The Omega Speedmaster Professional Moonwatch, reference 3573.50.00, is a legend. A timepiece synonymous with space exploration, enduring style, and unparalleled horological heritage, this specific model, often simply referred to as the 3573.50.00, holds a special place in the hearts of watch enthusiasts worldwide. This article delves deep into the intricacies of the Omega Speedmaster 3573.50.00 (note the corrected reference number), exploring its history, design, specifications, and what makes it such a sought-after piece in the Speedmaster Moonwatch family, specifically the 42mm steel on steel variant.
A Legacy Forged in Fire (and Space): The History of the Speedmaster Professional
The story of the Omega Speedmaster Professional isn't just a watch story; it's a story of human ambition, scientific achievement, and unwavering reliability. The Speedmaster's journey began in the late 1950s, when Omega sought to create a robust chronograph capable of withstanding the rigors of motorsport. Its tachymeter bezel, perfectly calibrated for speed calculations, became a defining feature, quickly establishing its presence in the world of racing.
However, it was the Speedmaster's performance in the unforgiving environment of space that truly cemented its legendary status. In 1965, after rigorous testing by NASA, the Speedmaster was officially certified as flight-qualified for all manned space missions. It became the only watch worn on the lunar surface during the Apollo 11 mission, accompanying Neil Armstrong and Buzz Aldrin on their historic first steps. This pivotal moment transformed the Speedmaster from a high-performance chronograph into an enduring symbol of human exploration and achievement.
The reference 3573.50.00, the focus of this article, represents a direct descendant of this lineage. It embodies the core design principles and functionality that made the original Speedmaster a success, while incorporating subtle refinements and improvements over the years.
The 3573.50.00: A Detailed Examination
The Omega Speedmaster Professional 3573.50.00 is a classic example of the "Moonwatch" design. Its 42mm stainless steel case, perfectly proportioned for both men and women with larger wrists, houses a robust and reliable movement. The brushed finish on the case, combined with the polished bevels, creates a sophisticated and understated aesthetic that belies the watch's incredible history.
The dial is arguably the most captivating aspect of the 3573.50.00. The classic black dial, often referred to as "Step Dial," features applied baton hour markers and luminous hands, ensuring excellent legibility in low-light conditions. The sub-dials, displaying the chronograph functions (seconds, 30-minute counter, and 12-hour counter), are perfectly integrated into the overall design, adding to the watch's balanced and harmonious aesthetic. The iconic Speedmaster logo, along with the "Professional" inscription, proudly sits below the 12 o'clock marker.
The crystal is a Hesalite crystal, a material chosen for its durability and resistance to shattering – a crucial feature for a watch designed for extreme conditions. While sapphire crystals are more scratch-resistant, Hesalite's unique properties, including its ability to slightly deform upon impact, helped to protect the movement during the Apollo missions. This choice reflects Omega's commitment to preserving the historical accuracy and functionality of the Moonwatch.
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