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Grand Seiko Sport Hi-Beat GMT Triple Time Zone Steel Green Dial SBGJ239 - BRAND NEW

Grand Seiko Sport Hi-Beat GMT Triple Time Zone Steel Green Dial SBGJ239 - BRAND NEW Grand Seiko Sport Hi-Beat GMT Triple Time…

Reference SBGJ239

Full watch configuration

Grand Seiko Sport Hi-Beat GMT Triple Time Zone Steel Green Dial SBGJ239 - BRAND NEW

$6,480.00
Requested condition
Brand New
Requested accessories
Full Set

By Grand Seiko

Sourced to order. We confirm the watch, condition and final price before purchase. Reference images shown.

Eligible watches: 90-day returns for store credit only. Brand-new watches and other exclusions are final sale. Return terms.

Grand Seiko Sport Hi-Beat GMT Triple Time Zone Steel Green Dial SBGJ239 - BRAND NEW

Grand Seiko Sport Hi-Beat GMT Triple Time Zone Steel Green Dial SBGJ239 - BRAND NEW

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Grand Seiko Sport Hi-Beat GMT Triple Time Zone Steel Green Dial SBGJ239 - BRAND NEW

Catalogue watch price: $6,480.00 USD

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The Grand Seiko SBGJ239 is a brand-new 44.2mm stainless steel Sport Collection Hi-Beat GMT watch featuring a striking green index dial and a distinctive sapphire crystal bezel. This triple time zone reference pairs Grand Seiko's signature high-beat automatic movement with an adventurous sport aesthetic that sets it apart in the luxury GMT segment.

The SBGJ239 stands out through the rare combination of a sapphire crystal bezel — an unconventional and visually arresting choice — with the rich depth of its green dial, making it one of the most distinctive GMT references in Grand Seiko's Sport lineup. Contact Bizak & Co. today to purchase this brand-new reference at the best price or to learn more about availability.

Compare it across every Sport Hi-Beat GMT Triple Time Zone reference we carry, or browse the full Grand Seiko collection at Bizak & Co.

Buy this Sport Hi-Beat GMT Triple Time Zone, trade in your current watch, or sell us yours. Contact Bizak & Co. to make an offer or request a fair-market valuation.

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The Grand Seiko SBGJ239 is a bold statement from the Sport Collection, purpose-built for travelers and enthusiasts who demand both technical sophistication and unmistakable visual identity. As a Triple Time Zone Hi-Beat GMT reference, the SBGJ239 allows the wearer to simultaneously track three different time zones, a complication that places it firmly at the intersection of serious horology and real-world utility. Brand new and available at Bizak & Co., this reference arrives complete with box and papers, offering the full Grand Seiko ownership experience from day one.

Grand Seiko's Sport Collection has long represented the brand's more dynamic, adventure-forward design language, drawing inspiration from Japan's dramatic natural landscapes and seasons. Within this lineage the SBGJ239 occupies a particularly expressive position, with its deep green index dial evoking the lush, light-filtered forests and highlands that have defined some of Grand Seiko's most celebrated seasonal dials. The indices are rendered with the meticulous hand-finishing precision that Grand Seiko is globally renowned for, ensuring that every catch of light reveals new texture and depth.

The 44.2mm stainless steel case provides a commanding wrist presence appropriate for a sport-oriented GMT complication. The sapphire crystal bezel is an exceptional and genuinely uncommon choice in the luxury watch segment — where ceramic or aluminum bezels dominate — lending the SBGJ239 a crystal-clear, jewel-like quality that elevates its visual drama while maintaining outstanding scratch resistance. The steel bracelet completes the integrated sport look, engineered with the fit and refinement Grand Seiko brings to every component.

Powering the SBGJ239 is Grand Seiko's Hi-Beat automatic movement, a caliber operating at a high frequency that delivers exceptionally smooth seconds-hand motion and enhanced timekeeping precision. Grand Seiko's movements are among the most rigorously tested in the industry, held to tolerances that frequently exceed standard COSC chronometer benchmarks. The Triple Time Zone function is executed with the same thoughtful engineering, allowing intuitive reading of home time, local time, and a third reference zone at a glance.

For collectors and enthusiasts considering this reference, the SBGJ239 represents a compelling long-term acquisition. Grand Seiko Sport Hi-Beat GMT references combine the brand's world-class movement engineering with dial artistry and bezel materials rarely found at any price point, making them highly sought after both at release and on the secondary market. Bizak & Co. offers this brand-new SBGJ239 at the best price, with full manufacturer box and papers included. Reach out to our team to secure yours or to ask any questions about this exceptional reference.

Technical Details
Reference
SBGJ239
Model
Sport Hi-Beat GMT Triple Time Zone
Movement
Automatic
Case material
Stainless Steel
Bracelet material
Stainless Steel
Dial
Green Index
Case size
44mm
Requested condition
Brand New
Requested accessories
Full Set
FAQ

1. What makes the Grand Seiko SBGJ239 special?
The SBGJ239 stands out for its rare sapphire crystal bezel, a material choice almost unheard of in the luxury sport GMT segment, combined with a rich green index dial and a Triple Time Zone complication. It represents Grand Seiko's Sport Collection at its most visually bold and technically accomplished, merging Japanese dial artistry with high-frequency movement engineering.

2. What movement powers the Grand Seiko SBGJ239?
The SBGJ239 is powered by a Grand Seiko Hi-Beat automatic movement, which operates at a high frequency for exceptionally smooth motion and superior timekeeping accuracy. Grand Seiko holds its movements to rigorous in-house precision standards that frequently surpass standard chronometer benchmarks.

3. What is the case size of the SBGJ239?
The Grand Seiko SBGJ239 features a 44.2mm stainless steel case, giving it a substantial and commanding wrist presence well-suited to its sport GMT character. The steel bracelet integrates seamlessly with the case for a cohesive, purpose-built sport aesthetic.

4. Is the Grand Seiko SBGJ239 suitable for everyday wear?
Yes, the SBGJ239 is designed as a sport watch built for regular wear, with a robust stainless steel case, sapphire crystal bezel, and steel bracelet that are all engineered for durability and long-term resilience. Its Triple Time Zone function also makes it a highly practical daily companion for travelers and professionals operating across multiple time zones.

5. What are the dial and bezel materials on the SBGJ239?
The SBGJ239 features a green index dial showcasing Grand Seiko's meticulous hand-finishing, with indices that interact beautifully with light for a multi-dimensional appearance. The bezel is crafted from sapphire crystal, an exceptionally rare and premium material choice that offers both striking clarity and excellent scratch resistance.

6. Is the Grand Seiko SBGJ239 a good buy, and how can I purchase it from Bizak & Co.?
The SBGJ239 is widely regarded as one of the most distinctive GMT references in Grand Seiko's Sport Collection, combining a unique bezel material, expressive dial design, and a high-beat movement with practical triple time zone functionality — attributes that support strong long-term desirability. Bizak & Co. offers this brand-new reference complete with box and papers at the best price; contact us directly through bizakandco.com to purchase or to request more information.

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Our five-year Bizak & Co. warranty covers manufacturing defects affecting mechanical operation under normal use, starting on delivery. It is separate from any remaining manufacturer warranty.

Exclusions include accidental damage, misuse, water damage, cosmetic damage, normal wear, loss and theft. Coverage and service availability for vintage or modified watches are confirmed in writing before purchase.

Read the full warranty terms and service instructions. 

90-Day Returns for Store Credit

Eligible watches may be returned within 90 days for store credit. Brand-new watches and other exclusions are final sale.

Read eligibility, condition requirements, and exclusions.

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U.S. overnight shipping is $100; international shipping is $500. Dispatch takes 2–3 business days after your wire clears. International transit times vary. Shipping details.

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