
Ref. 310.30.42.50.01.004
The Omega Speedmaster Moonwatch Professional 310.30.42.50.01.004 is a 42mm steel chronograph with a black dial and a ceramic tachymeter bezel. Its sapphire crystal allows a view of the automatic calibre 3861, a Master Chronometer certified movement. The case is completed with a steel bracelet, and the chronograph function pairs with a tachymeter scale for measuring speed over a known distance.
TECHNICAL SPECIFICATIONS
GENERAL
Gender
Men
CASE
Diameter
42mm
Case Material
Steel
Crystal
Sapphire Crystal
Bezel Material
Ceramic
MOVEMENT
Movement Type
Automatic
Caliber
3861
Frequency
21,600 vph
Jewels
27 jewels
DIAL
Dial Color
Black
BRACELET/STRAP
Bracelet/Strap
Steel
FEATURES & COMPLICATIONS
ChronographTachymeterMaster ChronometerChronometer
