The logo appears on the back of the watch as well as on the face. Sometimes a Cartier dial has the name 'Cartier' hidden on it. Fake dials are usually fairly easy to pick out. Compare the Cartier logo and script on a watch to authentic copies to help identify a real watch.
. 17 Answers SOURCE: To look up the serial number is very easy,I specialize in buying and selling Cartier watches. I've seen fakes with all the correct marks and a serial number, but that doesn't mean they are legitimate.
If the watch was registered by Cartier when it was sold or if it has been sent in to Cartier for service Cartier will be able to verify it is authentic, but be aware that if the watch was not originally sold in North America or was not registered when sold (fairly common) it can still be authentic. Some sellers offer the Cartier quartz model for sale and only state that the watch has a quartz movement, but fail to mention if it has a Cartier quartz movement. If it has a replacement movement in it the watch is technically authentic, but not original and is not worth as much as one with an original or a genuine Cartier replacement movement.
The biggest mistake I've seen amateur Cartier buyers make is using the Cartier micro-script signature on the Roman numeral to verify authenticity. Indeed this is a good indicator, but not the best indicator as there were many Cartier watches produced prior to the technology required to make the micro-script possible and not all Cartier watches have Roman numerals for the dial to have the micro-script signature. Furthermore, the micro-script is not always located at the same place and if the dial has been refinished it may not appear at all. Another common problem is actually caused by language differences, i.e. 'all original versus 'authentic'.
A watch can be authentic without being all original. Unless someone has owned the watch since it was new and it has never left their sight it is impossible for them to state the watch is 'all original' as a part could have been replaced at some point in time - even without their knowledge.
Cartier Model Number Lookup
Your best bet is to buy from a reputable seller even if you have to pay slightly more money. CartierSpecialist Posted on May 09, 2012.