Omega  329.32.44.51.06.001
Omega, Speedmaster series, Grey dial, Orange hands, Racing Chronograph watch, model: 329.32.44.51.06.001, automatic mechanical, transparent back display, movement 9900, silicon hairspring, power reserve 60 hours, diameter 44.25mm, folding clasp, water resistance 50 meters, stick-shaped hour markers, screvel crown, date display function, chronograph, anti-magnetic.