The Seiko 2E20-7270 is a watch model based on the 2E20 movement.
Parts List
| SA1A99JN03 | crystal - crystal |
| SA1A99JN | crystal |
| 6M30B9NNG0 | crown - crown |
| 6M30B9NN | crown |
| 6M30B9NNGO | crown |
| 0F130BA1S | case back gasket - case back gasket |
| DZ0040B0 | case back gasket |
| 43G0MZ | band - band |
| 43G0LZ | band - band |
| 43G0DZ | band - band |
| 43G0KZ | band - band |
| 43G0BZ | band - band |
| 43G0CZ | band - band |
| 43G0BZ-LKG | band - link |
| 43G0CZ-LKG | band - link |
| 43G0DZ-LKG | band - link |
| 43G0KZ-LKG | band - link |
| 43G0LZ-LKG | band - link |
| 43G0MZ-LKG | band - link |
| 43G0DZ-BK4S | clasp - buckle |
| 43G0CZ-BK4S | clasp - buckle |
| 43G0BZ-BK4G | clasp - buckle |
| 43G0MZ-BK4S | clasp - buckle |
| 43G0LZ-BK4S | clasp - buckle |
| 43G0KZ-BK4G | clasp - buckle |
| 2EE037LABDG | others - minute hand |
| 2CE037L0BDG | others - minute hand |
| 0351205 | others - winding stem |
| 0351207 | others - winding stem |
| 1CE027L0BDG | others - hour hand |
| 2E20727075A | others - case |
| 82872530 | others - case ring |
| 2E207270 | others - case back |
| 2E20727075C | others - case |
| DZ0040B01 | others - crown and stem gasket |
| 2E2072707HC | others - case |
| 2E2072707HA | others - case |
| 2E202850XS14 | others - dial |
| 2E202850XS24 | others - dial |
| 2E202851XS14 | others - dial |
| 2E202851XS24 | others - dial |
| 2E202860XG14 | others - dial |
| 2E202860XN14 | others - dial |
| 2E202861XG14 | others - dial |
| 2E202861XN14 | others - dial |
| 2E2062 | others - machine code |
| T070BS | others - push pin |
Caliber 2E20
