1950s Audemars Piguet Calatrava Waterproof 18k Yellow Gold Sweep Center Seconds silvered Dial 2499An extremely rare and stunning 1950s Audemars Piguet Calatrava Waterproof Sweep Center Seconds with a fantastic silvered dial in 18k yellow gold. The watch is stunning condition, showing only light signs of wear or minor scratches, which are to be expected for a piece of its age. This watch has been manufactured in the 1950s and presents the classic size, for the time, of the case with 34 mm. The elegant and thin case is decorated with long downward