DESCRIPTION
DETAILS
WARRANTY
The Grand Seiko SLGB023G represents a bold evolution of sport watchmaking within the Grand Seiko Evolution 9 Collection. Crafted in high-intensity titanium, the 40.8mm case delivers exceptional strength while remaining significantly lighter than stainless steel, ensuring comfort during extended wear. The blue “Ushio” dial, inspired by ocean tides surrounding the Japanese archipelago, features a gradient pattern that captures the depth and movement of water, creating a dynamic surface with excellent legibility.
At its core, the SLGB023G is powered by the advanced Spring Drive Caliber 9RB1, a next-generation movement derived from the Ultra Fine Accuracy platform. Delivering precision of approximately ±20 seconds per year and a power reserve of around 72 hours, it stands among the most accurate spring-driven systems available. The movement integrates a power reserve indicator on the dial, combining cutting-edge engineering with refined craftsmanship.
Engineered for professional use, the SLGB023G offers 300 meters of water resistance, a unidirectional rotating bezel, screw-down crown, and high legibility through luminous hands and indexes. The bracelet features a secure clasp with micro-adjustment, allowing precise fit changes even over a diving suit. Altogether, this model stands as a modern high-performance diver, blending technical innovation, lightweight materials, and a strong connection to Japan’s maritime heritage.
Style Number: SLGB023G
Collection: Evolution 9
Metals/Materials: High-Intensity Titanium
Glass: Anti-reflective coating on inner surface Anti-reflective coating on inner surface
Dial: Blue
Bezel: Unidirectional rotating bezel
Numbers: Indexes
Case Measurement: 40.8 mm
Case Back: See-through & Screw case back
Water Resistance: 300m / 1000ft diver's
Movement Type: Automatic
Movement Model: Spring Drive
Calibre: 9SC5
Power Reserve: Approx. 72 hours
Type of Band: High-Intensity Titanium
Type of Clasp: Micro-adjustment clasp
Gender: Male
Day/Date Display: n/a
Functions: Hour, Minute, Second and Power reserve indicator
5 Year International Warranty
Grand Seiko warrants free repair and adjustment service against any defects on the watch head (movement and case) and metallic band, provided that the watch was used as described in the instruction manual. The period of the Grand Seiko worldwide warranty is five years from the date of purchase.
In order to apply for this service under the warranty, you need to present the valid warranty card with the required fields properly filled in to an authorized Grand Seiko dealer or any member of the Grand Seiko service network. The worldwide warranty for Grand Seiko will be provided by an authorized Grand Seiko dealer at the time of purchase.
About
Grand Seiko
It was the determination to excel that brought about the birth of Grand Seiko in 1960. Made by hand for those who value perfection; Grand Seiko raises the pure essentials of watchmaking to the level of art. Golden Tree Jewellers invites you to adorn your wrist with these meticulously crafted timepieces.
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