Ref. 310.30.42.50.01.001
Omega Speedmaster Professional reference 310.30.42.50.01.001 has a 42 mm steel case. The case is 13.54 mm thick and measures 47.5 mm lug to lug. Calibre 3861 is a manual-winding movement with a 50 hour power reserve. The crystal is Hesalite, and the dial is black. As a chronograph, the Speedmaster also has small seconds, and its fixed bezel carries a tachymeter scale. The watch is certified as a Master Chronometer. Omega rates the case to 50 metres. A steel bracelet is fitted, closed by a foldover clasp with 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
Plexiglass
Bezel Material
Aluminum
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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