Jacob & Co. GMT World Time Automatic Quality Mens JC-29D Automatic Black Rubber watch helps you become more charming. This Round watch powered by Automatic movement is great in quality and innovative in design. Stainless Steel case is very solid and good looking. Black Rubber bracelet is very modish. And Black Dial with Yellow/Blue/Red Sub Dial dial is easy to read. The Mens 47 mm watch can resistant water in some degree, but we suggest you not wear it while swimming or showering.