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Grand Seiko SLGB023 SLGB023G
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Manufacturer details checked

Grand Seiko

Grand Seiko slgb023g

Exact manufacturer reference17 recorded specifications
Exterior
High-Intensity Titanium
Case back
Screw case back
Glass Material
Sapphire crystal
Glass Coating
Anti-reflective coating on inner surface
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Specifications checked against the linked manufacturer page. The image source and display method are identified with the illustration.

Manufacturer specifications checked for this reference

These specifications were checked against the manufacturer page for this exact reference.

Exterior
High-Intensity Titanium
Case back
Screw case back
Glass Material
Sapphire crystal
Glass Coating
Anti-reflective coating on inner surface
LumiBrite
LumiBrite on hands, index(es) and bezel
Case size
Diameter 40.8mm Lug-to-lug 48.5mm Thickness 12.9mm
Band width
21mm
Clasp type
Locking extension clasp with micro-adjustment
The perimeter of Band
195mm
Caliber no.
9RB1 Instructions
Movement Type
Spring Drive Self-winding with Manual-winding
Power reserve
Approx. 72 hours(3 days)
Accuracy
±20 seconds per year (±3 seconds per month)
Water resistance
300m / 1000ft diver's
Magnetic resistance
4,800 A/m
Weight
122 g
Other details / Features
Unidirectional rotating bezel Screw-down crown Allergy-safe metal 33 jewels Power reserve indicator
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Checked 2026-09-27 · Regional scope: manufacturer Europe · Manufacturer specifications; individual watches may vary.

Original manufacturer wording is retained for source data without a reviewed translation.

Recorded discovery details.

Reference token
slgb023g
Collection candidate
Not established
Family candidate
Not established
Product type
Watch candidate

Official discovery source

The exact token was retained from a stored official manufacturer URL or feed. The source supports discovery, but does not by itself verify every model detail.

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Source record: grand-seiko-official-batch-20260924 · Manufacturer details checked; editorial publication pending.