The Seiko 7N42-6B10 is a watch model based on the 7N42 movement.
Parts List
| 280P03TNC3 | crystal |
| 40M78NS1 | crown - crown |
| 40M78NA1 | crown - crown |
| FH2980B0A | case back gasket - case back gasket |
| 86177921 | crystal gasket - plastic gasket for crystal |
| 86178690 | bezel gasket - plastic gasket for bezel |
| 43P9JQ | band - metallband |
| 43P9LQ | band - metal band |
| 43P9JQ-LKG | band - link |
| 43P9LQ-LKG | band - link |
| 43P9JQ-BK2S | clasp - buckle |
| 43P9JQ-PB1 | clasp - parts for buckle |
| 43P9LQ-BK2S | clasp - buckle |
| 43P9LQ-PB1 | clasp - parts for buckle |
| 3AX130F0ASS | others - second hand |
| 3AX130F0ASG | others - second hand |
| 1AB080AEBSS | others - hour hand |
| 2AB115AFBSS | others - minute hand |
| 1AB080AEBSG | others - hour hand |
| 2AB115AFBSG | others - minute hand |
| 0351892 | others - winding stem |
| 81604259 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 82830140 | others - case ring |
| 7N426B1087X | others - case |
| 82289222 | others - bezel |
| 7N426B10 | others - case back |
| 0878580 | others - date dial |
| 0878587 | others - date dial |
| 7N426B1087Y | others - case |
| 7N426B1087Z | others - case |
| 7N426B1098Z | others - case |
| 82289221 | others - bezel |
| 7N423 | others - machine code |
| 7N426B78XL13 | others - dial |
| 7N426B78XS13 | others - dial |
| 7N426B78XS24 | others - dial |
| 7N426B78XS33 | others - dial |
| 84325203 | others - dial ring |
| 84325204 | others - dial ring |
| 84325206 | others - dial ring |
| 0Z0060B01 | others - crown and stem gasket |