The Seiko 7N42-6100 is a watch model based on the 7N42 movement.
Parts List
| 290P03HN03 | crystal - crystal |
| 8K35A3SNW0 | crown - crown |
| FE298BAA1 | case back gasket - case back gasket |
| 86591935 | crystal gasket - plastic gasket for crystal |
| 86170500 | bezel gasket - plastic gasket for bezel |
| AD006BAA1 | pusher - button gasket |
| 4276JZ | band - band |
| 4276JZ-LKS | band - link |
| 4276JZ-BK2S | clasp - buckle |
| 4276JZ-PB1 | clasp - parts for buckle |
| 3BX125F5BNS | others - second hand |
| 82850970 | others - case ring |
| 7N42610061A | others - case |
| 82290339 | others - bezel |
| 7N426100 | others - case back |
| 7N423 | others - machine code |
| 7N426141XS13 | others - dial |
| A180BS | others - push pin |
| 0351892 | others - winding stem |
| 0878580 | others - date dial |
| 2AB120FDBSS | others - minute hand |
| 1AF080FABSS | others - hour hand |