SBGE005 equipped with a GMT hand, that 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.

Movement 
Spring Drive GMT
Caliber 9R66 
Accuracy: ±1 second per day (±15 seconds per month)
Power Reserve: 72 hours

Exterior
Case Material: Stainless steel
Glass: Dual-curved sapphire crystal with Anti-Reflective Coating
Dial Color: White textured dial
Indexes: Applied
Case size: Thickness 13.8 mm, Diameter 41 mm
Strap/Bracelet: Stainless steel with three-fold clasp with push button release

Other Details 
Water Resistance 20Bar
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
Screw case back
Screw-down crown
30 jewels

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