Omega Speedmaster Professional Moonwatch Co-Axial Master Chronometer 42mm

Omega 310.62.42.50.99.001 Speedmaster Professional Moonwatch Co-Axial Master Chronometer 42mm.  This stunning Omega watch features a brushed and polished 18kt Moonshine gold case, paired with a polished 18kt Moonshine gold crown and buttons. The black ceramic bezel ring boasts a tachymeter scale and the iconic dot over 90 ('DON'). The sun-brushed 18kt Moonshine dial features a double-stepped design, with a step-up dial perimeter and stepped-down black sub-dials. Blackened hands with luminous fill enhance visibility, complemented by applied blackened index hour markers that also have luminous tips. Fine printed minute, second, and fraction of a second index markers add precision, while a small continuous running seconds sub-dial is located 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 provides 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 resistance to magnetic fields greater than 15,000 gauss. Additionally, it features a silicon balance spring and a co-axial escapement for superior performance and reliability.