Grand Seiko Sport GMT 39mm
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The Grand Seiko SBGN029G combines the elite precision of the 9F86 quartz GMT movement with robust, travel-ready functionality. With an accuracy of ±10 seconds per year, the watch allows seamless local time adjustment without halting timekeeping—a perfect companion for frequent flyers. The navy blue dial features a dynamic radial pattern, complemented by a 24-hour bezel and a bold, legible GMT hand. A hairline-finished case, three-link bracelet, and 20 bar water resistance complete this refined yet durable timepiece, engineered for performance in any environment.
Grand Seiko Watch Warranty
The period of the Grand Seiko worldwide warranty is five years from the date of purchase.
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Shipping & Returns
Free FEDEX overnight shipping on all Grand Seiko watches. Our return policy is 10 days for your money back, or 30 days to exchange.
Technical information about this watch
Grand Seiko Sport GMT 39mm

200M / 20 ATM water resistance
Water resistance indicates a watch's ability to withstand moisture and water. Ratings are measured in metres (M) or atmospheres (ATM). For instance, 30M (3 ATM) is suitable for light splashes, while 100M (10 ATM) and above are ideal for swimming and diving. Regular maintenance helps retain water resistance over time.

GS Calibre 9F86 Quartz (battery-powered)

39mm case size
Case size, measured in millimetres (mm), impacts the watch's look and fit. Men's watches typically range from 38mm to 46mm, and women's from 26mm to 36mm. Larger cases make a bold statement, while smaller cases offer a classic look. Choosing the right size ensures comfort and style.

Approx. 3 years power reserve
Power reserve is the duration a watch runs on a full wind or charge. Mechanical watches usually offer 40 to 80 hours, with some extending to several days. Quartz watches, powered by batteries, last several years. Knowing the power reserve helps maintain accurate timekeeping.
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