The Seiko 1N01-0HT0 is a watch model based on the 1N01 movement.
Parts List
| ES0AF4JB0B | crystal - crystal (inorganic) |
| 6M35D0SNG4 | crown - crown (3h) |
| 0E120BA1S | case back gasket - case back gasket(lower) |
| 0F210BA1S | case back gasket - case back gasket |
| FJ10KZ | band - band |
| 3BA080F2BNP | others - second hand |
| 1BC040S0BDP | others - hour hand |
| 2BC060S2BDP | others - minute hand |
| 1N010HT0 | others - case back |
| 1N010PK4XS19 | others - dial |
| 1N013 | others - machine code |
| 81390029 | others - click spring |
| 84357647 | others - dial ring |
| 85026389 | others - protector |
| 89870989 | others - click ball |
| 81510369 | others - case back screw |
| 82799560 | others - case ring |
| 84609589 | others - case back(lower) |
| 81180249 | others - bracelet fixing pipe |
| 81604939 | others - bracelet fixing pin |
| 0351807 | others - winding stem |
| DB004BAD1 | others - crown and stem gasket |
| 1N010HT002C | others - case |
Caliber 1N01
