The Seiko 1N01-K977 is a watch model based on the 1N01 movement.
Parts List
| AKQK401-PKB | case back gasket - gasket |
| AKQK402-PKB | case back gasket - gasket |
| AKQK403-PKB | case back gasket - gasket |
| AKQK404-PKB | case back gasket - gasket |
| AKQK601-PKB | case back gasket - gasket |
| KN518X | band - leather band |
| KN519X | band - leather band |
| KN520X | band - leather band |
| KN521X | band - leather band |
| XSB3313L | others - push pin |
Caliber 1N01
