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Factory Warranty
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Trusted Amongst Our Clients
Customer Service
U.S. Based, Full-Time Customer Service Team
Product Description
Overview
Reference
SBGE257
Case Size
40.5 mm
Case Height
14.7 mm
Lug To Lug
48.7 mm
Lug Width
20 mm
Water Resistance
200m
Movement
Spring Drive
Style
GMT
Collection
Sport
Case
Bezel
Ceramic
Case Back
Stainless steel
Case Material
Stainless steel
Clasp / Buckle
Three-fold clasp
Crown
Screw Down
Crystal
Dual curve sapphire crystal
Attachment Type
Bracelet
Dial Color
Green
Lume
Lumibrite On Hands And Index(Es)
Strap / Bracelet Material
Stainless steel bracelet
Movement
Accuracy
±1 sec/day / ±15 secs/month
Caliber
9R66
Functions
Power reserve indicator, dual time function with 24-hour hand, quick correction function of time difference adjusting to a calendar
Jewels
30 Jewels
Movement
Spring Drive
Power Reserve
72 Hours
Brand History
Grand Seiko
Beginning with just a single model back in 1960, Grand Seiko has a long-established history of eye-catching elegant design, best-in-class finishing, and industry-shaking movement technology. One of the only vertically integrated watchmakers on the market, Grand Seiko upholds true Japanese engineering excellence with every crafted piece, down to growing its own sapphire crystals to protect the stunning dials.
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