Grand Seiko - GRAND SEIKO Evolution 9  Spring Drive Chronograph with GMT function SBGC251
Grand Seiko - GRAND SEIKO Evolution 9  Spring Drive Chronograph with GMT function SBGC251

GRAND SEIKO Evolution 9 Spring Drive Chronograph with GMT function SBGC251

Grand Seiko | 11'500 € Tax inc.

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Spring Drive Chronograph with GMT function

With a discreet and refined profile, this Spring Drive Chronograph with caliber 9R86 is highly functional and displays the time and elapsed time with exceptional accuracy.
 
The chronograph measures elapsed time up to 12 hours while the seconds hand glides continuously, silently and smoothly over the dial. The GMT hand allows the time in a second time zone to be read accurately and the hour hand can be set to a new time zone without compromising the accuracy of the timekeeping.
 
The case is made of high-intensity titanium, a material that is 30% lighter than steel but also more resistant to scratches and corrosion.
 
A chronograph with a strong impression of robustness.
 

Technical specifications

Case/Strap
Case front: High intensity titanium
Case back: See-through & Screw case back
Glass composition: Curved sapphire outside and curved inside
Glass coating: Anti-reflective coating on the inner surface
LumiBrite: Lumibrite on hands, indexes and bezel
Case size: Diameter 45.3mm Lug-to-lug 52.6mm Thickness 15.8mm
Band width: 23mm
Buckle type: Folding clasp with push-button opening
Band diameter: 197mm
 
Movement
Caliber: 9R86 User manuals
Movement type: Spring Drive
Power Reserve: Approximately 72 hours (3 days)
Accuracy: ± 1 second per day / ± 15 seconds per month (on average)
 
Other details
Water resistance: 10 bar
Magnetic resistance: 4,800 A/m
Weight: 140 g
Other details / Features:
Rotating bezel
Screw-in crown
Against an allergic reaction to metal
50 jewels
24 hour hand (dual time zone display function)
Chronograph with 30-minute cycle on 12 hours
Power reserve display
Time zone adjustment function linked to the calendar
 

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