Grand Seiko Spring Drive Power Reserve SBGA285 Casio G-Shock Ana-Digital GA100BY-1A Case: High-intensity titanium with black

Case: High-intensity titanium with black hard coating with ceramic bezel

Time-calibration (auto

Since its foundation in 1930

Power Reserve : 60-hour power reserve

Grand Seiko Spring Drive Power Reserve SBGA285 Casio G-Shock Ana-Digital GA100BY-1A Case: High-intensity titanium with blackGrand Seiko Spring Drive Power Reserve SBGA285 Long time a watch collectors item, the Grand Seiko has been revered as one of the finest watches that Japan produces. Until now, obtaining a Grand Seiko proved difficult for many watch collectors, the watch was only available in Japan, necessitating a trip to Japan to purchase one, or turning to the used watch market to secure one themselves. For the first time ever, SEIKO is making the Grand Seiko line