case back gasket - case back gasket |
| D088AQ | band - band |
| D088BQ | band - band |
| D088FQ | band - band |
| D088AQ-LK00 | band - link |
| D088BQ-LK00 | band - link |
| D088AQ-BK00 | clasp - clasp |
| 1CH027A1BNG | others - hour hand |
| 1CH027A1BNS | others - hour hand |
| 2EH040A1BNG | others - minute hand |
| 2EH040A1BNS | others - minute hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351205 | others - winding stem |
| 2E20712075A | others - case |
| 82870270 | others - case ring |
| 2E207120 | others - case back |
| 2E20712075B | others - case |
| 2E2071207EA | others - case |
| 2E202630XS13 | others - dial |
| 2E202630XS24 | others - dial |
| 2E202630XS34 | others - dial |
| 2E2062 | others - machine code |
| B080BS | others - push pin |
Caliber 2E20
