The Seiko 7N42-F100 is a watch model based on the 7N42 movement.
Parts List
| 310PF2TN01 | crystal - crystal |
| 8E45AFTNG0 | crown - crown |
| 8E45AFTJW0 | crown - crown |
| 8E45AFTJG0 | crown |
| 0C350BA1F | case back gasket - case back gasket |
| 86179152 | crystal gasket - plastic gasket for crystal |
| 43E3LB | band - band |
| 43E3JB | band - band |
| 43E3LB-LKG | band - link |
| 43E3JB-LKG | band - link |
| 43E3LB-BK2G | clasp - buckle |
| 43E3LB-PB1 | clasp - parts for buckle |
| 43E3JB-BK2G | clasp - buckle |
| 43E3JB-PB1 | clasp - parts for buckle |
| 3BX120FZBLA | others - second hand |
| 2AB120FLBLG | others - minute hand |
| 2AB120FLBLA | others - minute hand |
| 1AB080FLBLG | others - hour hand |
| 1AB080FLBLA | others - hour hand |
| 0351892 | others - winding stem |
| 7N42F100U9A | others - case |
| 8601F056 | others - rotating bezel |
| 8270F500 | others - case ring |
| 7N42F100 | others - case back |
| 7N42F100WFA | others - case |
| 8601F055 | others - rotating bezel |
| 0878587 | others - date dial |
| 0878589 | others - date dial |
| 43E3JB-EPG | others - endpiece |
| 43E3LB-EPG | others - endpiece |
| 7N42F13LXL14 | others - dial |
| 7N42F13LXN13 | others - dial |
| 8133F030 | others - click pin |
| 84327284 | others - dial ring |
| 84327285 | others - dial ring |
| A220CS | others - push pin |