Grand Seiko SBGW297

Heritage Collection
Category: SBGW297 Tag:

Grand Seiko 44GS White Sunray Manual-winding mechanical


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This watch reflects the Grand Seiko design principles cemented by Taro Tanaka back in 1967. It incorporates his ‘Grammar of Design,’ created to differentiate the ‘look’ of a Grand Seiko; to add glow and light to the watch on the wrist – known for its sharp edges, large zaratsu polished surfaces, razor-like flanks, unobtrusive bezel, and highly contrasting dial elements. These signature design features are presented in a compact case, measuring 36.5mm in diameter. It is powered by a 9S64 calibre movement which has a +5/-3 seconds per day accuracy and a three-day power reserve.

The dial of this piece features a radiant white sun-ray pattern, the silver colour of the hour and minute hand are designed to reflect and contrast the blue steel second hand. The interplay between light and shadow is a constant theme in Grand Seiko, from the hands to the sharp edges and soft curves of the case, often found in a 44GS. Contrasting Zaratsu and mirror finishing on each and every surface creates a vision of depth and the Grand Seiko trademark sparkle. The flat dial lies at the base of a wide opening, allowing maximum light in. The indexes and hands are razor-edged and multifaceted, demonstrating precision in every aspect.

As a true vertically-integrated ‘manufacture,’ Grand Seiko incorporates the latest in-house technical developments alongside its breadth of craftsmanship in all mechanical movements – with around 300 individual components, they exhibit near-perfect consistency to ensure precision. Mere parts alone, however, cannot constitute the level of accuracy for which Grand Seiko is renowned; Grand Seiko Takumi craftspeople adjust parts by hand to tolerances of one hundredth of a millimetre – detailed craftsmanship ensuring the precise timekeeping delivered by the 9S mechanical movement.

Every Grand Seiko features signature high standards of precision, durability and legibility, handcrafted in Japan by Takumi artisans.


Calibre: 9S64
Movement Type: Mechanical Manual Winding
Power Reserve: 72 Hours
Mean Daily Rate: +5 to -3 seconds per day

*Prior to the assembly of the movement in a case, it undergoes testing in six different positions for 12 days in a controlled environment. The ‘mean daily rate’ is the average value of daily results from these tests.
Accuracy In Use: +10 to -1 seconds per day
Watch Exterior
Case Diameter: 36.5mm
Case Length: 42.7mm
Case Thickness: 11.6mm
Case Material: Stainless Steel
Case Back: Screw case back
Strap/Bracelet: Stainless Steel
Lug Width: 18.0mm
Clasp: Three-fold clasp with push button release
Dial Colour: White
Other Specifications
Crystal Coating: Anti-reflective coating on inner surface
Crystal Type: Box shaped sapphire crystal
Water Resistance: 10 bar
Magnetic Resistance: 4,800 A/m
Weight: 132.0g
Other Specifications: 24 Jewels

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