1. Watch case back cover. Where the original watch, especially men's watch, must be printed on the case back cover a lot of English letters, indicate the watch brand name, production of country, all steel or semi-steel waterproof, anti-magnetic, shock or shockproof name Watch the appearance of English letter marks), and engraved with a trademark trademark watch special logo. In addition, there are some numbers engraved, used to indicate the watch's movement and shell number. Most of the motifs and letters engraved on the back cover of the counterfeit watches are very vague and unclear. The original watch back cover are generally affixed with a film, and plum Titoni table table affixed to the back of the table affixed a green plum -shaped label. Swiss-made gold-plated shell watch with lettering in the open position of the case (opposite to the spring bar on which the strap is fitted), such as PLA