Ref. 310.30.42.50.01.004
The Omega Speedmaster Moonwatch Professional, reference 310.30.42.50.01.004, is a chronograph with a 42 mm case. The case is steel, 13.54 mm thick and 47.5 mm lug to lug. A black dial sits under a sapphire crystal with anti-reflective treatment inside, and the bezel ring is ceramic. The case has a display back. Calibre 3861 is manual-winding, with a 50 hour power reserve and Master Chronometer certification. The watch has a tachymeter and small seconds. Omega rates the case to 50 metres. The bracelet is steel, with a foldover clasp that has a comfort setting.
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TECHNICAL SPECIFICATIONS
GENERAL
Gender
Men
CASE
Diameter
42mm
Thickness
13.54mm
Lug to Lug
47.5mm
Lug Width
20mm
Case Material
Steel
Water Resistance
50m
Crystal
Sapphire Crystal
Bezel Material
Ceramic
MOVEMENT
Movement Type
Manual Winding
Caliber
3861
Frequency
21,600 vph (3 Hz)
Jewels
27 jewels
DIAL
Dial Color
Black
Numerals
Lines
BRACELET/STRAP
Bracelet/Strap
Steel
Clasp Type
Fold Clasp
Clasp Material
Steel
FEATURES & COMPLICATIONS
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FOR WATCH DEALERS
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