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Ref. SBGM001
Early Spring Drive GMT in dress watch format with Zaratsu polished case. Elegant proportions combined with Spring Drive's precise timekeeping.
Diameter
39.5mm
Thickness
13.7mm
Lug to Lug
45.8mm
Lug Width
19mm
Case Material
Stainless Steel
Water Resistance
100m
Crystal
Sapphire Crystal
Bezel Material
Stainless Steel
Bezel Type
Fixed
Movement Type
Automatic
Caliber
Caliber 9S56A
Power Reserve
72h
Frequency
28,800 vph
Jewels
30 jewels
Dial Color
Ivory
Numerals
Indices
Bracelet/Strap
Leather
Clasp Type
Fold Clasp
Clasp Material
Stainless Steel
BRAND
Grand SeikoREFERENCE
SBGM001COLLECTION
Elegance CollectionMOVEMENT
AutomaticCALIBER
Caliber 9S56ACASE MATERIAL
Stainless SteelCRYSTAL
Sapphire CrystalWATER RESISTANCE
100m (swimming)PRODUCTION
2002 - Present