Offered here is a rare and iconic Wittnauer 2000 Day-Date Automatic men’s wristwatch, featuring a mechanical perpetual calendar display. This model was produced in the late 1960s – early 1970s and represents one of the most distinctive and technically interesting designs of the era. The watch features a black dial with: Day and date window at 3 o’clock Perpetual calendar indication with months and calendar scale Multiple recessed displays integrated into a symmetrical layout The stainless steel case has a bold, angular 1970s design and is fitted with two pushers on the right side to adjust the calendar functions, in addition to the crown. The watch is powered by a Swiss automatic mechanical movement, reliable and robust, typical of Wittnauer / Longines production of the period. This example is offered together with its original Wittnauer 2000 presentation box, which is increasingly rare and adds significant collectible value. Condition: Watch is in good vintage condition, with visible signs of age and wear consistent with normal use Dial, hands, and calendar displays are well preserved Case shows light scratches and marks Movement is running at the time of listing, accuracy not tested over long periods Specifications: Brand: Wittnauer Model: 2000 Day-Date Movement: Swiss automatic mechanical Functions: Hours, minutes, central seconds, day, date, perpetual calendar Case material: Stainless steel Approx. case diameter: ~38 mm (excluding crown) Era: circa 1960s–1970s A highly collectible vintage watch, perfect for enthusiasts of unusual calendar watches and classic Swiss horology.