Ref. STGF345
The Grand Seiko Heritage, reference STGF345, has a steel case measuring 30.4 mm in diameter and is set with diamonds. The case has a thickness of 10.6 mm and a lug-to-lug span of 35.2 mm; water resistance is rated to 100 metres. A dual-curved sapphire crystal has an anti-reflective coating on the inner surface. A folding clasp with push button release closes the steel bracelet. The case and dial carry 40 diamonds, and the watch has magnetic resistance. Timekeeping is provided by quartz calibre 4J51, which operates with a precision of ±10 seconds per year.
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TECHNICAL SPECIFICATIONS
CASE
Diameter
30.4mm
Thickness
10.6mm
Lug to Lug
35.2mm
Case Material
Steel
Water Resistance
100m
Crystal
Sapphire Crystal
MOVEMENT
Movement Type
Quartz
Caliber
4J51
BRACELET/STRAP
Bracelet/Strap
Steel
Clasp Type
Fold Clasp
FEATURES & COMPLICATIONS
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Other watches with the 4J51 calibre
QUICK FACTS
BRAND
Grand SeikoREFERENCE
STGF345COLLECTION
HeritageMOVEMENT
QuartzCALIBER
4J51CASE MATERIAL
SteelCRYSTAL
Sapphire CrystalWATER RESISTANCE
100m (swimming)FOR WATCH DEALERS
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