The Seiko 4N00-7120 is a watch model based on the 4N00 movement.
Parts List
| BA3A19JN02 | crystal - crystal |
| 6M35E5NNG0 | crown - crown |
| 6M35E5NNW1 | crown - crown |
| 0H1900B01 | case back gasket - case back gasket |
| 4862AZ | band - band |
| 4862JZ | band - band |
| 4864JZ | band - metal band |
| 4864KZ | band - band |
| 4862AZ-LK2 | band - link |
| 4862JZ-LK2 | band - link |
| 4864AZ-LK2 | band - link |
| 4864BZ-LK4 | band - link |
| 4864JZ-LK2 | band - link |
| 4864KZ-LK4 | band - link |
| 4864AZ | band - band |
| 4864BZ | band - band |
| 4864BZ-BKN | clasp - buckle |
| 4864AZ-BKF | clasp - buckle |
| 4862JZ-BKF | clasp - buckle |
| 4864JZ-BKF | clasp - buckle |
| 4864KZ-BKN | clasp - buckle |
| 4862AZ-BKF | clasp - buckle |
| 1CE027L0BDS | others - hour hand |
| 2CE040L0BDG | others - minute hand |
| 2CE040L0BDS | others - minute hand |
| 1CE027L0BDG | others - hour hand |
| 0351155 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81190875 | others - bracelet fixing pipe |
| 4N00712011A | others - case |
| 82844050 | others - case ring |
| 4N007120 | others - case back |
| 4N00712011B | others - case |
| 4N00712025A | others - case |
| 4N00712025B | others - case |
| DZ0040B01 | others - crown and stem gasket |
| 4N005710XB13 | others - dial |
| 4N005710XL13 | others - dial |
| 4N005710XS13 | others - dial |
| 4N005710XS14 | others - dial |
| 4N005711XB13 | others - dial |
| 4N005711XL13 | others - dial |
| 4N005711XS13 | others - dial |
| 4N005711XS14 | others - dial |
| 4N0061 | others - machine code |