Tuesday, April 21, 2009

WHAT IS A TACHYMETER AND HOW DOES IT WORK?

It is a scale on the dial. In fact, many sports version watches,such as Chopard replica,Cartier replica,Chanel replica,Corum replica,Franck Muller replica,Graham replica,Longines replica,Tudor replica,Romain Jerome replica and Tag Heuer replica have it either on the rim or bezel. In conjunction with the second hand, it gives the speed of a moving object. A tachymeter takes a value determined in less than a minute and converts it into miles per hour. For example, a wearer could measure the time it takes a car to pass between mile markers on the highway. When the car passes the second marker, the second hand will be pointing to the cars speed in miles per hour on the tachymetric scale.
Also there are many other brands watches with such function, Rolex replica,Porsche Design replica,Richard Mille replica,Zenith replica,Hublot replica and Ferrari replica watches are also better choices for you.

Monday, April 20, 2009

set the time

Any special considerations when setting the time and date?
OK, well firstly a watch equipped with a date feature will normally have three positions for the crown: in, pulled out one click (for date setting) and pulled out two clicks (for time setting). Simple enough. Two main tips here really. Firstly, when setting the time wind the hands slowly if possible, don't overdo it in the speed department - the simple reason for this is that doing so very quickly can cause premature wear to the components upon which the hands ride. Relatively slowly and gently is fine and preferably in a clockwise direction. Don't adjust the time backwards through midnight unless a watch specifically allows this. Secondly, when using the rapid date advance feature AKA the quickset feature, as a general rule avoid doing so between 8.00pm and say 4.00am - serious damage can be caused to the date mechanism if this advice isn't heeded. If the watch has stopped then make sure you set the time once through midnight and well into the safe zone before quicksetting the date..
You should carefully operate when setting the time of your watch,especially Rolex replica,Porsche Design replica,Richard Mille replica,Zenith replica,Hublot replica,Ferrari replica watches, Longines replica,Tudor replica,Romain Jerome replica and Tag Heuer replica.

Friday, April 17, 2009

Why does my date change at noon instead of midnight?

Most mechanical calendar watches are not AM/PM aware--they simply advance the date every other time the hands pass forward across 12:00. Where people get confused with this is because they assume it is more complicated than that.So maybe Rolex replica,Porsche Design replica,Richard Mille replica,Zenith replica,Hublot replica,Ferrari replica watches,Breitling replica,U-Boat replica,Bell&Ross replica,Patek Philippe replica and Omega replicas are different in date change.
When setting a watch that has run down, make sure you roll the hands forward past 12:00 at least once so you can see when the date changes. Then set the time accordingly so the next date change will occur at midnight, not noon.
Digital watches do not have this confusion, because you have to explicitly tell them whether it is AM or PM. Watches that display 24-hour or military time also are clear on where in the 24 hour day the time is,such as Longines replica,Tudor replica,Romain Jerome replica and Tag Heuer replica.But most watches display a simple 12-hour representation of the time--leaving it up to the wearer to understand which half of the day they are in.

Thursday, April 16, 2009

How does magnetism affect quartz watches?

It doesn't usually affect digital quartz watches, but it can affect analogue watches, which use a tiny electric motor to turn the hands. Powerful magnetism can affect the performance of this motor,such as Rolex replica,Porsche Design replica,Richard Mille replica,Zenith replica and Hublot replica.The good news is that although analogue watches may gain time, lose time, or even stop under the influence of powerful magnetic fields, they will usually return to normal time-keeping as soon as they leave the source of magnetism. (You may need to reset your watch, of course.)Avoid putting your watch near medical equipment, headphones, loudspeakers, or refrigerator door magnets. Electric mixers and blenders and a wide range of other electrical equipment may also have strong enough magnetism to affect timekeeping.

Wednesday, April 15, 2009

Is it okay to leave my chronograph function running all the time?

On most mechanical chronographs, yes it is okay. Some people prefer to do this in order to have the large second hand running. There is no evidence this causes any additional wear of any significance to the watch. It also makes little difference in the power reserve on your mechanical watch,for example: Rolex replica,Porsche Design replica,Richard Mille replica,Zenith replica,Hublot replica and Ferrari replica watches.Omega reports that their watches should lose less than 2% of their power reserve having the chronograph running continuously.
On quartz chronographs it is certainly okay. Though some quartz chronographs may limit the duration that the chronograph will run. Also, some quartz watches may disable the chronograph functions to conserve battery power when the battery is very low.

Tuesday, April 14, 2009

Why does my automatic watch run down in less time than the stated Power Reserve?

'Power Reserve' means the number of hours the watch should run from being fully wound up. But a common mistake with automatic watches is to wear them only a few hours a day, or every few days, and think that is enough movement to keep it wound. Many automatics need at least 10-14 hours a day of wearing with you moving normally (more than watching TV or napping). Even then, the watch may be far from fully wound at the point you take it off at the end of the day, so may not continue to run overnight or over a full weekend. How much you wear the watch over weekends is important too, as people's behavior is often different them, often leaving the watch much more or mush less wound by Monday.So you should wear your watches everyday,especially you have Rolex replica,Porsche Design replica,Richard Mille replica,Zenith replica,Hublot replica,Ferrari replica watches,Breitling replica,U-Boat replica,Bell&Ross replica,Patek Philippe replica and Omega replicas.
To test to see if your watch is really getting its full power reserve, try this: manually wind your watch at least 40 turns and make sure the time is correct. Then leave it on the dresser for two to three days and see what time it stops. If it runs for close to the stated power reserve (usually 40-44 hours for many modern mechanical watches), then your watch is perfectly fine,you can find such fine watches in the market,such as Chopard replica,Cartier replica,Chanel replica,Corum replica,Franck Muller replica and Graham replica.If it runs significantly less than that, it may need cleaning or an adjustment.
If your power reserve is functioning correctly, then you may need to simply manually wind the watch when you take it off to ensure it is sufficiently wound. Or you may choose to change your wearing habits to keep the watch on your wrist for more active time. And finally, you can always consider getting a watch winder to keep your automatic watch ready to wear even when you do not use it regularly.

Monday, April 13, 2009

What is a chronograph?

A chronograph is considered one of the most useful functions a wristwatch can have.A chronograph is used to time short spans of time; generally less than 30 or 60 minutes.A more commonly used name for a chronograph is a ‘stopwatch’.Now many good watches all have the function of chronograph,such as Rolex replica,Porsche Design replica,Richard Mille replica,Zenith replica,Hublot replica,Ferrari replica watches,Breitling replica,U-Boat replica,Bell&Ross replica,Patek Philippe replica and Omega replicas.