The Seiko 7N42-8050 is a watch model based on the 7N42 movement.
Parts List
| 290P02SN03 | crystal - crystal |
| 8M35A0NNG2 | crown - crown |
| 8M35A0NNG9 | crown |
| 8M35A0SNW1 | crown - crown |
| OF240BAA3 | case back gasket |
| 0F240BAA3 | case back gasket - case back gasket |
| 8659-1935 | crystal gasket |
| 86591935 | crystal gasket - plastic gasket for crystal |
| 86170500 | bezel gasket - plastic gasket for bezel |
| 4061JB | band - metal band |
| 4061KB | band - metal band |
| 4061LB | band - metal band |
| 4061KB-LKG | band - link |
| LOCAL | band - band |
| 4061LB-LKG | band - link |
| 4061RB | band - metal band |
| 4061SB | band - metal band |
| 4B00KB | band - leather band |
| 4B00RB | band - leather band |
| 4061KB-PB1 | clasp - parts for buckle/clasp |
| 4061LB-BK1S | clasp - buckle |
| 4061LB-PB1 | clasp - parts for buckle |
| 4061KB-BK1G | clasp - clasp |
| 3AA125F1ANG | others - second hand |
| 2AC115A1BAA | others - minute hand |
| A-Welle | others |
| 0351892 | others - winding stem |
| 82850970 | others - case ring |
| 7N42805098A | others - case |
| 82283151 | others - bezel |
| 7N423 | others - machine code |
| 7N428050 | others - case back |
| 7N42805061A | others - case |
| 7N42805075A | others - case |
| 7N42805075M | others - case |
| 7N42805098M | others - case |
| 7N428060XB13 | others - dial |
| 7N428060XG14 | others - dial |
| 7N428060XS13 | others - dial |
| 7N428060XS14 | others - dial |
| 7N428070XS14 | others - dial |
| 82283158 | others - bezel |
| 82283159 | others - bezel |
| A180BS | others - push pin |
| 0878580 | others - date dial |
| 0878587 | others - date dial |
| 0878588 | others - date dial |
| 4061LB-EPG | others - endpiece |
| AD006BA12 | others - crown gasket |
| 1AC080A1BAA | others - hour hand |