lug2lug
BrowseCompareNewsCommunityMy Watches
BrowseCompareNewsCommunityMy Watches
Theme
Popular microbrands:Christopher Ward·Baltic·anOrdain·Atelier Wen·Boldr·Bremont·Dan Henry·DOXABrowse all →
Best, by the specs:Best dress watches·Diver under $5,000·Chronograph under $5,000·Sport under $5,000·GMT under $5,000·Field under $2,000·Best tool watches·Pilot under $2,000All rankings →
Glossary:Lug-to-Lug·Water Resistance·Chronograph·GMT·Automatic·LumeBrowse all →
Tools:Collection tracker·Wrist-fit calculator·What should I buy?·Value retention rankings·iPhone app
Lug2Letter
Watches worth knowing about, weekly.
Curated discoveries, founder spotlights, and the occasional deep-dive.
Now on iPhone
Download on theApp Store
TermsPrivacyCopyrightDisclosuresContactContribute

Independent reference site · not affiliated with any brand · contains affiliate links

© 2026 Lug2Lug LLC · Prices are estimates and not offers

Home/Browse/Grand Seiko/STGK003
Grand Seiko STGK003 — STGK003J
Click to inspect
Visit →

Grand Seiko STGK003

Dress
STGK003
SBGA211
SBGA293
SBGA375
SBGA384
SBGA385
SBGA413
SBGA427
SBGA469
SBGH263
SBGH281
SBGH341
SBGH347
SBGH349
SBGH368
SBGM245
SBGR299
SBGX359
SBGX363
STGK003
STGK007
STGK031
3 Variants
Buy from Grand Seiko ↗
Buy used on eBay ↗

Some links here are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

Retail MSRP
from$31,200
Low
—
Avg
—
High
—
Static data
Track this price
Buy from Grand Seiko
Buy used on eBay

Some links here are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

Alternatives
Case
28.7mm
Power Reserve
50h
Movement
Automatic
Water Resistance
100m
Crystal
Sapphire + AR
01

Case Dimensions

Diameter28.7mm
Thickness10.9mm
Lug-to-Lug35.1mm
Lug Width14mm
02

Case Build

MaterialGold
Water Resistance100m
03

Crystal & Dial

CrystalSapphire
AR CoatingYes
Dial ColorSTGK003J
04

Movement

Caliber
Grand Seiko 9S27
TypeAutomatic
Beat Rate—
Power Reserve50 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
Ask the communityStart a discussion about the STGK003 — get takes from other collectors.Ask →
In a nutshell

The Grand Seiko STGK003 is an automatic dress watch, with a 28.7mm gold case, 10.9mm thick, powered by the Grand Seiko 9S27 movement and a 50-hour power reserve. Water resistance is rated to 100m, under a sapphire crystal. Manufacturer MSRP is $31,200.