LoupeLabWatch Comparison
Grand Seiko Automatic Date Stainless Steel / Black / Bracelet vs Grand Seiko Spring Drive Stainless Steel / Silver / Bracelet
Side-by-side specifications for Grand Seiko Automatic Date Stainless Steel / Black / Bracelet and Grand Seiko Spring Drive Stainless Steel / Silver / Bracelet.
Showing specs with available data (97% coverage).
Grand Seiko
Grand Seiko Automatic Date Stainless Steel / Black / Bracelet
Ref. SBGR257
Grand Seiko
Grand Seiko Spring Drive Stainless Steel / Silver / Bracelet
Ref. SBGA299
Case
Diameter39.4 mm40.5 mm
Thickness13.5 mm12.9 mm
MaterialStainless SteelStainless Steel
Water Resist.100 m100 m
CrystalSapphireSapphire
Dial ColorBlackSilver
Bracelet
Lug Width20 mm—
Movement
CaliberGrand Seiko 9S65Grand Seiko 9R65
ManufacturerGrand SeikoGrand Seiko
TypeAutomaticSpring Drive
Power Reserve72 hrs72 hrs
Frequency28,800 bph--
Jewels3530
Complicationshours, minutes, seconds, datehours, minutes, seconds, date, power reserve indicator
Pricing & Production
CollectionMechanicalSpring Drive
Grand Seiko
Grand Seiko Automatic Date Stainless Steel / Black / Bracelet Ref. SBGR257
Grand Seiko
Grand Seiko Spring Drive Stainless Steel / Silver / Bracelet Ref. SBGA299
Case
Diameter
SBGR25739.4 mm
SBGA29940.5 mm
Thickness
SBGR25713.5 mm
SBGA29912.9 mm
Material
SBGR257Stainless Steel
SBGA299Stainless Steel
Water Resist.
SBGR257100 m
SBGA299100 m
Crystal
SBGR257Sapphire
SBGA299Sapphire
Dial Color
SBGR257Black
SBGA299Silver
Bracelet
Lug Width
SBGR25720 mm
SBGA299—
Sponsored
Movement
Caliber
SBGR257Grand Seiko 9S65
SBGA299Grand Seiko 9R65
Manufacturer
SBGR257Grand Seiko
SBGA299Grand Seiko
Type
SBGR257Automatic
SBGA299Spring Drive
Power Reserve
SBGR25772 hrs
SBGA29972 hrs
Frequency
SBGR25728,800 bph
SBGA299--
Jewels
SBGR25735
SBGA29930
Complications
SBGR257hours, minutes, seconds, date
SBGA299hours, minutes, seconds, date, power reserve indicator
Pricing & Production
Collection
SBGR257Mechanical
SBGA299Spring Drive
Sponsored