Omega Speedmaster Professional Moonwatch Co-Axial Master Chronometer 42mm

Omega 310.60.42.50.10.001 Speedmaster Professional Moonwatch Co-Axial Master Chronometer 42mm.  This exquisite Omega watch features a brushed and polished 18kt Moonshine gold case and bracelet, with a polished 18kt Moonshine gold crown and buttons. The striking green ceramic bezel ring is adorned with a tachymeter scale and the renowned dot over 90 ('DON'). The sun-brushed green PVD dial showcases a double-stepped design, featuring a step-up perimeter and stepped-down green sub-dials. Gold hands with luminous fill provide excellent readability, complemented by applied blackened index hour markers with luminous tips. Fine printed minutes, seconds, and fractions of a second index markers enhance precision, while a small continuous running seconds sub-dial is positioned at 9 o'clock. Chronograph functions include a large central seconds hand counter, a 30-minute counter at 3 o'clock, and a 12-hour counter at 6 o'clock. Powered by the Omega caliber 3861, which beats at 21,600 vph (3Hz) and contains 26 jewels, this movement offers an approximate power reserve of 50 hours. As a METAS Certified Master-Chronometer, this watch has undergone rigorous testing for water resistance, precision, and magnetic resistance, achieving resilience against magnetic fields greater than 15,000 gauss. It also features a silicon balance spring and co-axial escapement for superior performance and reliability.