Heuer | Calculator Original 1975
Unique timepiece from Heuer's 70s collection of this legendary Swiss manufacturer, 1975
# HEUER, ORIGINALLY SIGNED ON DIAL, CASE BACK, AND MOVEMENT
# AUTOMATIC WITH SCREWED HOUSING AND ALUMINUM SLIDE RULE BEZEL
# ORIGINAL CROWNS AND PUSHERS AND ORANGE INDICATORS
# BLUE DIAL AND ROTATABLE BEZEL AND DATE AT 6
# IN THE ORIGINAL CONDITION AND BEAUTIFULLY PRESERVED INDICES
# ESPECIALLY POPULAR AMONG PILOTS, ENGINEERS, AND MATHEMATICIANS
# MASSIVE STEEL CONSTRUCTION
# FUNCTION CLOCK
# 45MM (49MM WITH CROWN)
# AUTOMATIC
# WORK CAL. NEIGHBORS 15
# REFERENCE 150.633 B
# SCREWED FLOOR COVER
# ACQUIRED FROM A GERMAN COLLECTOR
Technically, the Heuer including the slide rule works perfectly and has been freshly serviced: (282°; +20s/d).
The watch shows hardly any signs of use. There are no deep scratches, dents, or the like; the glass is scratch-free.
The watch brand Heuer, known today 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."
The special feature of the Heuer Calculator Chronograph is the 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, thus providing a practical solution for complex calculations on the go. This chronograph was an example of Heuer's advanced engineering and demonstrates 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.
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