Omega Speedmaster Professional Moonwatch Co-Axial Master Chronometer 42mm

Omega 310.60.42.50.99.002 Speedmaster Professional Moonwatch Co-Axial Master Chronometer 42mm.  This stunning Omega watch features a brushed and polished 18kt Moonshine gold case and bracelet, complemented by a polished 18kt Moonshine gold crown and buttons. The black ceramic bezel ring, marked with a tachymeter scale and the iconic dot over 90 ('DON'), frames the sun-brushed 18kt Moonshine dial, which showcases a double-stepped design with a step-up dial perimeter and stepped-down black sub-dials. Blackened hands with luminous fill enhance visibility, alongside applied blackened index hour markers featuring luminous tips. The dial also includes fine printed minutes, seconds, and fractions of a second index markers, with a small continuous running seconds sub-dial positioned at 9 o'clock. The chronograph functions are highlighted by a large central seconds hand counter, a 30-minute counter at 3 o'clock, and a 12-hour counter at 6 o'clock. This timepiece is powered by the Omega caliber 3861, which beats at 21,600 vph (3Hz) and contains 26 jewels, offering an approximate power reserve of 50 hours. As a METAS Certified Master-Chronometer, it has undergone rigorous testing to ensure water resistance, precision, and magnetic resistance, withstanding magnetic fields greater than 15,000 gauss.