Omega Speedmaster Professional Moonwatch 42mm – Co-Axial Master Chronometer – Ref. 310.30.42.50.01.002

The Omega Speedmaster Moonwatch Master Chronometer Ref. 310.30.42.50.01.002 represents the newest generation of the legendary Moonwatch — upgraded inside and out. Maintaining the iconic 42mm asymmetrical case, black step dial, and classic tri-register layout, this model brings modern innovation with its METAS-certified Co-Axial Master Chronometer movement, offering superior accuracy, anti-magnetic resistance, and reliability. Featuring a sapphire crystal, display caseback, and the latest Omega Caliber 3861, this Moonwatch combines historic design with cutting-edge technology. Key Features: Model Reference: 31.10.42.51.01.002 (Omega 310.30.42.50.01.002) Model: Speedmaster Moonwatch Professional Case Size: 42mm stainless steel Crystal: Sapphire crystal (front & back) Movement: Omega Caliber 3861 Co-Axial Master Chronometer Certification: METAS Master Chronometer (industry-leading accuracy & anti-magnetic resistance) Dial: Black step dial with luminous markers Caseback: Sapphire exhibition caseback Bezel: Black aluminum tachymeter bezel Bracelet: Stainless steel Moonwatch bracelet Power Reserve: 50 hours Water Resistance: 50m Features: Chronograph, small seconds, tachymeter, anti-magnetic movement Legacy: Direct descendant of the NASA-worn Speedmaster