Description

Speedmaster Moonwatch Professional Co-Axial Master Chronometer Chronograph 42 mm, Stainless Steel on Bracelet Ref. 310.30.42.50.01.001

Overview

The Omega Speedmaster Moonwatch Professional 42 mm Ref. 310.30.42.50.01.001 continues the legend of the watch that went to the Moon. Updated with OMEGA’s Co-Axial Master Chronometer Calibre 3861, this modern Moonwatch preserves the soul of the original — the timepiece worn by Apollo astronauts — while introducing contemporary precision, anti-magnetic technology, and exceptional finishing.

Design & Materials

• Case: 42 mm stainless steel case with mixed brushed and polished surfaces, faithful to the 4th-generation “Moonwatch” profile of the ST 105.012 flown on Apollo missions.
• Bezel: Black anodized aluminum tachymeter bezel with the legendary “dot-over-ninety” ( DON ) scale.
• Dial: Matte black step dial with applied OMEGA logo and three sub-dials for 30-minute, 12-hour, and small-seconds counters.
• Hands & Indexes: Rhodium-plated baton hands and hour markers coated with Super-LumiNova for clarity in all light conditions.
• Bracelet: Five-arched link stainless-steel bracelet with polished edges and brushed outer links, tapered from 20 mm to 15 mm for superior comfort.
• Aesthetic: Classic, instrumental, and timeless — the Moonwatch in its purest and most refined form.

Movement

• Caliber: Omega Co-Axial Master Chronometer Calibre 3861 — manual-winding chronograph movement.
• Functions: Hours, minutes, small seconds, chronograph ( central seconds, 30-minute and 12-hour recorders ).
• Power Reserve: Approximately 50 hours.
• Certification: METAS Master Chronometer certified; resistant to magnetic fields up to 15 000 gauss; equipped with Co-Axial escapement and silicon Si14 balance spring.

Technical Specifications

• Reference: 310.30.42.50.01.001
• Collection: Speedmaster Moonwatch Professional
• Case: Stainless steel, 42 mm
• Dial: Matte black step dial with applied logo and luminous hands & indexes
• Bezel: Black anodized aluminum tachymeter “DON” scale
• Bracelet: Five-link tapered stainless-steel bracelet with folding clasp
• Crystal: Hesalite front crystal with OMEGA logo embossed in the center ( sapphire available on Ref. 310.30.42.50.01.002 )
• Caseback: Solid steel caseback engraved with “FLIGHT-QUALIFIED BY NASA FOR ALL MANNED SPACE MISSIONS” and “THE FIRST WATCH WORN ON THE MOON”
• Water Resistance: 50 meters ( 167 feet )
• Condition: New / Unworn
• Box & Papers: Full Omega Moonwatch presentation box with loupe, NATO and Velcro straps, and international warranty card

Prestige & Value

The Speedmaster Professional Moonwatch Ref. 310.30.42.50.01.001 is the ultimate expression of Omega’s lunar heritage and mechanical excellence. Certified as a Master Chronometer and faithful to the design worn on the Moon, it embodies over six decades of precision, endurance, and history. A true icon of horology — crafted for collectors, explorers, and those who aim higher than Earth itself.