Rolex 116515LN Cosmograph Daytona 116515LN 18K Rose Gold / Chocolate Dial (34817)

34817 Rolex 116515 Cosmograph Daytona, 116515LN, 18k Rose Gold on a Strap with an 18k Rose Gold Deployant Buckle, Chronograph, COSC, Chocolate Brown Dial with Applied Numerals, Triploc Winding Crown, Scratch Proof Cerachrom Black Bezel, Small Seconds at 9 O'clock, Sapphire Crystal, Water Resistant, Scrambled Series, Diameter: 40 mm, Thickness: 12mm, Like New with Original Box and Papers dated March 2017


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More about Rolex 116515LN Cosmograph Daytona 116515LN 18K Rose Gold / Chocolate Dial

This is an 18K Everose gold Rolex Cosmograph Daytona 116515LN. It has an Oysterflex rubber strap with an 18k Everose gold deployment buckle, a scratch-resistant sapphire crystal, and round chronograph pushbuttons. It has a monobloc middle case, a solid screw-down case back, and the Rolex Triplock triple waterproof system winding crown protected by the crown guard. The 40mm diameter solid three-body Oyster case, downturned lugs, and case back are polished/brushed. The black scratchproof Cerachrom bezel is engraved with a tachymetric scale to 400 units/hour. The dial is chocolate brown with applied rose gold baton hour markers and luminous squares, luminous pink gold baton hands, and an outer 1/5th seconds track, There are three matching subsidiary dials - one for the constant seconds at the 6 o'clock position, a 12-hour chronograph totalizer at 9 o'clock, and a 30-minute chronograph register is at 3 o'clock. The chronograph is accurate to within 1/8 of a second, and it has stop seconds for precision time setting. It also has the Certification Official Swiss Chronometre (COSC) rating. It's water resistant to 100 meters/330 feet, and the 12mm thick case, dial, and movement are all signed.

This Rolex Cosmograph Daytona 116515LN has a mechanical automatic self-winding Rolex caliber 4130 movement that's rhodium-plated, with oeil-de-perdrix embellishment. It's constructed with 31 jewels, a straight-line lever escapement, and a paramagnetic blue Parachrom hairspring oscillator. It includes a monometallic balance adjusted to 6 positions, and a shock absorber mechanism. It has a self-compensating free-sprung Breguet balance spring, Microstella regulating screws, and a hacking seconds device. The mechanism oscillates at a frequency of 28,800 vph (4 Hz).

The Rolex Cosmograph Daytona 116515LN was introduced in the 2000's.