The ultimate version of IWC Portuguese series IW390704 OB2 with white shell and gold shell produced by famous craftsman Swiss watch, diameter 45x14.5, equipped with Cal.89361 chronograph movement with super luminous. Ultimate modification 1. Double-sided raised sapphire crystal glass 2. Case CNC top-notch craftsmanship Polished and polished through multiple processes, the lines are clear and smooth 3. The strap is upgraded to an imported rubber strap that has no odor, does not stick to dust, and does not turn white 4. The buckle is upgraded to the original long earth buckle 5. The gloss details of the literal calibration are closer to the genuine product. Made with care only for Comparable to the exquisite counters of famous craftsmen Swiss watches, we recommend men’s multi-functional mechanical watches. The famous craftsmen Swiss watches carefully create ultra-realistic photo shoots for you. IWC