Rolex
Cosmograph Daytona
126515LN
Everose Gold Daytona with the in-house Cal. 4131 chronograph movement
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Overview
The Rolex Cosmograph Daytona ref. 126515LN is a 40 mm chronograph cased in Rolex's proprietary 18k Everose gold alloy, introduced in 2023 as part of the long-running Daytona line. It is powered by the manufacture Calibre 4131, a self-winding chronograph movement developed entirely in-house by Rolex. Dial options spanning sundust, black, and chocolate give the reference a notably broad aesthetic range within a single case configuration.
History
The Cosmograph Daytona has been a cornerstone of Rolex's sports-watch catalogue since the 1960s, evolving from manually wound movements to fully in-house automatic calibres. Precious-metal Daytona variants in Everose gold have occupied a distinct tier within the line, pairing the warm rose-toned alloy — developed and exclusively owned by Rolex — with richly coloured dials. The 126515LN continues that tradition, representing the generation of Daytona references that transitioned to the Calibre 4131 with its column-wheel and vertical clutch architecture. Its introduction in 2023 marks the current production state of the Everose Daytona in this configuration.
Notable points
- Cased in 18k Everose gold, a proprietary rose-gold alloy formulated and trademarked by Rolex for lasting colour stability.
- Calibre 4131 is a fully in-house self-winding chronograph movement featuring a column wheel, vertical clutch, and Rolex's Chronergy escapement.
- The reference is offered across multiple dial variants — sundust, black, and chocolate — each producing a markedly different character on the same case.
- At 40 mm, the case diameter maintains the classical Daytona proportion that has defined the line across decades.
- The Oysterflex bracelet pairing available on related Everose Daytona references reflects Rolex's broader integration of its proprietary elastomer strap into precious-metal sport watches.
