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Grand Seiko Sport Spring Drive Chronograph GMT Steel 43.8mm Black Dial SBGC242 - BRAND NEW

Grand Seiko Sport Spring Drive Chronograph GMT Steel 43.8mm Black Dial SBGC242 - BRAND NEW Grand Seiko Sport Spring Drive Chronograph GMT…

Reference SBGC242

Full watch configuration

Grand Seiko Sport Spring Drive Chronograph GMT Steel 43.8mm Black Dial SBGC242 - BRAND NEW

$16,290.00
Requested condition
Brand New

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 Spring Drive Chronograph GMT Steel 43.8mm Black Dial SBGC242 - BRAND NEW

Grand Seiko Sport Spring Drive Chronograph GMT Steel 43.8mm Black Dial SBGC242 - BRAND NEW

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Grand Seiko Sport Spring Drive Chronograph GMT Steel 43.8mm Black Dial SBGC242 - BRAND NEW

Catalogue watch price: $16,290.00 USD

Your $200 deposit is applied to the watch’s purchase price. It is refundable only if Bizak & Co. cannot fulfill your order.

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The Grand Seiko SBGC242 is a brand-new 43.8mm steel Sport Spring Drive Chronograph GMT featuring a striking black dial, titanium bezel, and integrated steel bracelet — one of Grand Seiko's most technically ambitious sport references available for sale today.

The SBGC242 stands apart through its rare combination of Spring Drive precision, chronograph capability, and GMT complication in a robust yet refined package; contact Bizak & Co. to buy this reference online or inquire about pricing and availability.

Compare it across every Sport Spring Drive Chronograph GMT reference we carry, or browse the full Grand Seiko collection at Bizak & Co.

Buy this Sport Spring Drive Chronograph GMT, 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 SBGC242 is the definitive expression of what Grand Seiko can achieve when haute horlogerie engineering meets serious sport watch design. Positioned within the Grand Seiko Sport collection, this reference combines three major complications — a Spring Drive movement, a chronograph, and a GMT function — into a single 43.8mm steel case that wears with commanding presence on the wrist. For collectors searching for a buy Grand Seiko Spring Drive Chronograph GMT SBGC242 option from a trusted dealer, Bizak & Co. offers this reference brand new.

Grand Seiko's Sport line traces its roots to the brand's long-standing commitment to producing watches engineered for performance without sacrificing the meticulous finishing standards that define every piece bearing the Grand Seiko name. The SBGC242 carries forward that legacy, blending the tool-watch utility of a GMT and chronograph with the unmistakable surface finishing — alternating Zaratsu-polished and brushed planes — that collectors have come to prize.

The black dial of the SBGC242 is both legible and visually dramatic, providing high contrast against the applied indices and hands. The titanium bezel offers a subtle two-material contrast against the stainless steel case, reducing weight at the periphery while lending the watch a modern, purposeful aesthetic that distinguishes it from conventional steel sport chronographs on the market.

At the heart of this reference is Grand Seiko's Spring Drive technology — a movement architecture unique to Seiko that uses a mechanical mainspring as its power source but replaces the traditional lever escapement with a tri-synchro regulator, achieving extraordinary accuracy without the energy loss of a conventional escapement. Paired with chronograph and GMT modules, the result is one of the most technically layered and precisely regulated sport watches in production at any price point.

At 43.8mm in steel with an integrated steel bracelet, the SBGC242 sits confidently on larger wrists and makes an immediate statement in any setting — equally at home in a boardroom or on an adventure. Bizak & Co. is pleased to offer this Grand Seiko Sport Spring Drive Chronograph GMT SBGC242 brand new. Contact our team today to purchase online, confirm current pricing, or learn more about this exceptional reference.

Technical Details
Reference
SBGC242
Model
Sport Spring Drive Chronograph GMT
Movement
Spring Drive
Case material
Stainless Steel
Bracelet material
Stainless Steel
Dial
Black
Case size
44mm
Requested condition
Brand New
FAQ

1. What makes the Grand Seiko SBGC242 special?
The SBGC242 is one of Grand Seiko's most complex sport references, combining a Spring Drive movement, chronograph, and GMT complication in a single 43.8mm steel case. It also showcases Grand Seiko's signature Zaratsu-polished finishing, which sets it apart visually from virtually any competitor at this tier.

2. What movement powers the Grand Seiko SBGC242?
The SBGC242 is powered by Grand Seiko's Spring Drive technology, a proprietary movement architecture that uses a mechanical mainspring regulated by an electromagnetic tri-synchro regulator for exceptional accuracy. This movement also drives the chronograph and GMT complications built into this reference.

3. What is the case size of the SBGC242?
The Grand Seiko SBGC242 has a case diameter of 43.8mm, making it a substantial sport watch with commanding wrist presence. The stainless steel case is paired with an integrated steel bracelet for a cohesive, purposeful look.

4. Is the Grand Seiko SBGC242 suitable for everyday wear?
Yes — with its steel construction, integrated bracelet, and sport-oriented design, the SBGC242 is built to be worn regularly and not merely admired. The titanium bezel adds durability and scratch resistance, while the GMT and chronograph functions add genuine everyday utility for travelers and active wearers.

5. What are the dial and bezel materials on the SBGC242?
The SBGC242 features a black dial that provides strong legibility and a bold, modern aesthetic. The bezel is crafted from titanium, offering a subtle material contrast to the stainless steel case and reducing overall weight at the watch's periphery.

6. How can I buy the Grand Seiko SBGC242 from Bizak & Co.?
The SBGC242 is available brand new at Bizak & Co. via bizakandco.com, where you can browse our current inventory and contact our team directly for pricing and purchase. Reach out through our website to confirm availability or to arrange a purchase online.

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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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