I occasionally buy stuff on the internet from wendors/website that I do not feel completely secure about. In cases like this, I use paypal to pay them - my paypal is in turn linked to my american express.
A watch I bought, using the above method, quit working after 1.5 months of use (it had 1 month of vendor warranty). My Amex automatically extends warranty by twice the time the vendor offers it.
So my question is, is the Amex warranty going to work in this case ?