1975 Omega Speedmaster (WORKING CHRONOGRAPH MODULE)

Description Omega Speedmaster Professional Moonwatch Year: 1975 Condition: Pre-Owned Specifications Case Material: Stainless Steel Case Size: 42mm Case Thickness: Approx. 14mm Lug Width: 20mm Crystal: Hesalite Crystal Dial: Black Step Dial with Tritium Hour Markers and Three Chronograph Registers Bezel: Black Tachymeter Bezel Movement: Manual-Wind Omega Caliber 861 Power Reserve: Approximately 48 Hours Functions: Hours, Minutes, Small Seconds, Chronograph Water Resistance: 50m / 165ft (Not guaranteed due to vintage age) Bracelet/Strap: Stainless Steel Bracelet (Varies by Configuration) Case Back: Solid Stainless Steel with "Flight-Qualified by NASA for All Manned Space Missions" Engraving Condition: Pre-Owned – Fully Functional Chronograph The 1975 Omega Speedmaster Professional Moonwatch represents one of the most iconic eras in the history of space exploration and Swiss watchmaking. Produced during the height of the Apollo era, this vintage Speedmaster retains the timeless design that earned its place as the first watch worn on the Moon. Featuring the legendary 42mm asymmetrical case, black tachymeter bezel, and highly legible tri-compax chronograph layout, this reference remains one of the most celebrated tool watches ever created. Powering the watch is the revered Omega Caliber 861 manual-wind chronograph movement, introduced in 1968 and renowned for its durability, reliability, and ease of service. This example features a fully functioning chronograph module, ensuring that all chronograph functions operate properly—a particularly desirable feature in vintage Speedmasters where service history can vary. The classic Hesalite crystal, vintage tritium dial, and manually wound movement preserve the authentic Moonwatch experience that collectors seek. Vintage Speedmasters from the mid-1970s continue to grow in popularity as enthusiasts recognize their direct connection to NASA's Apollo missions and Omega's historic legacy in space exploration. Combining exceptional historical significance, timeless design, and proven mechanical reliability, this 1975 Speedmaster Professional is an outstanding opportunity to own one of the most important chronographs ever produced. Alexanders Jewelers is located in Columbus, Ohio and has specialized in luxury watches and fine jewelry for over 20 years. We are members of Jewelers of America and the Better Business Bureau with an A+ rating. Every pre-owned luxury timepiece is carefully inspected for authenticity and condition. We offer financing options and accept all major credit cards and wire transfers.