1700 AZ/ZF IWC Portuguese series 7-day kinetic mechanical watch Model IW500713. The IWC Portuguese series was born in the 1930s. The design is exemplary. It is not only eye-catching in size, but also decorated with simple Arabic numerals, slender willow-shaped hands and track-type minute rings. The original dial with its clear layout and simple style still guides fashion and is insurmountable. The exquisite back is transparent, and the movement can be seen at a glance. The 9-digit second hand, the second hand is equipped with a stop device, the dial is simple and open, and the 3-digit 7-day mechanical kinetic energy display , carry Hangzhou 2c10 movement, stable and accurate travel time, fully automatic winding system, 7-day power reserve, the movement has been proven by history to be stable and reliable. In terms of stable and accurate travel time, it beats other domestic kinetic energy mechanical movements in an instant, with a diameter of 42.3m. , Thickness 14.1m, original size, lightweight formal wear, elegant temperament, double-sided first-layer calfskin strap, made of 316 stainless steel, 3bar waterproof performance multi-functional mechanical watch, actual picture taken,,,iwc,cowhide