Grand Seiko Evolution 9 Chronograph GMT – 45.3 mm

Reference Number
SBGC251G

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.

TECHNICAL SPECIFICATIONS

Exterior
Exterior: 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
The perimeter of Band: 197mm

Movement
Caliber no.: 9R86 Instructions
Movement Type: Spring Drive
Power reserve: Approx. 72 hours(3 days)
Accuracy: ±15 seconds per month (±1 second per day)

Functions
Water resistance: 10 bar
Magnetic resistance: 4,800 A/m
Weight: 140 g

Other details / Features:
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