View Omega Professional Chronometer US. Early models offer magnetic resistance to 1,000 gauss, while modern master chronometers can withstand up to 15,000 gauss. According to legend, nasa concluded a series of secret tests to select a chronometer for space flight in 1965.
The speedmaster professional was introduced by omega in 1964.
Stainless steel case with a stainless steel bracelet. Find great deals on ebay for omega seamaster professional chronometer. Safe favorite watches & buy your dream omega seamaster aqua terra 150m master chronometer. 125 results for omega seamaster professional chronometer.