Grand Seiko Sport Collection 9R Spring Drive GMT SBGE257
Grand Seiko Sport Collection 9R Spring Drive GMT SBGE 257G
SBGE257G is the Spring Drive GMT for the next generation.
The Grand Seiko Sport Collection SBGE257 equipped with a GMT hand, that features Grand Seiko’s unique 9R66 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.
Movement Spring Drive GMT Caliber: 9R66 Accuracy: ±1 second per day (±15 seconds per month) Power Reserve: 72 hours
Exterior Case Material: Stainless steel with ceramic bezel Glass Material: Dual-curved sapphire crystal Glass Coating: Anti-Reflective Coating on inner surface LumiBrite : Lumibrite on hands and indexes Dial Color: Green Case size: Thickness 14.7 mm, Diameter 40.5 mm Clasp type : Three-fold clasp with push button release
Other Details Water Resistance: 20Bar Magnetic resistance : Magnetic resistance Power reserve display function, Dual time function with 24-hour display Functions: Hours, minutes, seconds, GMT 24-hour hand (dual time display function) Calendar-linked time difference adjustment function Case back with lion emblem Date display Power reserve display Rotating bezel (24-hour display) Screw case back Screw-down crown Stop second hand function 30 jewels