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29665215246, SBGC251
Powered by Caliber 9R86, this Spring Drive chronograph delivers state of the art precision in the measurement of time of day and elapsed time and yet has a quiet and refined aspect that belies its high functionality. The chronograph measures elapsed time up to 12 hours and the seconds hand moves in perfect, continuous and silent glide motion as it does so. The GMT hand allows time in another time zone to be shown exactly and the hour hand can be adjusted to a new zone without compromising the accuracy of the timekeeping. The case is in high intensity titanium, a material that is 30% lighter than steel and yet more impervious to scratches and corrosion. This is a chronograph of true authority. Exterior: Case Material: High-intensity titanium Case back: See-through & Screw case back Glass Material: Dual-curved sapphire crystal Glass Coating: Anti-reflective coating on inner surface LumiBrite: LumiBrite on hands, index(es) and bezel Case size: Diameter 45.3mm Lug-to-lug 52.6mm Thickness 15.8mm Band width: 23mm Clasp type: Three-fold clasp with push button release Movement: Caliber No: 9R86 Movement Type: Spring Drive Power reserve: Approx. 72 hours(3 days) Accuracy: +/-15 seconds per month (+/-1 second per day) Features: Water resistance: 10 bar Magnetic resistance: 4,800 A/m Rotating bezel Screw-down crown Allergy-safe metal 50 jewels 24-hour hand (dual time display function) Chronograph with 30 minutes & 12 hours Power reserve indicator Calendar-linked time difference adjustment function Grand Seiko Style #: SBGC251
