The Seiko V742-8120 is a watch model based on the V742 movement.
Parts List
| 280P03LN03 | crystal - crystal |
| 8E45A0SNW1 | crown - crown |
| FE308BAD2 | case back gasket - case back gasket |
| 86620530 | crystal gasket - plastic gasket for crystal |
| 86620535 | crystal gasket - plastic gasket for crystal |
| 4950JZ | band - band |
| 2AX120FBBSS | others - minute hand |
| 1AX080FKBSS | others - hour hand |
| 82851310 | others - case ring |
| V7428120 | others - case back |
| V742812061B | others - case |
| 0878580 | others - date dial |
| A200BS | others - push pin |
| V7423 | others - machine code |
| V7427001XB13 | others - dial |
| V7427001XL13 | others - dial |
| V7427001XS1Z | others - dial |
| V742812061A | others - case |
| 0A0150B0A | others - crown and stem gasket |
| 89995390 | others - pusher spacer |
| 3AX125F3ASR | others - second hand |
| 3AX125F3ASS | others - second hand |