Description
This Oyster PerpetualCosmograph Daytona in18 kt white gold, with asteel, diamond-set dialand contrasting counterrings, features anOysterflex bracelet aswell as a diamond-setbezel and diamond-setlugs.The Oysterflex BraceletHighly resistant anddurableThe 18 kt gold versions of the CosmographDaytona with a Cerachrom bezel are available withan Oysterflex bracelet. Developed by Rolex andpatented, it singularly combines the robustness ofa metal bracelet with the comfort of an elastomerbracelet.It is made up of two flexible curved metal blades –one in each bracelet section – overmoulded withhigh-performance black elastomer. For optimumcomfort, the Oysterflex bracelet is equipped withcushions on its inner sides and an Oysterlocksafety clasp to prevent accidental opening. Itslength may be adjusted via the ingenious RolexGlidelock extension system.18 kt white goldCommitment toexcellenceBy operating its own exclusive foundry, Rolex hasthe unrivalled ability to cast the highest quality 18kt gold alloys. According to the proportionof silver, copper, platinum or palladium added,different types of 18 kt gold are obtained: yellow,pink or white.They are made with only the purest metals andmeticulously inspected in an in-house laboratorywith state-of-the-art equipment, before the gold isformed and shaped with the same painstakingattention to quality. Rolex’s commitment toexcellence begins at the source.Steel dialWith chronographcountersThis model features a steel, diamond-set dial with18 kt gold applique hour markers and hands with aChromalight display, a highly-legible luminescentmaterial.The dial allows drivers to accurately map out theirtrack times and tactics without fail.Diamond-set bezelAdorning a legendarychronographThe timepiece incorporates a bezel adorned with36 trapeze-cut diamonds.This now legendary chronograph is the instrumentof choice for measuring time intervals anddetermining average speeds. On this gem-setversion, the emblematic tachymetric scale isreplaced with diamonds.More technical detailsCosmograph DaytonaReference 126539TBRModel CaseTypeOyster, 40 mm, white gold anddiamondsDiameter40 mmMaterialWhite goldBezelSet with diamondsOyster ArchitectureMonobloc middle case, screw-downcase back and winding crownWinding CrownScrew-down, Triplock triplewaterproofness systemCrystalScratch-resistant sapphireWater ResistanceWaterproof to 100 metres / 330feetMovementTypePerpetual, mechanical chronograph,self-windingCalibre4131, manufacture RolexPrecision-2/+2 sec/day, after casingOscillatorParamagnetic blue Parachromhairspring. High-performanceParaflex shock absorbersWindingBidirectional self-winding viaPerpetual rotorPower reserveApproximately 72 hoursFunctionsCentre hour and minute hands,small seconds hand at 6 o’clock.Chronograph via centre secondshand, 30-minute counter at 3o’clock and 12-hour counter at 9o’clock. Stop seconds for exacttime setting
