The Rolex Oyster Perpetual Cosmograph Daytona reference 16520, often simply referred to as the "16520," holds a unique place in the history of the iconic Daytona. Produced from 1988 to 2000, this model represents a transitional period, bridging the gap between the earlier Zenith-powered Daytonas and the in-house calibre 4130 models that followed. Its significance lies not just in its historical position, but also in the subtle nuances and desirable characteristics that make it a highly sought-after collector's piece, commanding prices well exceeding its original retail value. This article will delve into the specifics of the Rolex 16520, exploring its design, movement, variations, and the factors driving its current market value, particularly focusing on the example advertised at $165,073 + $537 shipping – a price indicative of the high demand for this particular reference.
Rolex Daytona 16520: A Zenith-Powered Era
Before discussing the specific example mentioned, it's crucial to understand the context of the Rolex 16520 within the broader Daytona lineage. The early Daytonas, produced from the 1960s, were powered by Valjoux movements. However, in 1988, Rolex transitioned to using the El Primero movement, manufactured by Zenith, a highly regarded Swiss watchmaker. This marked a significant shift, introducing a more sophisticated and reliable chronograph movement to the Daytona. The 16520 is the embodiment of this Zenith-powered era.
The partnership between Rolex and Zenith wasn't simply a matter of sourcing a movement. Rolex extensively modified the El Primero, adapting it to its own exacting standards. The resulting movement, often referred to as the "Rolex calibre 4030," featured several key modifications, including a reduced beat rate (from 36,000 bph to 28,800 bph) to enhance power reserve and longevity. While some purists prefer the original higher beat rate of the El Primero, the Rolex modifications ensured a level of robustness and reliability synonymous with the brand.
Rolex 16520 Price: A Market Driven by Demand
The price of a Rolex 16520, like that of any vintage or collectible watch, is determined by several factors. The example cited, listed at $165,073 + $537 shipping, falls within the range of what well-preserved examples can command in the current market. This price reflects a confluence of elements:
* Rarity: The 16520 was produced for a limited time, making it inherently less common than later models. The specific dial variations, case materials, and condition further impact rarity.
* Condition: The description mentions an "unpolished 1999" example. The unpolished condition is highly desirable among collectors. Polishing a vintage watch often removes crucial details and diminishes its originality, reducing its value. The year of production (1999) falls towards the end of the 16520's production run, potentially adding to its desirability for some collectors.
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