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Grand Seiko Sport Collection
USD $5,450
Mastershop Model


A "Tough" limited edition GMT powered by 9F

Featuring Grand Seiko's distinct "Tough" Sport case design and highly accurate 9F86 GMT caliber, SBGN023 is the perfect grab-and-go watch for any adventure.

The stainless steel case features 20 bar of water resistance and has a magnetic resistance rating of 16,000 A/m (approx. 200 gauss), which is roughly three times the more common 4,800 A/m rating (60 gauss). The angular design of the case is highly ergonomic, and features an eye-catching blend of Zaratsu-polished and hairline-finished surfaces. 

The black dial features bold, highly legible elements, from the contrasting color details and date window at four o’clock, to the sizeable indexes, hands, and their respective use of Lumibrite—a long-lasting, proprietary luminous paint that ensures nighttime visibility. A black ceramic bezel marked with a 24-hour scale frames the dial .

Powering the watch is Caliber 9F86, quartz caliber with a GMT function, a robust build, and an impressive accuracy of +/-10 seconds a year.

SBGN023 is a limited edition of 2,021 pieces marking the 140th anniversary of Seiko’s founding in 1881. The case back of the limited edition carries the Grand Seiko emblem in 18k yellow gold and the watch’s individual serial number.

Case Material : Stainless Steel with ceramic bezel
Case Diameter : 40mm
Case Thickness : 13.7mm
Case Length : 46.8mm
Lug Width : 20mm
Crown : Screw-Down Crown
Strap/Bracelet : Stainless Steel w. three-fold clasp
Crystal : Sapphire
Caseback : Stainless Steel
Caliber : 9F86
Type : Quartz
Power Source : Battery
Jewels : 9
Accuracy : ± 10 seconds per year
Duration : 3 Year Battery
Features : Time
Water Resistance : 200m
Magentic Resistance : 40,000 A/m
SBGN023 has a black dial with golden color accents.
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