Omega Speedmaster Moonwatch Professional 42mm

The Omega Speedmaster Moonwatch Professional 42 mm – reference 310.30.42.50.01.002 – is the durable "Sapphire Sandwich" edition of the iconic Moonwatch. The 42 mm polished and brushed steel case features a black aluminum tachymeter bezel with the signature "dot-over-ninety" scale. The black dial with matte stacking and recessed subdials houses the manually wound Co-Axial Master Chronometer caliber 3861, visible through the sapphire case back. This refined timepiece offers a 50-hour power reserve, is anti-magnetic to 15,000 gauss, and is COSC/METAS certified. Finished with a stainless steel bracelet, a folding clasp with comfort micro-adjustment, and water resistance to 50 meters, this model balances heritage with modern technology and elegance.