The Seiko 2E20-7310 is a watch model based on the 2E20 movement.
Parts List
| BA2A17JN02 | crystal - crystal |
| 35MX7NN1 | crown - crown |
| 35MX7NS1 | crown - crown |
| 6M35D1SNG0 | crown - crown |
| 6M35D1SNG1 | crown - crown |
| 6M35D1SNW0 | crown - crown |
| 35MX7NA1 | crown - crown |
| 35MX7NA4 | crown - crown |
| 35MX7NT1 | crown - crown |
| 0F140BA1S | case back gasket - case back gasket |
| D0L2AQ | band - band |
| D0L2BQ | band - band |
| D0L3AQ | band - band |
| W220DB | band - band |
| D0L3FQ | band - band |
| D0L2AQ-LK00 | band - link |
| D0L2BQ-LK00 | band - link |
| D0L3AQ-LK00 | band - link |
| D0L3AQ-BK00 | clasp - clasp |
| D0L2BQ-BK00 | clasp - clasp |
| D0L2AQ-BK00 | clasp - clasp |
| 2EA035A3BNG | others - minute hand |
| 1CA022A3BNS | others - hour hand |
| 81606439 | others - bracelet fixing pin |
| 81190875 | others - bracelet fixing pipe |
| 81607539 | others - bracelet fixing pin |
| 81190155 | others - bracelet fixing pipe |
| 0351207 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 2E20731071A | others - case |
| 82873710 | others - case ring |
| 2E207310 | others - case back |
| 2E20731075A | others - case |
| 2E20731075B | others - case |
| 2E2073107EA | others - case |
| 2E2073107EB | others - case |
| 2E202940XG14 | others - dial |
| 2E202940XS13 | others - dial |
| 2E202940XS24 | others - dial |
| 2E203410XG13 | others - dial |
| 2E203410XL13 | others - dial |
| 2E203410XZ13 | others - dial |
| 2E2062 | others - machine code |
| D0L2AQ-BKSC | others - safety chain |
| D0L2AQ-LKPN | others - pin for link |
| D0L2BQ-BKSC | others - safety chain |
| D0L2BQ-LKPN | others - pin for link |
| 2EA035A3BNS | others - minute hand |
| 1CA022A3BNG | others - hour hand |
Caliber 2E20
