Rolex Oyster Perpetual Cosmograph Daytona Platinum

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CERACHROM BEZEL FOR MEASURING SPEED

A key part of the COSMOGRAPH DAYTONA's identity is its CERACHROM ceramic bezel with
a tachymetric scale, making the watch the ideal tool to measure average speeds of up
 to 400 miles or kilometres per hour. The numerals and graduations are perfectly legible
thanks to the deposition of a narrow layer of platinum by a PVD (Physical Vapour Deposition)
 process.

THE OYSTER CASE, SYMBOL OF WATERPROOFNESS AND ROBUSTNESS

The COSMOGRAPH DAYTONA’s 40 mm OYSTER case, guaranteed waterproof to a depth of
 100 metres (330 feet), is a paragon of robustness, proportion & elegance.
The characteristically formed middle case is crafted from a solid block of 950 platinum.
The fluted case back is hermetically screwed down with a special gizmo exclusive to Rolex
watchmakers. The winding crown, fitted with the patented TRIPLOCK triple waterproofness
 method, screws down securely against the case. It is protected by a crown guard that forms
 The crystal is made of virtually scratchproof sapphire. The waterproof OYSTER case
an integral part of the middle case. The pushers also screw down securely against the case.
 provides optimal protection for the COSMOGRAPH DAYTONA's high-precision movement.
Rolex_Cosmograph_Daytona_Platinum_3

CALIBRE 4130
CHRONOGRAPH AND SUPERLATIVE CHRONOMETER

The COSMOGRAPH DAYTONA is equipped with calibre 4130, a self-winding mechanical
 chronograph movement with a column wheel entirely developed and manufactured by Rolex.
a designation reserved for high-precision watches that have successfully passed the Swiss
 Like all Rolex PERPETUAL movements, the 4130 is a certified Swiss chronometer,
Official Chronometer Testing Institute (COSC) tests. Its design and quality manufacture
provide peerless precision and reliability. The oscillator, the true heart of the watch, has a
Insensitive to magnetic fields, the PARACHROM hairspring offers great stability when
 blue PARACHROM hairspring patented and manufactured by Rolex in an exclusive alloy.
shocks than a traditional hairspring.
exposed to temperature variations and remains up to ten times more exact in case of

SOLID-LINK BRACELET WITH SAFETY CLASP

platinum, with an OYSTERLOCK safety clasp that prevents accidental opening. The clasp
This new COSMOGRAPH DAYTONA is fitted with a solid-link OYSTER bracelet in 950
 the wearer to basically increase the bracelet length by about five mm, for additional
 also features the ingenious Rolex-patented EASYLINK fast extension process that allows

 comfort in any circumstance.Rolex_Cosmograph_Daytona_Platinum_4
Technical Specifications
REFERENCE (CASE – BRACELET): 116506 – 78596
CASE
  • Type: OYSTER (monobloc middle case, screw-down case back, winding crown and 
  • chronograph pushers)
  • Diameter: 40 mm
  • Material: 950 platinum, polished finish
  • Case back: Screw-down with Rolex fluting
  • Bezel: Chestnut brown monobloc CERACHROM in ceramic, engraved numerals and
  •  graduations coated with platinum via magnetron sputtering
  • Winding crown: Screw-down, TRIPLOCK triple waterproofness system
  • Crown guard: Integral part of the middle case
  • Crystal: Scratch-resistant sapphire
  • Waterproofness: 100 metres (330 feet)
MOVEMENT
  • Calibre 4130, Manufacture Rolex
  • Mechanical chronograph movement with column wheel and vertical clutch
    Bidirectional self-winding via PERPETUAL rotor on ball bearing
  • Precision: Officially certified Swiss chronometer (COSC)
  • Functions: Centre hour and minute hands, small seconds hand at 6 o’clock
    Chronograph (centre hand) accurate to within 1⁄8 of a second
    30-minute counter at 3 o’clock and 12-hour counter at 9 o’clock
    Stop-seconds for precise time setting
  • Oscillator: Frequency: 28,800 beats/hour (4Hz)
    Paramagnetic blue PARACHROM hairspring
    Breguet overcoil
    Large balance wheel with variable inertia
    High-precision regulating via four gold MICROSTELLA nuts
    Traversing balance bridge
  • Jewelling: 44 rubies
  • Power reserve: Approximately 72 hours
DIAL
  • Colour: Ice blue
  • Counters: Chestnut brown lacquer, 18 ct white gold border
  • Hour markers: Highly legible CHROMALIGHT appliques (long-lasting luminescence)
         in 18 ct white gold
  • Hands: CHROMALIGHT hands in 18 ct white gold
BRACELET
  • Type: OYSTER, three-piece solid links
  • Material: 950 platinum, polished centre links, satin-finished outer links with polished edges
  • Clasp: Folding OYSTERLOCK safety clasp
    EASYLINK 5 mm comfort extension link

See Rolex Oyster Perpetual Cosmograph Daytona Platinum on amazon here