The Omega Speedmaster Professional is a legend, a watch synonymous with space exploration and enduring style. Within the vast Speedmaster family, the reference 3511.80 holds a special place, representing a refined and highly sought-after iteration of this iconic chronograph. While many searches online might lead you to information about the closely related 3511.50, understanding the nuances of the 3511.80 is key to appreciating its unique qualities. This article will explore the 3511.80 in detail, comparing and contrasting it with the 3511.50, and addressing frequently asked questions surrounding its price, availability, and overall appeal.
The 3511.80, often referred to as the "pre-moonwatch" model within its generation, boasts a distinct aesthetic that separates it from its successors and predecessors. Unlike the more commonly seen 3570.50 or the later 311.30.42.30.01.005, the 3511.80 exhibits a particular charm stemming from its subtle design choices and the use of specific materials. Its stainless steel case, with its familiar Speedmaster proportions, houses a robust and reliable automatic movement, a significant departure from the hand-wound movements found in earlier Speedmasters. This automatic movement, a key differentiator from the manual-wind versions, offered a more convenient and user-friendly experience.
Comparing the 3511.80 to the 3511.50:
Many searches for the 3511.80 inadvertently lead to information about the 3511.50. Both are automatic Speedmasters, and superficially, they appear very similar. However, key differences exist that influence their value and desirability among collectors:
* Caliber: The most significant difference lies in the movement. The 3511.80 houses the caliber 1151, while the 3511.50 uses the caliber 1152. While both are automatic movements, subtle differences in their construction and finishing contribute to variations in performance and longevity. These differences are often subtle and may not be readily apparent to the casual observer.
* Dial Variations: While both models share the characteristic Speedmaster layout, subtle variations in dial printing, indices, and hand styles can exist between individual examples of both the 3511.80 and 3511.50. These variations are often due to production changes over the years and can impact the watch's overall aesthetic appeal. Some collectors specifically seek out particular dial variations, leading to differences in pricing. The "panda dial" configuration, featuring a black subdial against a lighter background, is particularly sought after in both these references, although it's not a standard feature across all examples.
* Caseback: While both models generally feature a caseback with the Speedmaster inscription, minor differences in the engraving style and details might be observed between individual pieces from different production periods.
* Production Dates: The 3511.80 and 3511.50 were produced over overlapping periods, but pinpointing the exact production run for each specific reference requires careful examination of the watch's serial number and caseback markings. This information, combined with Omega's archival records, can help determine a watch's age and authenticity.
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