The Seiko 1N01-0HRA is a watch model based on the 1N01 movement.
Parts List
| 200A31SN02 | crystal - crystal (sapphire) |
| 6K35C8SNW1 | crown - crown (3h) |
| 0F190BAD2 | case back gasket - case back gasket |
| D331AB | band - band |
| D331AB-LK00 | band - link |
| D331AB-BK00 | clasp - clasp |
| D331AB-BKLK-12H | clasp - parts for buckle/clasp |
| D331AB-BKLK-6H | clasp - parts for buckle/clasp |
| 1BG052L2BDS | others - hour hand |
| 2BG080L2BDS | others - minute hand |
| 3BA100F0BNS | others - second hand |
| D331AB-LKPN | others - pin for link |
| S130BS | others - push pin |
| D331AB-BKPN | others - pin for buckle/clasp |
| D331AB-BKPP | others - spring bar for buckle/clasp |
| D331AB-EP00 | others - endpiece |
| 1N010HRA01A | others - case |
| 1N010HRA | others - case back |
| 1N010RK0XA13 | others - dial |
| 1N019 | others - machine code |
| 0351807 | others - winding stem |
| AC004BAD1 | others - crown and stem gasket |
| 82823140 | others - case ring |
Caliber 1N01
