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Grand Seiko Mechanical Hi-Beat GMT SBGJ203

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

Grand Seiko watches

Grand SeikoMechanical 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 28/09/2026

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

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

More from the collection

All references