The Rolex Cosmograph "daytona"
The Rolex Cosmograph is a chronograph that performs an additional function as a stopwatch. This model has a separate second hand, which can be started, stopped and reset to zero with the help of push buttons on the side of the case. Considered one of the most popular Rolex sport models, the Rolex Cosmograph "Daytona" is truly exceptional. The term “Cosmograph” was coined by Rolex when it decided to come out with an improved version of its earlier line of chronograph watches. Today, Rolex Daytona has become synonymous with motor racing.
Workings of the Oyster Perpetual Cosmograph Daytona
The basic functionality of this Rolex model, which makes it so popular, is its capability to measure elapsed time and average speed with the help of the Tachymeter scale printed on the bezel. To operate the first function, there are two buttons on the side: a start-stop button and a reset button. As you push the start/stop button after unscrewing it, the large sweep second hand becomes operational. Out of the three mini registers on the dial, two of them start recording the elapsed hours and minutes respectively. The third mini register is not a part of the stopwatch function and constantly measures the seconds. If you press the start/stop button a second time, it will stop the function of measuring the elapsed time. Upon pressing the lower reset button, the large sweep second hand and mini registers will go back to their original positions with the former on the reset position and the latter indicating zero. When you press these side buttons, a distinct “click” sound can be heard clearly. The crisper the sound of this click, the clearer the indication that you have an authentic Rolex Daytona in your possession.
The Tachymeter bezel scale also helps to measure the average speed using the start/stop and reset buttons. Measuring average speed becomes easier if the total measured time falls between 9 seconds to 60 seconds corresponding to 400 to 60 units per hour (speed) on the bezel. For instance, suppose you have taken 20 seconds (these 20 seconds being measured using the start/stop button) to travel a distance of 1 mile, and then the corresponding number that you find on the tachymeter bezel scale is 180 indicating an average speed of 180 miles per hour (mph). If you have traveled a distance of 2 miles in 30 seconds, the corresponding number on the bezel is 120. Now, to find the average speed, a simple calculation is involved. Since you have covered a distance of 2 miles, so the average speed would be 2x120 mph or 240 mph.
Different Features order prescription drugs online of the Oyster Perpetual Cosmograph Daytona Available Today
The most sought after Rolex Cosmograph Daytona models today are those which are offered in 18k yellow gold, white gold and Rolesor (steel and gold)
Some of the common cosmetic features that you find in all current Daytona models are the following:
* 40mm case
* Special screw-down push buttons
* 31 jewel chronometer movement
* Synthetic sapphire crystal
However, you get plenty of options in dials, bezels and bracelets as described below:
Dials: The options available in dials are the following:
* White dial with Arabic numerals
* Mother of Pearl Arabic/Serti dial
* Black dial with champagne counters
* Diamond-paved dial with black enamel Arabic numerals
* Dial fitted with 8 round cut diamonds
* Semi-precious stone dial fitted with 8 round cut diamonds
* Meteorite dial with Roman numerals
* "Pave Extra Large" diamond dial set with 8 round cut diamonds
Bezels: Tachymeter engraved on 18k yellow gold/white gold or stainless steel bezel is a standard feature that is present in most of the current models. Some of the cosmetic options available in bezel are the following:
* Bezel outfitted with 24 baguette diamonds/pink sapphires/rubies/sky-blue sapphires
* Bezel set with 36 baguette emeralds
For The Full article please visit the Melrose Jewelers Rolex Information & Education section, Click here:- http://www.melrosejewelers.co.uk/content/rolex_education_rolex_cosmograph_daytona.htm
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