Ref. 311.93.42.30.99.001
Omega Speedmaster Calibre 321, reference 311.93.42.30.99.001, is a 42 mm platinum chronograph. The case is 13.39 mm thick and measures 47.6 mm from lug to lug. A scratch-resistant sapphire crystal with anti-reflective treatment on both sides covers the black dial. The movement is Omega calibre 321, which is manual-winding and has a 55 hour power reserve. The movement has a column wheel mechanism and a Breguet balance-spring. The watch also has small seconds and a tachymeter. Omega rates the case to 5 bar, or 50 metres. The watch has a display back and is fitted with a black leather strap.
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TECHNICAL SPECIFICATIONS
GENERAL
Gender
Men
CASE
Diameter
42mm
Thickness
13.39mm
Lug to Lug
47.6mm
Lug Width
20mm
Case Material
Platinum
Water Resistance
50m
Crystal
Sapphire Crystal
Bezel Material
Ceramic
MOVEMENT
Movement Type
Manual Winding
Caliber
321
DIAL
Dial Color
Black
Numerals
Lines
BRACELET/STRAP
Bracelet/Strap
Leather
Clasp Type
Buckle
Clasp Material
Platinum
FEATURES & COMPLICATIONS
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FOR WATCH DEALERS
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