March 10, 2020

Rolex Cosmograph Daytona Ref. 116515LN

Rolex Cosmograph Daytona - Ref.- 116515LN - Mamic 1970

Rolex Oyster Perpetual Cosmograph Daytona Ref. 116515LN in 18 ct Everose gold with a pink and black dial and an Oysterflex bracelet, features a Black Cerachrom bezel and engraved tachymetric scale.

OYSTER PERPETUAL COSMOGRAPH DAYTONA

This chronograph was designed to be the ultimate timing tool for endurance racing drivers. More than 50 years after its creation, the Cosmograph Daytona remains in a class of its own among sport chronographs and continues to transcend time.

Cosmograph Daytona is ultimate timing tool for endurance racing drivers.

Rolex Cosmograph Daytona 116515LN Chronograph - Mamic 1970
Rolex Cosmograph Daytona 116515LN Chronograph © Rolex

PINK AND BLACK DIAL

This model’s Pink and black dial with snailed counters features 18 ct gold applique hour markers and hands in Chromalight, a highly-legible luminescent material. The central sweep seconds hand allows an accurate reading of 1/8 second, while the two counters on the dial display the lapsed time in hours and minutes. Drivers can accurately map out their track times and tactics without fail.

This model’s Pink and black dial with snailed counters features 18 ct gold applique hour markers and hands in Chromalight, a highly-legible luminescent material. 

Rolex Cosmograph Daytona Ref. 116515LN - Mamic 1970
Pink and black dial © Rolex

TACHYMETRIC SCALE

A key part of the model’s identity is the bezel engraved with a tachymetric scale for measuring average speeds of up to 400 miles or kilometres per hour. Blending of high technology with sleek aesthetics, the black bezel is reminiscent of the 1965 model that was fitted with a black Plexiglas bezel insert.

The monobloc Cerachrom bezel in high-tech ceramic offers a number of advantages: it is corrosion resistant, virtually scratchproof and the colour is unaffected by UV rays. This extremely durable bezel also offers an exceptionally legible tachymetric scale, thanks to the deposition of a thin layer of platinum in the numerals and graduation via a PVD (Physical Vapour Deposition) process. The monobloc Cerachrom bezel is made in a single piece and holds the crystal firmly in place on the middle case, ensuring waterproofness.

The monobloc Cerachrom bezel in high-tech ceramic offers a number of advantages: it is corrosion resistant, virtually scratchproof and the colour is unaffected by UV rays.

Rolex Cosmograph Daytona Ref. 116515LN - Mamic 1970
Tachymetric scale © Rolex

18 CT EVEROSE GOLD

To preserve the beauty of its pink gold watches, Rolex created and patented an exclusive 18 ct pink gold alloy cast in its own foundry: Everose gold. Introduced in 2005, 18 ct Everose is used on all Rolex Oyster models in pink gold.

To preserve the beauty of its pink gold watches, Rolex created and patented a new alloy: Everose gold, which owes its unique colour – a pink hue unlike any other – to its composition.

Rolex Everose Gold - Mamic 1970
Everose gold © Rolex

OYSTERFLEX BRACELET

The Cosmograph Daytona Ref. 116515LN is fitted with an Oysterflex bracelet, developed and patented by Rolex. At its core lies a superelastic metal blade overmoulded with high-performance black elastomer, a material that is particularly resistant to environmental effects and very durable.

The Oysterflex bracelet is also fitted with an Oysterlock safety clasp and is equipped with the Rolex patented Easylink rapid extension system that allows the wearer to increase the bracelet length by approximately 5 mm, for additional comfort in any circumstance.

Oysterflex bracelet combines the robustness and reliability of a metal bracelet with the flexibility, comfort and aesthetics of an elastomer strap.

Rolex Cosmograph Daytona Ref. 116515LN - Mamic 1970
Oysterflex bracelet © Rolex

START, DRIVE, STOP

The Daytona’s chronograph feature functions are activated by pushers that screw down like the winding crown when they are not in use, guaranteeing waterproofness to 100 metres. One press to start, stop or reset the chronograph produces a crisp, clear click that was perfected using the most advanced technology. Rolex watchmakers also perfected the mechanism to suit the ideal finger pressure on the pushers, and engineered it to provide an instantaneous and accurate start to the timing without sacrificing reliability.

The Daytona’s chronograph functions are activated by pushers – one press to start, stop or reset the chronograph.

Rolex Cosmograph Daytona Ref. 116515LN - Mamic 1970
Pusher © Rolex

4130 MOVEMENT

The Cosmograph Daytona Ref. 116515LN is equipped with calibre 4130, a self-winding mechanical chronograph movement developed and manufactured by Rolex. Its architecture incorporates far fewer components than a standard chronograph, thereby enhancing the movement’s reliability.

Calibre 4130 offers a power reserve of approximately 72 hours.

Rolex Cosmograph Daytona Ref. 116515LN - Mamic 1970
4130 movement © Rolex

SUPERLATIVE CHRONOMETER CERTIFICATION 

Like all Rolex watches, each Cosmograph Daytona is covered by the Superlative Chronometer certification redefined by Rolex in 2015. This exclusive designation testifies that every watch leaving the brand’s workshops has successfully undergone a series of tests conducted by Rolex in its own laboratories according to its own criteria. These certification tests apply to the fully assembled watch, after casing the movement, guaranteeing superlative performance on the wrist in terms of precision, power reserve, waterproofness and self-winding. The precision of a Rolex Superlative Chronometer is of the order of −2/+2 seconds per day, or more than twice that required of an official chronometer.

The Superlative Chronometer status is symbolized by the green seal that comes with every Rolex watch and is coupled with an international five-year guarantee.

Rolex Cosmograph Daytona Ref. 116515LN - Mamic 1970
Superlative Chronometer © Rolex

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Rolex Corner at Mamic 1970

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