
Ref. SBGM227
The Grand Seiko Sport, reference SBGM227, is a GMT watch with a 39.4 mm steel case. The case has a thickness of 14.1 mm and a lug-to-lug span of 46.8 mm; water resistance is rated to 100 metres; the case has a screw-down crown. A dual-curved sapphire crystal has an anti-reflective coating on the inner surface. The watch has a date display and a see-through case back. A folding clasp with push button release closes the steel bracelet. Calibre 9S66 is self-winding with 35 jewels and approximately 72 hours of power reserve.
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TECHNICAL SPECIFICATIONS
CASE
Diameter
39.4mm
Thickness
14.1mm
Lug to Lug
46.8mm
Lug Width
19mm
Case Material
Steel
Water Resistance
100m
Crystal
Sapphire Crystal
MOVEMENT
Movement Type
Automatic
Caliber
9S66
Power Reserve
72h
Frequency
28,800 vph (4 Hz)
Jewels
35 jewels
BRACELET/STRAP
Bracelet/Strap
Steel
Clasp Type
Fold Clasp
FEATURES & COMPLICATIONS
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Other watches with the 9S66 calibre
QUICK FACTS
BRAND
Grand SeikoREFERENCE
SBGM227COLLECTION
SportMOVEMENT
AutomaticCALIBER
9S66CASE MATERIAL
SteelCRYSTAL
Sapphire CrystalWATER RESISTANCE
100m (swimming)FOR WATCH DEALERS
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