The Seiko 7N42-0DS0 is a watch model based on the 7N42 movement.
Parts List
| 290PX5HN02 | crystal - crystal (inorganic) |
| 8K45F8SNG1 | crown - crown |
| 8K45F8SNW1 | crown - crown (3h) |
| FE308BAD2 | case back gasket - case back gasket |
| 86565321 | crystal gasket - plastic gasket for crystal |
| 86565320 | crystal gasket - plastic gasket for crystal |
| 86584040 | bezel gasket - case back gasket |
| 35Q4JE | band - metal band |
| 35Q4LE | band - metal band |
| 35Q4NE | band - metal band |
| 35Q5JE | band - metal band |
| 35Q4JE-LK | band - link |
| 35Q4LE-LK | band - link |
| 35Q5JE-LK | band - link |
| 35Q4NE-LK | band - link |
| 35Q4NE-PB | clasp - parts for buckle/clasp |
| 35Q5JE-BK | clasp - clasp |
| 35Q5JE-PB | clasp - parts for buckle/clasp |
| 35Q4LE-PB | clasp - parts for buckle/clasp |
| 35Q4NE-BK | clasp - clasp |
| 35Q4JE-PB | clasp - parts for buckle/clasp |
| 35Q4LE-BK | clasp - clasp |
| 35Q4JE-BK | clasp - clasp |
| 2AE115LABEJ | others - minute hand |
| 2AE115LABEK | others - minute hand |
| 3AX125F3AEG | others - second hand |
| 3AX125F3AES | others - second hand |
| 1AE075LBBES | others - hour hand |
| 1AE075LBBEG | others - hour hand |
| 7N420DS0 | others - case back |
| 7N420DS001A | others - case |
| 7N420DS002A | others - case |
| 7N420DS003A | others - case |
| 7N420DS004A | others - case |
| 7N420DS005A | others - case |
| 7N420DS006A | others - case |
| 87331601 | others - bezel |
| 87331604 | others - bezel |
| 87331609 | others - bezel |
| 0878580 | others - date dial |
| AD006BAD1 | others - crown and stem gasket |
| 0351892 | others - winding stem |
| 81190075 | others - bracelet fixing pipe |
| 81607699 | others - bracelet fixing pin |
| 82737920 | others - case ring |
| 35Q4JE-EP | others - endpiece |
| 35Q4LE-EP | others - endpiece |
| 35Q4NE-EP | others - endpiece |
| 7N420GB0X913 | others - dial |
| 7N420GB0X923 | others - dial |
| 7N420GB0XS13 | others - dial |
| 7N420GB0XS24 | others - dial |
| 7N423 | others - machine code |
| 84381784 | others - dial ring |
| 84381785 | others - dial ring |
| 84381786 | others - dial ring |
| 84381787 | others - dial ring |
| 35Q5JE-EP | others - endpiece |