The Omega Speedmaster Professional Moonwatch is an icon, a legend cemented in history by its role in the Apollo missions. Within the Speedmaster family, two movements have dominated recent years: the venerable Calibre 1861 and its modern successor, the Calibre 3861. Choosing between a watch featuring one or the other is a decision that demands careful consideration, weighing history, aesthetics, technology, and future availability. This article dives deep into the nuances of each movement, comparing their features, performance, and overall value proposition to help you make an informed choice.
My personal approach, as mentioned previously, would be to acquire a Speedmaster Professional with the Calibre 1861 and Hesalite crystal while they are still readily available, appreciating their historical significance and impending discontinuation. Following this, I would then invest in a Speedmaster Professional with the Calibre 3861 and sapphire crystal, ensuring a place in my collection for a watch that will undoubtedly remain in production for many years to come. This strategy accounts for both the historical value and future-proofing of my collection. However, let's delve into the details to justify this approach.
Omega Speedmaster Professional with Calibre 1861: A Legacy Continues
The Calibre 1861 is a manual-winding movement, a direct descendant of the legendary Calibre 321 that powered the Speedmasters worn on the moon. While not a direct replacement, the 1861 maintains a strong lineage and offers a faithful representation of the historical movement, albeit with some modern refinements. Many enthusiasts consider the 1861 the truest representation of the "moonwatch" spirit, particularly when paired with the iconic Hesalite crystal.
Speedmaster Cal 1861 Review: The 1861 is known for its simplicity and reliability. It's a workhorse movement, robust and less prone to complications than its more modern counterparts. Its manual winding mechanism offers a tactile connection to the watch, a ritualistic experience appreciated by many. Maintenance is generally straightforward and less expensive than the 3861. However, it lacks the modern anti-magnetic capabilities and refined finishing found in the 3861.
Hesalite Crystal: A Touch of History
The Hesalite crystal, often cited as a defining feature of the 1861 Speedmaster, is a plastic crystal known for its unique properties. It's lighter than sapphire, more resistant to shattering (though it's more prone to scratching), and it develops a unique patina over time, adding character to the watch. The "spider" markings on the Hesalite crystal are also a distinctive characteristic of many vintage and modern Speedmaster models. Many enthusiasts appreciate the vintage aesthetic and the slightly softer feel of the Hesalite against the wrist. However, this is a subjective preference. The ease of replacement, should it become scratched, is also a considerable advantage.
Omega Speedmaster Professional with Calibre 3861: The Modern Masterpiece
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