The Seiko 7N42-7129 is a watch model based on the 7N42 movement.
Parts List
| 270P03TNC3 | crystal - crystal |
| 270P03TN03 | crystal - crystal |
| 8K50A0SNG1 | crown - crown |
| FE318BAA3 | case back gasket - case back gasket |
| 86583915 | crystal gasket - plastic gasket for crystal |
| 86583910 | crystal gasket - plastic gasket for crystal |
| 86589630 | bezel gasket - plastic gasket for bezel |
| 43R2XQ | band - metal band |
| 4F51XB | band - band |
| 43R3YQ | band - metal band |
| LOCAL | band - band |
| 43R2YQ | band - metal band |
| 43R2XQ-LKG | band - link |
| 43R2YQ-LKG | band - link |
| 43R3YQ-LKG | band - link |
| 43R2YQ-BK7G | clasp - buckle |
| 43R2YQ-PB1 | clasp - parts for buckle |
| 43R2XQ-BK7G | clasp - buckle |
| 43R2XQ-PB1 | clasp - parts for buckle |
| 43R3YQ-BK7G | clasp - buckle |
| 43R3YQ-PB1 | clasp - parts for buckle |
| 3AX110FFASG | others - second hand |
| 1BB075MABSG | others - hour hand |
| 2AB105LBBTG | others - minute hand |
| 1AB075LCBTG | others - hour hand |
| 2AB110L2BSG | others - minute hand |
| 0351892 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81190075 | others - bracelet fixing pipe |
| 7N42712975B | others - case |
| 82291776 | others - bezel |
| 81606299 | others - bracelet fixing pin |
| 82862330 | others - case ring |
| 7N42712975A | others - case |
| 82291771 | others - bezel |
| 7N427129 | others - case back |
| 7N427129SAB | others - case |
| 0878589 | others - date dial |
| 0878619 | others - date dial |
| 0878620 | others - date dial |
| 7N427129SAA | others - case |
| 82291775 | others - bezel |
| 7N423 | others - machine code |
| 7N427321XB14 | others - dial |
| 7N427321XL14 | others - dial |
| 7N427321XN14 | others - dial |
| 7N427331XN14 | others - dial |
| 0Z0060B01 | others - crown and stem gasket |