The Seiko 7N43-7121 is a watch model based on the 7N43 movement.
Parts List
| 280P02HN03 | crystal - crystal |
| 40E11NS1 | crown - crown |
| FE298BAA1 | case back gasket - case back gasket |
| 86581430 | crystal gasket |
| 86581435 | crystal gasket |
| 86561970 | bezel gasket - plastic gasket for bezel |
| AD006BAA1 | pusher - button gasket |
| LOCAL | band - band |
| 2AB115FBBSS | others - minute hand |
| 1AB075FEBSS | others - hour hand |
| 82850970 | others - case ring |
| 7N43712187A | others - case |
| 82290792 | others - bezel |
| 7N437121 | others - case back |
| 0878587 | others - date dial |
| 7N433 | others - machine code |
| 7N437221XB13 | others - dial |
| 7N43722MXB13 | others - dial |
| A180BS | others - push pin |
| 0351892 | others - winding stem |
| 3AX125F3ALS | others - second hand |
| 3AX125F3ASS | others - second hand |
| 2AB115FBBLS | others - minute hand |
| 1AB075FEBLS | others - hour hand |