The Seiko 7N42-8140 is a watch model based on the 7N42 movement.
Parts List
| 290P02SN05 | crystal - crystal |
| 45E41NA1 | crown - crown |
| 45E41NY1 | crown - crown |
| FE318BAA3 | case back gasket - case back gasket |
| 86620310 | crystal gasket - plastic gasket for crystal |
| 86620315 | crystal gasket - plastic gasket for crystal |
| 86565321 | crystal gasket - plastic gasket for crystal |
| 86565320 | crystal gasket - plastic gasket for crystal |
| 86620430 | bezel gasket - plastic gasket for bezel |
| 86179271 | bezel gasket - plastic gasket for bezel |
| AD006BAA1 | pusher - button gasket |
| 44Y9JB | band - band |
| 44Y9LB | band - band |
| 44Y9JB-LK3 | band - link |
| 44Y9LB-LK5 | band - link |
| 44Y9JB-BKL | clasp - buckle |
| 44Y9JB-PB1 | clasp - parts for buckle |
| 44Y9LB-BKL | clasp - buckle |
| 44Y9LB-PB1 | clasp - parts for buckle |
| 2AB115LEBSS | others - minute hand |
| 1AB080LDBSS | others - hour hand |
| 1AB080LDBSG | others - hour hand |
| 2AB115LEBSG | others - minute hand |
| 0351892 | others - winding stem |
| 82862330 | others - case ring |
| 7N428140SQA | others - case |
| 82410917 | others - bezel |
| 7N428140 | others - case back |
| 7N428140SUB | others - case |
| 7N428140U8A | others - case |
| 82410915 | others - bezel |
| 0878580 | others - date dial |
| 0878587 | others - date dial |
| 0878589 | others - date dial |
| 44Y9JB-EP1 | others - endpiece |
| 7N428140SUA | others - case |
| 82410916 | others - bezel |
| 44Y9LB-EP1 | others - endpiece |
| 7N423 | others - machine code |
| 7N428251XB13 | others - dial |
| 7N428251XL14 | others - dial |
| 7N428251XN14 | others - dial |
| 7N428261XL13 | others - dial |
| A180BS | others - push pin |
| 3AX125F3ASG | others - second hand |
| 2AX112FABSS | others - minute hand |
| 1AX077FCBSS | others - hour hand |
| 3AX125F3ASS | others - second hand |