Discover the Omega Constellation Co-Axial Master Chronometer 39mm (131.23.39.20.02.002). This exquisite timepiece features a stainless steel and 18K yellow gold case, a silk-embossed silver dial with Roman numerals, and a date window at 6 o'clock. Powered by the Calibre 8800, it offers a 55-hour power reserve and exceptional anti-magnetic properties.