Ref. SBGR311
The Grand Seiko Heritage, reference SBGR311, has a 42 mm steel case and is a limited edition of 1300 pieces. Case thickness is 13.1 mm, with a lug-to-lug measurement of 47.9 mm; water resistance is rated to 100 metres. Calibre 9S68 is self-winding with 35 jewels and approximately 72 hours of power reserve. This model has a date display and a see-through case back. A folding clasp with push button release closes the steel bracelet. The dial has a radial spiral pattern formed from 80 curved lines. The dial is covered by a dual-curved sapphire crystal with an inner anti-reflective coating.
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TECHNICAL SPECIFICATIONS
GENERAL
Limited Edition
1,300 pieces
CASE
Diameter
42mm
Thickness
13.1mm
Lug to Lug
47.9mm
Lug Width
21mm
Case Material
Steel
Water Resistance
100m
Crystal
Sapphire Crystal
MOVEMENT
Movement Type
Automatic
Caliber
9S68
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 9S68 calibre
QUICK FACTS
BRAND
Grand SeikoREFERENCE
SBGR311COLLECTION
HeritageMOVEMENT
AutomaticCALIBER
9S68CASE MATERIAL
SteelCRYSTAL
Sapphire CrystalWATER RESISTANCE
100m (swimming)LIMITED EDITION
1,300 piecesFOR WATCH DEALERS
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