AQUASTAR Genève, Regatta Men's sailing race countdown wristwatch. Barrel-shaped steel case. Dial with satin-finished silvered back, signed, with applied baton markers for the main hours, and black-painted dashes and Arabic numerals for the minutes. Five red disc windows, central second hand. Automatic movement (unopened). Screw-down caseback, signed and numbered 501162 and 4000N. Black rubber strap and steel buckle, signed. Circa 1965-1970. Small scratches on the case, scratches and cracks in the plexi, applied bracelet. Pressing the button triggers a five-minute countdown, marked by the second hand returning to zero and the progressive colouring of the five discs in red.