The Seiko 7N01-635A is a watch model based on the 7N01 movement.
Parts List
| 250P03HN03 | crystal - crystal |
| 35E05NA1 | crown - crown |
| 0F230BAA5 | case back gasket - case back gasket |
| 86588816 | crystal gasket - plastic gasket for crystal |
| AD006BAA1 | pusher - button gasket |
| 0351890 | others - winding stem |
| 1AB070LCBDG | others - hour hand |
| 82815950 | others - case ring |
| 7N010 | others - machine code |
| 7N01635A | others - case back |
| 7N01635ASA | others - case |
| 7N016560XG14 | others - dial |
| 7N016560XL14 | others - dial |
| A170CS | others - push pin |
| 2AB100LBBDG | others - minute hand |
| 3BA100F1BNG | others - second hand |