The Seiko 7N42-7B70 is a watch model based on the 7N42 movement.
Parts List
| 290PX5JN03 | crystal - crystal |
| 1E50B8SNG0 | crown - crown |
| 1E50B8SNW1 | crown - crown |
| FE308BAD2 | case back gasket - case back gasket |
| 86565320 | crystal gasket - plastic gasket for crystal |
| 0G315BA11 | bezel gasket - rotating bezel gasket |
| 49P5JY | band - band |
| 49P5LY | band - band |
| 49P5JY-LK2 | band - link |
| 49P5LY-LK2 | band - link |
| 49P5LY-PB1 | clasp - parts for buckle |
| 49P5JY-PB1 | clasp - parts for buckle |
| 49P5JY-BKE | clasp - buckle |
| 49P5LY-BKE | clasp - buckle |
| 1AX075FPBE1 | others - hour hand |
| 2AH115F0BEG | others - minute hand |
| 2AH115F0BES | others - minute hand |
| 1AX075FPBEG | others - hour hand |
| 3AX130F0AES | others - second hand |
| 3AX130F0AEG | others - second hand |
| 0F015BAD1 | others - crown and stem gasket |
| 81332899 | others - bezel spring |
| 0878580 | others - date dial |
| 7N427B7002 | others - case |
| 82357885 | others - rotating bezel |
| 82824420 | others - case ring |
| 7N427B7001 | others - case |
| 82357884 | others - rotating bezel |
| 7N427B70 | others - case back |
| 7N423 | others - machine code |
| 7N427D38XB13 | others - dial |
| 7N427D38XS14 | others - dial |
| 84319444 | others - dial ring |
| 84319445 | others - dial ring |
| S200BS | others - push pin |
| 49P5LY-EP1 | others - endpiece |
| 89995390 | others - pusher spacer |