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Grand Seiko GMT Sport Collection (+/-5s YEAR) 9F Anniversary Limited Edition SBGN007 Watch Review

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The Grand Seiko GMT SBGC007 is a limited edition watch released for the 25th anniversary of the Grand Seiko caliber 9F quartz movements. This timepiece features the first ever Grand Seiko caliber 9F quartz GMT movement, ensuring a remarkable accuracy of +/- 5 seconds per year. With a 40mm stainless steel case, hand-finished Zaratsu mirrored surfacing, and a 1,200 piece limited edition for the Asian market, the watch is a true collector’s item. It also includes premium features like thermocompensation and a manual trimmer, along with the capability to track two independent time zones.

The Grand Seiko GMT Sport Collection (+/-5s YEAR) 9F Anniversary Limited Edition SBGN007 is a remarkable timepiece that showcases the highest standards of craftsmanship and accuracy. This green dial watch is part of a limited edition collection, specifically designed for watch enthusiasts in the Asian market. Its features, including the first ever Grand Seiko calibre 9F quartz GMT movement, thermocompensation, and a manual trimmer, make it a truly exceptional piece. With its impeccable design and functionality, the Grand Seiko GMT Sport Collection stands as a testament to the quality and precision that Grand Seiko represents.


In the world of luxury watches, few brands can rival the prestige and precision of Grand Seiko. Combining traditional Japanese craftsmanship with cutting-edge technology, Grand Seiko has established itself as a leader in the industry. One of the most highly sought-after models in their collection is the Grand Seiko SBGN007. This exquisite timepiece features a stunning design, impressive features, and impeccable craftsmanship. In this article, we will explore the various aspects that make the Grand Seiko SBGN007 a truly exceptional watch.


Case Design

The case of the Grand Seiko SBGN007 is crafted from high-quality stainless steel, ensuring durability and longevity. The sleek and elegant design of the case is a testament to Grand Seiko’s commitment to timeless aesthetics. With a diameter of 39.5mm, the case strikes the perfect balance between size and wearability, making it suitable for both formal occasions and everyday wear. The case is also adorned with a high polish conical bezel, adding a touch of sophistication to the overall design.

Dial Design

The dial of the SBGN007 is a true work of art. Grand Seiko’s attention to detail is evident in every aspect of the dial design. The deep green color adds a unique and stylish element to the watch, making it stand out from the crowd. The dial features a combination of both Arabic numerals and baton hour markers, allowing for easy readability. The hands of the watch are also meticulously crafted and coated with Lumibrite, ensuring optimal visibility even in low-light conditions.


GMT Functionality

One of the standout features of the SBGN007 is its GMT functionality. This means that the watch can display two different time zones simultaneously, making it perfect for frequent travelers or individuals who need to keep track of different time zones. The GMT hand is distinctively colored in red, allowing for quick and easy identification of the second time zone. This functionality adds a level of convenience and practicality to the watch, making it a favorite among globetrotters.

Caliber 9F Quartz Movement

The SBGN007 is powered by Grand Seiko’s Caliber 9F quartz movement, which is known for its exceptional accuracy. Quartz movements are renowned for their precision and reliability, and the Caliber 9F is no exception. The movement features a backlash auto-adjust mechanism, ensuring that the hands move smoothly and accurately, without any unnecessary vibrations. Furthermore, the quartz movement requires minimal maintenance, making it a reliable companion for years to come.


Grand Seiko is known for its dedication to accuracy, and the SBGN007 is no exception. The watch is equipped with a thermocompensation feature, which ensures that the movement remains highly precise, regardless of external temperature fluctuations. This means that you can rely on the watch to keep accurate time, no matter the climate or environment. The thermocompensation feature is a testament to Grand Seiko’s commitment to excellence and their uncompromising approach to accuracy.

Manual Trimmer

Another notable feature of the SBGN007 is the manual trimmer. This allows you to adjust the rate at which the watch runs, ensuring even greater accuracy. With the manual trimmer, you have the ability to fine-tune the movement of the watch to suit your preferences. This level of customization adds a personal touch to the watch, making it truly unique to you.

Water Resistance

While the SBGN007 is primarily a dress watch, it also offers a respectable level of water resistance, making it suitable for everyday wear. With a water resistance rating of 100 meters, you can confidently wear the watch while engaging in water activities such as swimming or snorkeling. However, it is important to note that the watch is not suitable for diving or prolonged exposure to water.

Grand Seiko GMT Sport Collection (+/-5s YEAR) 9F Anniversary Limited Edition SBGN007 Watch Review

Limited Edition

Asian Market Limited Edition

The SBGN007 is part of a limited edition collection exclusively released in the Asian market. As such, it is a highly coveted watch among collectors and enthusiasts. The limited edition status adds a level of exclusivity and rarity to the watch, making it even more desirable for those seeking a truly unique timepiece.

Green Dial

One of the distinguishing features of the limited edition SBGN007 is its striking green dial. The vibrant green color adds a touch of sophistication and elegance to the watch, setting it apart from other models in the Grand Seiko collection. The green dial is a nod to the rich cultural heritage of Japan, where the color is associated with nature and renewal.

1,200 Piece Collection

To further enhance the exclusivity of the SBGN007, Grand Seiko has limited the production of this model to just 1,200 pieces. Each watch is individually numbered, further emphasizing its limited edition status. This limited production ensures that the SBGN007 is a truly collectible timepiece, with each piece being a unique work of art.


Case Size

The diameter of the case measures 39.5mm, making it an ideal size for both men and women. The case is designed to be worn comfortably on the wrist, without feeling too bulky or oversized.

Case Thickness

The case thickness of the SBGN007 is approximately 13.3mm. This provides a substantial presence on the wrist, while still maintaining a slim and sleek profile.

Lug-to-Lug Distance

The lug-to-lug distance of the SBGN007 is approximately 47.5mm. This measurement is important for determining the fit and wearability of the watch on different wrist sizes. The lug-to-lug distance ensures that the watch sits comfortably on the wrist, without any unnecessary overhang.


Zaratsu Mirroring

One of the hallmarks of Grand Seiko’s craftsmanship is the Zaratsu mirroring technique. This hand-polishing technique gives the case a mirror-like finish, enhancing the overall aesthetics of the watch. The Zaratsu mirroring ensures that the case reflects light in a uniform manner, resulting in a stunning visual effect.

Hand-Applied Tin Plate Polish

The dial of the SBGN007 is hand-applied with a tin plate polish, adding a subtle sheen to the watch. This meticulous process gives the dial a unique and luxurious appearance, further elevating the overall design of the watch.

High Polish Conical Bezel

The high polish conical bezel of the SBGN007 adds a touch of elegance and sophistication. The polished surface reflects light in a captivating manner, drawing attention to the dial and creating a visually striking impact.


Artisan Finishing

The movement of the SBGN007 undergoes meticulous artisan finishing, ensuring that every component is finely crafted to perfection. The movement is carefully assembled and decorated by skilled craftsmen, paying homage to the rich watchmaking heritage of Grand Seiko.


Grand Seiko is renowned for its unwavering commitment to accuracy, and the SBGN007 is a prime example of their dedication. The watch is designed to maintain exceptional accuracy, with a guaranteed deviation of only ±10 seconds per year. This level of precision ensures that you can rely on the watch to keep accurate time, no matter the circumstances.


Hours, Minutes, Seconds

As with any timepiece, the SBGN007 displays the hours, minutes, and seconds. The hands are meticulously designed and coated with Lumibrite, ensuring optimal readability in both bright and low-light conditions. The clear and concise presentation of the time ensures that the watch is easy to read at a glance.


The SBGN007 features a date window at the 3 o’clock position. The date complication adds a practical element to the watch, allowing you to keep track of the current date effortlessly.


The standout feature of the SBGN007 is its GMT functionality. The watch is equipped with a second time zone indicator, allowing you to easily keep track of time in different parts of the world. The GMT hand is colored in red, making it distinct from the other hands and ensuring that it stands out on the dial.


The Grand Seiko SBGN007 is a true masterpiece in the world of luxury watches. From its stunning design to its impressive features and impeccable craftsmanship, every aspect of this timepiece is meticulously crafted to perfection. Whether you are a collector, an enthusiast, or simply someone who appreciates the art of horology, the SBGN007 is a watch that deserves a place in your collection. With its limited edition status, exquisite green dial, and precise functionality, this timepiece encapsulates the essence of Grand Seiko’s commitment to excellence.

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