Caliber 9R66 Spring Drive
Power Reserve, GMT, Hours, minutes, seconds, date
40.5mm × 14.7mm Stainless steel, water resistance: 200m, Ceramic Bezel
Grand Seiko GMT SBGE255
A Spring Drive GMT for the next generation!
Equipped with a GMT hand, this watch features Grand Seiko’s unique Spring Drive caliber, which combines the motive force of a mainspring with the high precision of a quartz watch.
Housed in a water-resistant stainless steel case with ceramic bezel, a 24-hour GMT hand and Lumibrite indices for exceptional precision and legibility complemented by the smooth motion glide of Spring Drive.