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SLGB023
2 Variants
Retail MSRP
$12,400
Low
—
Avg
—
High
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Static data
Case
40.8mm
Power Reserve
72h
Movement
Spring Drive
Water Resistance
300m
01
Case Dimensions
Diameter40.8mm
Thickness12.9mm
Lug-to-Lug48.5mm
Lug Width21mm
02
Case Build
MaterialTitanium
Water Resistance300m
03
Crystal & Dial
CrystalSapphire
AR CoatingYes
Dial ColorSLGB023G
04
Movement
Caliber
TypeSpring Drive
Beat Rate—
Power Reserve72 hours
Jewels—
HackingNo
Hand-WindingNo
ComplicationsTime only
05
Design Language
Dial styleTextured
Sub-dials1
BezelRotating (dive)
Bracelet / strapLug-attached bracelet
HandsDauphine
AI-detected from product image · 5/22/2026
In a nutshell
The Grand Seiko SLGB023 (ref. slgb023g) is a spring drive diver watch, with a 40.8mm titanium case, 12.9mm thick, powered by the 9RB1 movement and a 72-hour power reserve. Water resistance is rated to 300m, under a sapphire crystal. Manufacturer MSRP is $12,400.