13/10 Grand Seiko references Vintage Grand Seiko 4420B 4420-9990 44GS Grand Seiko 4420-9990 Continue Reading
13/10 Grand Seiko references Vintage Grand Seiko 4420B 4420-9000 late dial 44GS Grand Seiko 4420-9000, late dial Continue Reading
13/10 Grand Seiko references Vintage Grand Seiko 4420B 4420-9000 early dial 44GS Grand Seiko 4420-9990, early dial Continue Reading