OMEGA Speedmaster Moon Watch Co-Axial Master Chronometer Chronograph 310.32.42.50.01.001 

Model Name Speedmaster Moonwatch Co-Axial Master Chronometer Chronograph
Ref No310.32.42.50.01.001
SizeMen's
Case Diameter 42mm
IndexesBar
BeltNylon fabric
Color Black
Dial
Material SS
Bezel Tachymeter
Movement Manual winding
Specifications / Notes
New for 2021 Water resistant to 50m D-buckle
Plastic wind shield Power reserve approx. 50 hours
Swiss Federal Office of Metrology and Accreditation "METAS" approved master chronometer certified model
The popular Speedmaster Professional has undergone a model change. The new Speedmaster Professional is equipped with the upgraded cal. 3861, which has 15,000 gauss anti-magnetic performance, instead of the traditional cal. 1861. The basic design is the same, but the details have been changed. The basic design of the watch is the same, but the details have been changed, such as the stepped indexes and the dot-over-90 on the bezel. This model comes with a nylon fabric belt.