Description

Speedmaster Professional Moonwatch Co-Axial Chronometer 42 mm, Stainless Steel on Bracelet Ref. 311.30.42.30.01.006

Overview

The Omega Speedmaster Professional Moonwatch 42 mm Ref. 311.30.42.30.01.006 stands as one of the most iconic timepieces in history — the first watch worn on the Moon. A direct descendant of the chronographs used during NASA’s Apollo missions, this model combines the timeless Speedmaster design with modern sapphire crystal durability and meticulous finishing.

Design & Materials

• Case: 42 mm stainless steel case featuring brushed lugs and polished accents, faithful to the original Moonwatch proportions.
• Bezel: Black aluminum bezel ring with white tachymeter scale — a signature hallmark of the Speedmaster line.
• Dial: Matte black step dial with white printed minute track and three recessed subdials for small seconds, 30-minute, and 12-hour chronograph counters.
• Hands: White baton hands coated with Super-LumiNova for exceptional clarity and night-time visibility.
• Bracelet: Polished-brushed stainless steel bracelet with a classic folding clasp — comfortable, robust, and true to the Speedmaster spirit.
• Aesthetic: A timeless combination of functionality and heritage, blending professional instrumentation with elegant proportions.

Movement

• Caliber: Omega Calibre 1863 — a manual-winding chronograph movement.
• Functions: Hours, minutes, small seconds, central chronograph seconds, 30-minute and 12-hour totalizers.
• Power Reserve: Approximately 48 hours.
• Features: Rhodium-plated finish, decorated bridges, and Geneva waves visible through the sapphire caseback.

Technical Specifications

• Reference: 311.30.42.30.01.006
• Collection: Speedmaster Professional Moonwatch
• Case: Stainless steel, 42 mm
• Dial: Black matte with luminous hands and markers
• Bezel: Black aluminum tachymeter bezel
• Bracelet: Stainless steel bracelet with folding clasp
• Crystal: Sapphire crystal front and sapphire caseback (double-sapphire configuration)
• Caseback: Transparent sapphire displaying the Calibre 1863 movement
• Water Resistance: 50 meters (167 feet)
• Condition: New / Unworn
• Box & Papers: Complete Omega presentation box with loupe, strap set, and international warranty card

Prestige & Value

The Speedmaster Professional Moonwatch Ref. 311.30.42.30.01.006 remains the ultimate expression of Omega’s spacefaring legacy. With its manual-winding movement, sapphire clarity, and legendary design worn on the Moon, it symbolizes human achievement, precision engineering, and timeless style. A true collector’s timepiece — equally at home in a showcase or under the cuff of a modern explorer.