Grand Seiko

GMT Moss SBGE257

Reference Number :

SBGE257

Series : Sport

Retail: $6,500

(As of: 02/2025)

This watch is not for sale, this page is just for reference purposes only. If you would like to purchase this watch, please contact Grand Seiko. If you are interested in selling this watch to us, you can contact us here.

Quick TakeDive into the Grand Seiko Sport Spring Drive GMT SBGE257, a watch that’s more than a mere timekeeper, it's a trusty companion for the world-wise adventurer. The moss green dial is a nod to the natural beauty and deep heritage of Japan. This isn’t just a color, it's a statement of serenity and resilience, mirroring the tranquil yet enduring spirit of ancient moss-covered gardens. The Spring Drive movement under the hood offers a smooth, gliding sweep of the seconds hand that's mesmerizing. With a GMT hand for tracking another time zone, this watch is built for those who find themselves straddling worlds. The ceramic bezel isn’t just about good looks—it’s tough, resisting scratches and wear, ready to take on the bumps and knocks of travel. Luminous hands and markers ensure that whether you're in the boardroom or a dimly lit cabin, time is always visible. Wrap your wrist in this robust, beautifully crafted timepiece, and you're not just wearing a watch—you're embracing a piece of horological art.

DescriptionThe Grand Seiko SBGE257, a member of the esteemed Sport Collection, is driven by the innovative Spring Drive caliber 9R66. This unique movement integrates the driving force of a traditional mainspring with the pinpoint accuracy typically associated with quartz timepieces, ensuring an accuracy of ±15 seconds per month or ±1 second per day. The movement offers a substantial 72-hour power reserve, allowing for extended use without the need for winding. This model incorporates a GMT complication, utilizing a dedicated 24-hour hand that enables the display of dual time zones, which is invaluable for international travelers or those who frequently communicate across different time zones. The watch features a robust, water-resistant stainless steel case designed to withstand pressures up to 20 bar, approximately equivalent to a depth of 200 meters. Adding to its durability and aesthetic appeal is a scratch-resistant ceramic bezel, marked with a 24-hour scale that complements the GMT function. This bezel enhances the watch’s legibility under various lighting conditions. The dual-curved sapphire crystal, treated with an anti-reflective coating on its inner surface, ensures optimal readability while minimizing glare. The inclusion of Lumibrite on the hands and indices further enhances visibility in low-light environments, ensuring that the watch remains functional at all times.

Detailed construction of the SBGE257 showcases a case diameter of 40.5mm, a lug-to-lug measurement of 48.7mm, and a thickness of 14.7mm. These dimensions contribute to the watch’s prominent yet comfortable presence on the wrist. The band, measuring 20mm in width, is secured with a three-fold clasp featuring a convenient push-button release mechanism. The watch's screw-down crown and screw case back not only enhance its water resistance but also protect the intricate movement within. With a total weight of 172 grams, the SBGE257 maintains a balanced feel, suitable for both everyday wear and active use. Furthermore, the watch exhibits a magnetic resistance of 4,800 A/m, which safeguards the movement from the adverse effects of magnetic fields encountered in daily life. Additional functional features include a power reserve indicator on the dial, providing a clear view of the remaining energy stored within the mainspring. This model also incorporates a calendar-linked time difference adjustment function, adding to its practicality for users who need to adjust the time based on different time zones. The presence of 30 jewels within the movement minimizes friction, promoting long-term reliability and precision.

GenderMen

SignaturesGrand Seiko

Country of OriginJapan

Case Size40.5 mm

MovementAutomatic

Caliber9R66

FunctionsHours, Minutes, Seconds, Date, GMT, Power Reserve

Power Reserve72 Hours

Case MaterialsStainless Steel

Bezel MaterialsCeramic

Lug MaterialsStainless Steel

Case BackSolid