Omega Chronostop 146.012 NOSOmegas role in the Olympic Games is not decorative branding, but functional authority. Since 1932, Omega has been entrusted with measuring performance where fractions of a second separate victory from anonymity. The Chronostop was born inside this logic: not a luxury chronograph, but a purpose built instrument for timing a single, decisive action. The Chronostop targets the moment that matters in a race. One press. One measurement. No clutter, no