The Seiko 7N42-0DR0 is a watch model based on the 7N42 movement.
Parts List
| 280A15JN02 | crystal - crystal (inorganic) |
| 8M40C7SNG0 | crown - crown (3h) |
| 8M40C7SNS0 | crown - crown |
| 0F260BA1S | case back gasket - case back gasket |
| 35M4JE | band - metal band |
| 35M4JE-LK | band - link |
| 35M4JE-BK | clasp - buckle |
| 35M4JE-PB | clasp - parts for buckle |
| 3AA125F6ANG | others - hand |
| 2AE110L0BNG | others - minute hand |
| 2AE110L0BNS | others - minute hand |
| 1AE075L0BNG | others - hour hand |
| 1AE075L0BNS | others - hour hand |
| 7N420DR0 | others - case back |
| 7N420DR001A | others - case |
| 7N420DR002A | others - case |
| A110BS | others - push pin (for mb) |
| 0878580 | others - date dial |
| 0351892 | others - winding stem |
| 7N420FZ0XB13 | others - dial |
| 7N420FZ0XS13 | others - dial |
| 7N420FZ0XS24 | others - dial |
| 7N420GA0XB13 | others - dial |
| 7N420GA0XL13 | others - dial |
| 7N420GA0XS13 | others - dial |
| 7N420GA0XS23 | others - dial |
| 7N423 | others - machine code |
| AC006BAD1 | others - crown and stem gasket |
| 82738200 | others - case ring |
| 3AA125F6ANS | others - second hand |