42mm tourbillon hollow mechanical watch men's silver dial ring diameter manual winding sapphire crystal surface waterproof diamond set, Slivery;brown

the dial case is 45mm, the ring mouth diameter is 42mm, and the thickness is 12m. the dial is inlaid with small black diamonds, which are firm and durable and not easy to fall off the case is made of electroplated black stainless steel and the dial is equipped with a high-quality tourbillon hollow mechanical movement which can be wound manually and last more than 48 hours the front of the strap is made of the first layer of cowhide and the back is made of thai natural rubber which is flexible comfortable and waterproof it is equipped with flexible folding snap buttons the black case is exquisitely crafted, the overall design is coordinated with diamonds, the proportion is uniform, and the expression is strong. a symbol of a successful man.syi