fake or authentic??

I was given a U-Boat Classico AS/45 watch. I am grateful for the gift. And I love it. But a so-called friend questions the watch's authenticity, since it was bought from Amazon. The watch came in a wonderful box, with cool black booklets and a plastic registration card. Lots of Italian. Is there...

hey guys i am new on this forum and i have a doubt about a watch. i have an old longines watch called la grande classique de longines L4 709 2. i was wondering if you could tell me how i could differentiate a fake one from a genuine one. and is it gold plated? because its rubbed off a bit. it...

I'm new to collecting Gs so please bear with me.. I bought from eBay a DW5600EG-9 that came in the mail today. I bought it from this guy: eBay My World - jj_watches. It came in what I believe is not a Gshock box (see pics below). I looked up the serial # on the bottom of the stand and that...

can anyone tell me the watch is real or fake. i am buying from ebay.