designed specifically for racing timer
with excellent precision, reliability, accessibility and functionality, Cosmograph Daytona is the best enduro riders timing tool. The central seconds hand can accurately timer to 1/8 seconds, at 9:00 and 3:00 position time set display hours and minutes are consumed. So that the driver can accurately elapsed time, remaining distance to decide how to travel to the final victory.
maximum speed up to 400 km / h
Cosmograph Daytona chronograph function outer scale: riders through time, can be read with a certain distance average speed over a period of time through the outer scale. The speedometer feature set on the outer dial to avoid occupying space, so read the time at a glance. Speed feature allows Cosmograph Daytona a perfect tool for speedometer, tachometer up to a maximum speed of 400 kilometers, miles or other units.
Oyster case, waterproof model
Cosmograph Daytona Oyster case waterproof to a depth of 100 meters (330 feet), is a model for rugged. Unique solid 18ct gold case with middle or has strong corrosion resistance of 904L stainless steel casting. Rolex watchmaker with a dedicated tool to tighten the bottom triangular grooves, so that the case is completely sealed. Rolex winding crown adopts a patented three-button lock waterproofing system, and timing buttons, can be firmly screwed onto the case, and by the middle of the PRADA,PRADA包包,PRADA官方網 case even as one of the crown shoulder protection, in case the securely tightened. Scratch-resisting mirror blue crystal glass. Cosmograph Daytona Oyster case completely sealed highly precise movement best protection them against water, dust, pressure and impact damage.
4130-type movement, top chronometer
Cosmograph Daytona with fully self-developed and manufactured by Rolex 4130 automatic winding movement. Like all core constant motivation, like 4130-type movement also gained recognition when the Swiss official identification meter certification, the PRADA,PRADA包包,PRADA官方網 certification awarded to a successful through the Swiss chronometer testing center (COSC) detection precision watch. Movement of the structure is a complete innovation, cohesion Rolex watchmaking craftsmanship, greatly streamlining the number of components consisting of timers, thus improving the reliability of the movement. Mechanical chronograph movement with column wheel and vertical cross-connect system that allows the timer to start and maintain a high degree of instantaneous precise timing, while also taking into account rugged reliability.
balanced swing component is the heart of watch parts, with a stable balance wheel, fine adjustment screw to adjust the height by its inertia gold MICROSTELLA precise oscillation period. Balanced swing height of the component parallel to the Banqiao firmly supported by adjustable to enhance the seismic capacity.
balanced swing components using patented blue PARACHROM Rolex gossamer, PARACHROM gossamer patented by Rolex unique alloy unaffected by magnetic fields, even if the temperature changes can remain stable, but also has ten times higher than conventional springs seismic force. At the same time the end of gossamer ring with Breguet to strengthen gossamer swing in isochronous.
4130 model is equipped with a self-winding movement Rolex constant pendulum Tuo, the wearer can use the energy generated by the wrist swinging continue to drive mainspring.
only watchmaker Rolex in order to have the opportunity to see Cosmograph Daytona movement perfectly polished and extremely delicate process, it Rolex meticulous in quality, the spirit of excellence complement each other.
strap and buckle, taking into account the safety and comfort
Cosmograph Daytona with Oyster bracelet or leather strap, while the patented Oyster insurance deduction, buckle prevents accidental opening. In addition, the compact design of the Rolex bracelet comes with easy to adjust patent EASYLINK link system, you can quickly adjust the strap length of about 5 mm in all cases ordered doubly comfortable to wear.
Oyster Perpetual Cosmograph Daytona watch technical features
Category: Professional watches
Case: Oyster case (middle piece of metal casting case, screw-in case back, winding crown and chronograph buttons)
diameter: 40 mm
Material: 904L stainless steel; ROLESOR gold steel (904L stainless steel and 18ct gold combination); 18ct gold, platinum and rose gold eternity
Onwinding crown: screwed crown waterproof three padlocks
crown protection: integrated with the case middle crown shoulder
Mirror: Anti-scratch sapphire crystal glass
Bezel: Fixed speed meter scale outer ring; has 904L stainless steel, 18ct gold or block CERACHROM (a special black ceramic, scale gold using PVD technology to fill) three materials
Water depth: 100 m (330 ft)
Movement: Rolex Caliber 4130; mechanical chronograph movement with column wheel and vertical cross-connect device; bidirectional chain constant pendulum Tuo
Certification: official identification when approved meter (COSC)
features: central hour, minute and second hand; small seconds at 6 o'clock position, the timer pointer by Central precise to 1/8 second, 30-minute and 12-hour counters are located at 3 o'clock and 9 o'clock positions; seconds pause function to accurately adjust the time
balance swing components: rate: 28,800 cycles / hour (4 Hz); Breguet balance spring stable balance wheel, parallel to the deck and gold trimming screws, can be highly accurate calibration time
energy reserve: about 72 hours
Strap: Oyster Oyster bracelet with safety clasp, easy to tune the link can be quickly adjusted to about 5 mm to ensure a comfortable fit; leather bracelet with safety clasp Oyster