Wittnauer produced this Super Compressor. The Super Compressor case was designed and developed by Piquerez. This watch includes two crowns, an inner rotating bezel, and a pressurized gasket and case back mechanism. Features a black Patinated dial, cross-hatched crowns with the brand’s signature “W” and a white minute track. The dial, hands, case, and movement are in good condition. Automatic caliber C11KAS movement. Acrylic crystal. Black leather strap with Stainless Steel buckle. Functions of the timepiece include hours, minutes. Swiss made timepiece. Store box and a One Year store warranty on parts and labor.