Grand Seiko SLGB009

Evolution 9 Collection
Category: SLGB009 Tags: , Brand:

Grand Seiko Evolution 9 ‘White Birch’ Spring Drive UFA 40mm

£9,000

This item will be released 1 September 2026.
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This watch will be available in September

Description

The dial of this Grand Seiko Evolution 9 watch is inspired by the birch forest on the Hiraniwa Plateau in Japan near to Grand Seiko studio Shizukuishi, when sunlight reflects off the white bark of the trees. The silver white dial is finished with the Birch Pattern, capturing the quiet luminosity of the birch woodland as the sun filters through the leaf canopy. Hour and minute hands in silvertone are joined by a blue steel second hand, adding a subtle note of contrast to the pure white of the dial.

The 40mm case and bracelet are crafted in Ever-Brilliant Steel – Grand Seiko’s proprietary alloy with a corrosion resistance 1.7 times higher than standard stainless steel, and a brilliantly white hue that lends the Zaratsu-polished surfaces an exceptional luminosity. The anti-reflective box sapphire crystal glass and screw-down crown ensure water resistance to 100m. The three-fold clasp features a push-button release and micro-adjustment function for a precise, personalised fit.

At the heart of the watch is the calibre 9RB2, powered by the Spring Drive UFA – Ultra Fine Accuracy movement. The UFA designation marks this as the most accurate wristwatch powered by a mainspring in the world, achieving an extraordinary accuracy of +/-20 seconds per year.

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

Specifications

Movement
Accuracy: ±20 seconds per year
Calibre: 9RB2
Movement Type: Spring Drive Automatic
Power Reserve: 72 Hours
Watch Exterior
Case Diameter: 40.0mm
Case Length: 47.2mm
Case Thickness: 11.7mm
Case Material: Ever-Brilliant steel
Case Back: Ever brilliant steel and sapphire crystal, See-through & screw case back
Strap/Bracelet: Ever-Brilliant Steel
Lug Width: 22.0mm
Clasp: Micro-adjustment clasp
Dial: 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
Other Specifications: Screw-down crown, 34 jewels, Power reserve indicator

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