The Quality Jacob & Co. Quenttin Mens Quenttin M Manual Winding Black Black Rubber watch is constituted with top quality Magnesium case, powerful Manual Winding and extremely readable Transparent vertical mechanical movement with winding escapement in tourbillon cage dial. Black Black Rubber band around your wrist is very attractive. This Square watch has good waterproof and dustproof function. Its size is 56 mm x 47 mm. It is time to highlight your style with this remarkable Mens watch.