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SBGW306
1 Variant
Retail MSRP
$17,900
Low
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Avg
—
High
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Static data
Case
36.5mm
Power Reserve
72h
Movement
Manual
Water Resistance
100m
01
Case Dimensions
Diameter36.5mm
Thickness11.7mm
Lug-to-Lug42.7mm
Lug Width18mm
02
Case Build
MaterialGold
Water Resistance100m
03
Crystal & Dial
CrystalSapphire
AR CoatingYes
04
Movement
Caliber
TypeManual
Beat Rate—
Power Reserve72 hours
Jewels—
HackingNo
Hand-WindingNo
ComplicationsTime only
05
Design Language
Dial styleTextured
BezelFixed
Bracelet / strapLeather strap
HandsDauphine
AI-detected from product image · 5/22/2026
In a nutshell
The Grand Seiko SBGW306 (ref. sbgw306j) is a manual dress watch, with a 36.5mm gold case, 11.7mm thick, powered by the 9S64 movement and a 72-hour power reserve. Water resistance is rated to 100m, under a sapphire crystal. Manufacturer MSRP is $17,900.