If you are talking about the method on how to find out whether your watch is an original creation of a popular brand or just a replica then there are several methods. One of them is a serial number which is generally engraved at the back of the watch. This number is unique and would be given only to one single watch. Another method is to check out the minute things.
There would some or the other changes and differences between the original creation and a fake. These differences are not visible if you don't check for it properly. Then there would be something that is unique only in the original. This original factor differs from brand to brand. You just visit the official website of your brand and there you are likely to find some or the other method which would enable you to differentiate between the original and its replicas.
There would some or the other changes and differences between the original creation and a fake. These differences are not visible if you don't check for it properly. Then there would be something that is unique only in the original. This original factor differs from brand to brand. You just visit the official website of your brand and there you are likely to find some or the other method which would enable you to differentiate between the original and its replicas.