2010年10月28日星期四

Replica Breitling Professional Skyracer Watches exposure to light

If you are thinking of buying a new Replica Breitling Professional Skyracer Watches, and are trying to decide which one is right for you, one of the most fundamental questions is: should you buy a quartz watch, or should you by an automatic watch? Perhaps we should start with another question: What is the difference between a quartz watch and an automatic watch? The most common type of watch nowadays is the quartz watch. The quartz watch is quite simply an electronic watch. Why is it called quartz? This is an interesting question. Quartz technology was a remarkable invention. Basically, a watch needs some way to keep track of the passage of time accurately in order to function. It was discovered that when you pass an electrical current through a quartz crystal, it oscillates at a constant frequency.Replica Breitling Professional Skyracer Watches the oscillation of the crystal is used to measure time. Quartz watches are extremely accurate. A good quality quartz watch will be accurate to within seconds every month. In addition, because they dont have a lot of moving parts, they are very durable, withstanding drops, jolts and abuse better than an automatic watch. And the real kicker is that they are less expensive than automatic (mechanical) watches.One objection some have to quartz watches is the need to replace the battery periodically. Some manufacturers have introduced solar powered watches. The best of these is Citizen Eco-Drive technology. Eco-Drive watches have dials that are translucent, although they look like ordinary watch dials. Any light, even indoor light, passes through the dial into a solar receptor. Power is stored in a rechargeable titanium lithium-ion battery, so that the watch doesnt require constant exposure to light. Fully charged, Citizen watches. powered by Eco-Drive will run for several months without exposure to light.So if quartz watches are more robust, more accurate and cheaper than automatic watches, why would anyone buy automatic watches? Gerd-R Lang, a German watchmaker who heads Chronoswiss, coined a slogan for his company that encapsulates our attraction to automatic watches: ;Faszination der Mechanik;, roughly translated as a fascination with things mechanical, particularly Replica Breitling Professional Skyracer Watches. Automatic watches are mechanical watches, powered by a spring which when wound up, transfers power, through a regulating mechanism, to a series of gears which eventually turn the hands which display the time on the dial of the watch.