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Grand Seiko Mechanical Hi-Beat GMT SBGJ203

Photography: Exquisite Timepieces – © brand or retailer – shown for identification, see source

Grand Seiko

Mechanical Hi-Beat GMT

Reference SBGJ203

Lowest

€3,902

Median

€4,740

Highest

€5,525

Prices are indicative, taken from public retailer listings. Always confirm with the seller.

Specifications

BrandGrand Seiko
CollectionSport
ReferenceSBGJ203
Case materialSteel
Diameter40 mm
MovementAutomatic
Power reserve55 h
Water resistance100 m
Bracelet / strapMetal bracelet
DialBlack
CrystalSapphire
TypeGMT
ComplicationsGMT, Date
For whomMen
Add to comparisonGrand Seiko encyclopedia

Market offers

3 sellers · updated 27/09/2026

SellerCountryRegionSeller typeStockLocal priceEUR
Exquisite TimepiecesUnited StatesNorth AmericaAuthorized dealerOn requestUS$4,450€3,902View offer
MontredoGermanyEuropeGrey marketOn request€4,740€4,740View offer
Arizona Fine TimeUnited StatesNorth AmericaAuthorized dealerOn requestUS$6,300€5,525View offer

Price history

Daily lowest and median price across active offers

History starts with the first crawl. The chart fills in as daily snapshots accumulate.

From the retailer listing

Grand Seiko Mechanical Hi-Beat GMT SBGJ203 Drive system Mechanical Automatic (Hand winding capability) Caliber No. 9S86 Case Stainless steel Case back See-through screw case back with sapphire crystal Glass High definition dual-curved sapphire crystal with anti-reflective coating Bracelet Solid stainless steel Buckle Stainless steel with three-fold clasp with push button release Accuracy +5 ~ -3 seconds/ day Water resistance 10 bar Magnetic resistance 4800 A/m (60 gauss) Weight 151g Case thickness 14.0 mm Case diameter 40.0mm Jewels 37 Remarks Screw crown

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