Grand Seiko Quartz SBGX263
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Reference Number: SBGX263

Grand Seiko Quartz SBGX263

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Grand Seiko SBGX263 Review

Grand Seiko is a name that is familiar to most watch enthusiasts, and for those who don’t know them, they are a Japanese company that has been making luxury watches for the past 60 years. Grand Seiko is known for the quality they produce, and that tradition of quality is repeated with Seiko’s SBGX263.

Grand Seiko SBGX263 is a watch designed for men, although the design leans more as unisex, so women too can purchase it. The SBGX263 is unique in size, and the 9F movement system that comes with this watch is a technology breakthrough – it is smallest among all the quartz movement system, but its accuracy and power saving characteristics is top-notch.

In conclusion, the SBGX263 is a member of the heritage collection that stands out. It is a watch for every watch lover, enthusiast or collector.


As is the custom of Grand Seiko, quality of the material used in making the casing of watches is priority to ensure durability. The case of the SBGX263 is made from stainless steel, and it is about 37mm in diameter and 10mm in thickness. The casing sports a brushed finish which is guaranteed to remaining shining like new for a long time. Attached to the casing are chain bracelet made from stainless steel which measures 205mm in perimeter. The bracelet comes with a three-fold clasp with the push-button release for easy strapping and unstrapping of the watch.

Covering the dial and the movement system of the watch is glass made from sapphire crystals. This glass is coated in its inner surface to be anti-reflective (prevent the bouncing of light ray back the eyes of the user) and also it is anti-scratch.

Together as a whole, the SBGX263 weighs 134.0 g – a good weight that doesn’t leave strain on the hand of the watch’s wearer. Finally, the back case of the SBGX263 is made from the same material as the casing. This screw case back comes with Grand Seiko’s mark of excellence – the lion emblem.


The movement system of a watch is the equivalent to what the engine of an automobile is to a car. The movement system determines what the watch is capable of, the power consumption, accuracy etc., hence, it is a very important element in watches.

The Grand Seiko SBGX263 comes with the quartz, caliber 9F62 movement system of Grand Seiko. The 9F system is unique because none of its parts was outsourced by the famous Japanese watchmaker. Its Jewels were specially designed to ensure that its accuracy is to precision.

Seiko’s caliber 9F62 movement system is designed with a special high-speed motor that enable the watch change its date 1/2000th of a second. Dedicated crystals, gears, and levers ensures that torque is considerably reduced, thereby reducing the power requirement of the movement system. This leads to a more long-lasting battery.

Furthermore, to reduce bulkiness, the 9F62 movement system is considerably smaller than majority of other movement systems, but this doesn’t reduce its ability to perform as a movement system at all. In fact, the 9F movement system is better as compared to most of the other quartz movement systems. Finally, a timekeeping device, the most important thing in a watch is accuracy. The 9F62 caliber caters for this with its ±10 seconds accuracy yearly.


To help the SBGX263 function optimally as a timekeeping device, Grand Seiko added a couple of functionalities to help this watch attain its full potentials.

Of notable mention is the magnetic resistance properties of the SGBX263. There are moving wheels, levers, etc. in the component of watches and this account for the accuracy of that watch. Magnets can affect the movement of these wheels and levers, but the SBGX263 is designed to stay accurate even when it is used near a magnetic field.

Finally, this watch is water-resistant. Rated 10 bar, the Grand Seiko SBGX263 can be used near/in water up to the depth of 100 meters.

PS: Precautions should be taken however to prevent damage to your watch underwater. Endeavor not to turn the crow of the watch underwater.


The champagne-colored dial of the SBGX263 has a little feel of silver to it that makes it beautiful to behold. The dial has no numerals, but the silver hour indexes and black second marker are rightly positioned for accurate reading of the watch.

The hour, minute and second hands are rightly balanced for precision against the indexes, and they have a brushed finish that gives them a sparkling look. On the 12 o’clock mark is the GS logo of Grand Seiko, while the 3 o’clock mark houses the rectangular date display window.

In conclusion, the dial of the SBGX263 brings memory of celebration with its distinct champagne color, and the indexes, hands, and markers are perfectly positioned for an enjoyable time reading experience.


You can get the Grand Seiko SBGX263 at our store for a price of $2,200

Watch Features

CaseStainless steel
Case BackScrew case back
Case Width37.0 mm
Case Thickness10.0 mm
CrystalSapphire crystal with anti-reflective coating
Dial ColorChampagne
Dial MarkersIndexes
FunctionsHours, Minutes, Seconds and Date
MovementQuartz Caliber 9F62 - 9F Series, Accuracy: +/-10 Sec per Year, 3 Yr Battery, Magnetic Resistance: 4,800 A/m [60 Gauss]
Water Resistance100m
Bracelet StrapSolid stainless steel
Clasp TypeStainless steel with three-fold clasp with push button release
Warranty5 Year
BrandGrand Seiko

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