Omega Speedmaster Professional Moonwatch Co-Axial Master Chronometer 42mm

Omega 310.30.42.50.01.001 Speedmaster Professional Moonwatch Co-Axial Master Chronometer 42mm.  This Omega timepiece boasts a brushed and polished stainless steel case, complemented by a polished stainless steel crown and buttons. It features a Hesalite crystal with the Omega logo stamped at its center and a black anodized aluminum bezel ring, which includes a tachymetric scale and the iconic dot over 90 ('DON'). The matte black double-stepped dial showcases a raised perimeter and lowered sub-dials, with white hands filled with luminous material for visibility. The luminous painted index hour markers and fine printed minute, seconds, and fractions of a second markers add to its clarity, alongside a small continuous running seconds sub-dial located at 9 o'clock. Its 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, this movement beats at 21,600 vph, contains 26 jewels, and offers an approximate power reserve of 50 hours. As a METAS Certified Master-Chronometer, this watch undergoes rigorous testing for water resistance, precision, and magnetic resistance, proving anti-magnetic capabilities against fields greater than 15,000 gauss. It also features a silicon balance spring and co-axial escapement, ensuring enhanced performance and reliability.