I would recommend that you research to see what others have said about your particular watch, and whether or not there's a warranty for your watch. You can also ask a local jewelry or watch shop what the typical life of these watches can be.
Presuming you mean Tag Heuer, the Swiss watches, "Targ Hoyer".
Tag Heur is actually a type of luxury watch. In literal terms the name actually means Techniques d'Avant Garde for Tag and Heur is the last name of the founder of the company.
One may not find a Tag Heur watch for "cheap" unless you just happen to stumble upon it. Thrift shops, vintage stores, resale shops, consignment shops, and even antique shops are great places to look for a used Tag Heur watch. Keep an eye out in the local classifieds in your area. Amazon carries a wide selection of used watches as well.
== == I have trade with the company for some time
Tag watches have become incredibly popular as they are generally more readily affordable for those that are looking for a daily wear watch that caries slight prestige. However, some Tags are very high end. Your local mall jewelry store should be able to provide you some options.
The Tag Heuer Company watches have been associate with many major sporting events. Many stores feel strongly about the quality of these watches that they will offer a gaurantee on the Tag Heur collections. Tag Heuer have also been involved in space programs, so that says a lot for the company. The only downside is the price, including the cost of replacement watch bands which alone, can cost $200 - although there are now a good selection of high quality replacement bands available at reasonable prices. The watch is pretty popular in the motor racing industry, even having a Carrera and Formula One line.
Yes, they are of very high quality. Tag Heuer is a great company for watches. Their watches aren't like rolex watches, but they aren't cheap plastic ones either. They will not far apart on you.
Tag Heuer watches are made and assembled in La Chaux-de-Fonds in Switzerland.
Has Tag heuer ever used the japanses movement in their watches
Yes all purchased Tag watches comes with a SoA
They make watches
Yes, there are websites that sell Tag Heuer watches at discount prices. A couple of useful websites advertising Tag Heuer watches are www.wristclocks.com and www.melrose.com.