Manufacturer: Rolex
Year: Circa 2010
Reference No: 116520
Case No: 13'X06'018
Model Name: Cosmograph Daytona
Material: Stainless steel
Calibre: Automatic, cal. 4130, 44 jewels
Bracelet/Strap: Stainless steel Rolex Oyster bracelet, max length 185mm
Clasp/Buckle: Stainless steel Rolex deployant clasp
Dimensions: 40mm Diameter
Signed: Case, dial, movement and bracelet signed
Accessories: Accompanied by Rolex guarantee, product literature and wallet.
Catalogue Essay
Reference 116520 replaced its predecessor reference 16520 in 2000. It most notably features caliber 4130, which is Rolex’s first in-house chronograph movement. Prior to that, the watch was fitted with the zenith-based El Primero movement. Today, reference 116520 is an iconic model, representing one of Rolex's many technical strides throughout horological history.

The present watch displays a black dial and is preserved in "new old stock" condition. It is furthermore accompanied by its original guarantee and numbered hang tag.
Artist Biography
Rolex
Swiss • 1905
Founded in 1905 England by Hans Wilsdorf and Alfred Davis as Wilsdorf & Davis, it soon became known as the Rolex Watch Company in 1915, moving its headquarters to Geneva in 1919. Like no other company, the success of the wristwatch can be attributed to many of Rolex's innovations that made them one of the most respected and well-known of all luxury brands. These innovations include their famous "Oyster" case — the world's first water resistant and dustproof watch case, invented in 1926 — and their "Perpetual" — the first reliable self-winding movement for wristwatches launched in 1933. They would form the foundation for Rolex's Datejust and Day-Date, respectively introduced in 1945 and 1956, but also importantly for their sports watches, such as the Explorer, Submariner and GMT-Master launched in the mid-1950s.
One of its most famous models is the Cosmograph Daytona. Launched in 1963, these chronographs are without any doubt amongst the most iconic and coveted of all collectible wristwatches. Other key collectible models include their most complicated vintage watches, including references 8171 and 6062 with triple calendar and moon phase, "Jean Claude Killy" triple date chronograph models and the Submariner, including early "big-crown" models and military-issued variants.
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