Omega Speedmaster Professional Moonwatch 3861 Stainless Steel / White / Sapphire / Rubber Ref. 310.32.42.50.04.001

The Omega Speedmaster Moonwatch Professional 310.32.42.50.04.001 debuted in 2024 as a white-dial variant within the Moonwatch Professional collection, combining historically inspired design elements with Omega’s current Master Chronometer movement architecture. The watch is housed in a 42 mm stainless steel asymmetrical case with a lug-to-lug length of 47.50 mm and a thickness of 13.18 mm. Water resistance is rated to 5 bar. A black anodised aluminium bezel with tachymeter scale surrounds the dial and includes the dot over 90 detail. The front crystal is scratch-resistant sapphire with anti-reflective treatment on the inside, while a sapphire exhibition caseback provides a view of the movement. The white lacquered step dial references the fourth-generation Speedmaster worn during lunar missions and features applied hour markers and an applied Omega logo. Contrasting black details are paired with Moonwatch-style hands. The chronograph layout consists of a small seconds display, a 30-minute recorder, and a 12-hour recorder arranged in a traditional tri-compax configuration. Powering the watch is the manual-winding Omega Calibre 3861, a Co-Axial Master Chronometer movement certified by METAS. The calibre operates at a frequency of 3 Hz, delivers a power reserve of approximately 50 hours, and is resistant to magnetic fields up to 15,000 gauss. It features a free-sprung balance with a silicon balance spring. The Speedmaster Moonwatch Professional 310.32.42.50.04.001 is delivered on a black rubber strap fitted with a foldover clasp.