Heuer | Calculator Original 1975

The watch brand Heuer, now known as TAG Heuer, has a rich history and is known for its innovative watch models. One of Heuer's special models is the "Calculator" chronograph, also known as the "Heuer Calculator."

What makes the Heuer Calculator chronograph special is its unique design with a slide rule on the outer edge of the dial. This slide rule allows the wearer to perform various mathematical calculations, including multiplication, division, speed calculations, conversions, and more. The Calculator was introduced in the 1970s and was especially popular among pilots, engineers, and mathematicians, as it offered a practical and useful function right on the wrist.

The Calculator model represents Heuer's commitment to technical innovation and functionality. It was one of the first mechanical wristwatches to integrate such a slide rule, providing a practical solution for complex calculations on the go. This chronograph was an example of Heuer's advanced engineering and shows how the brand was always striving to develop watches with additional useful features and applications.

Today, the Heuer Calculator is a sought-after rarity among watch collectors and vintage watch enthusiasts. Its unique design and technical innovation make it a coveted collector's item that reflects the history and heritage of Heuer as a leading manufacturer of chronographs and technically advanced timepieces.