Luxury Patek Philippe Golden Ellipse Mens 3738/100j Automatic Black Crocodile Leather watch helps you become more charming. This Tonneau watch powered by Automatic movement is great in quality and innovative in design. 18k Yellow Gold case is very solid and good looking. Black Crocodile Leather bracelet is very modish. And Blue dial is easy to read. The Mens 31mm x 37mm watch can resistant water in some degree, but we suggest you not wear it while swimming or showering.