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Ref. SBGA375
Spring Drive GMT with 72-hour power reserve in a refined 40mm case. Combines classic proportions with modern Spring Drive precision.
Diameter
40mm
Thickness
12.5mm
Lug to Lug
46.2mm
Lug Width
20mm
Case Material
Stainless Steel
Water Resistance
100m
Crystal
Sapphire Crystal
Bezel Material
Stainless Steel
Bezel Type
Fixed
Movement Type
Spring Drive
Caliber
9R65
Power Reserve
72h
Frequency
28,800 vph
Jewels
30 jewels
Dial Color
Silver
Numerals
Indices
Bracelet/Strap
Stainless Steel
Clasp Type
Fold Clasp
Clasp Material
Stainless Steel
BRAND
Grand SeikoREFERENCE
SBGA375COLLECTION
Heritage CollectionMOVEMENT
Spring DriveCALIBER
9R65CASE MATERIAL
Stainless SteelCRYSTAL
Sapphire CrystalWATER RESISTANCE
100m (swimming)PRODUCTION
1967 - Present