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Grand Seiko SLGB023 Spring Drive UFA Ushio 300 Diver 40.8mm - Blue on Bracelet
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Customer Service
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Product Description
Overview
Reference
SLGB023
Case Size
40.8 mm
Case Height
12.9 mm
Lug To Lug
48.5 mm
Lug Width
21 mm
Water Resistance
300m
Movement
Automatic
Release Date
2026-04-13
Style
Diver
Collection
Evolution 9
Case
Bezel
Unidirectional rotating bezel
Case Back
Screwed, High-Intensity Titanium
Case Material
High-intensity Titanium
Case Shape
Round
Clasp / Buckle
Locking extension clasp with micro-adjustment
Crown
Screw-down
Crystal
Sapphire with anti-reflective coating on inner surface
Attachment Type
Bracelet
Dial Color
Blue
Dial Features
Blue with gradation, textured wave-like pattern, and optical multilayer coating
Lume
LumiBrite on hands, indexes and bezel
Strap / Bracelet Material
High-intensity titanium bracelet
Movement
Accuracy
Annual rate of ±20 seconds (equivalent to monthly rate of ±3 seconds. daily rate of ±0.3 seconds)
Caliber
9RB1
Features
Magnetic Resistance: 4,800 A/m
Functions
Time, power reserve indicator
Jewels
33 Jewels
Movement
Automatic Spring Drive
Power Reserve
72 Hours
Complication
Power Reserve
Brand History
Grand Seiko
Beginning with just a single model back in 1960, Grand Seiko has a long-established history of eye-catching elegant design, best-in-class finishing, and industry-shaking movement technology. One of the only vertically integrated watchmakers on the market, Grand Seiko upholds true Japanese engineering excellence with every crafted piece, down to growing its own sapphire crystals to protect the stunning dials.
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