Originally Posted by DateDoc

Ask them if it comes with the manufacturer's warranty. If they answer with something like, "We warrant all watches for 2 years" or something along those lines they do the warranty work in-house because the warranty from the maker is void.

A lot of the watches on eBay are grey market. A licensed retailer often is prohibited from selling the watch at anything other than full retail. To get around this they sell them to a third party at near wholesale and they in turn put them on eBay.