Omega Speedmaster Professional “Moonwatch” 42mm – Ref. 3950.50 – Manual Wind

The Omega Speedmaster Professional Moonwatch Ref. 3950.50 remains one of the most iconic watches ever created. Known for its role in NASA’s lunar missions, the Speedmaster embodies history, precision, and timeless design. This reference features the classic 42mm stainless steel case, Hesalite crystal, black dial with luminous markers, and the signature three-register chronograph layout.

Powered by Omega’s manual-wind Caliber 861/1861 family, the 3950.50 captures the authentic Moonwatch experience collectors seek. Its comfortable bracelet, traditional tachymeter bezel, and durable construction make it perfect for both everyday wear and collecting.

A must-have piece for anyone looking to own a true part of watchmaking and space-exploration history.

Key Features 

• Model Reference: 3950.50

• Collection: Omega Speedmaster Professional Moonwatch

• Case Size: 42mm stainless steel

• Crystal: Hesalite crystal (classic Moonwatch design)

• Movement: Manual-wind Omega Caliber (861/1861 depending on production year)

• Dial: Black with luminous hands & hour markers

• Functions: Chronograph, small seconds, tachymeter scale

• Bezel: Black aluminum tachymeter bezel

• Caseback: Solid steel Moonwatch caseback

• Strap/Bracelet: Stainless steel bracelet

• Water Resistance: 50 meters

• Power Reserve: Approximately 48 hours

• Legacy: Direct descendant of the NASA-certified Moonwatch