Heuer. A stainless steel automatic chronograph watch Calculator, Ref:110633, Circa 1972

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Lot 44
Heuer. A stainless steel automatic chronograph watch Calculator, Ref:110633, Circa 1972

Sold for € 1,500 (US$ 1,649) inc. premium
Heuer. A stainless steel automatic chronograph watch
Calculator, Ref:110633, Circa 1972
17-jewel Cal.12 automatic movement signed on the bridge Heuer, dark blue dial, applied polished baton hour markers with luminous inserts, white printed outer minute divisions, dial signed Heuer Calculator Automatic Chronograph, baton hands with luminous inserts and white tips, white centre chronograph hand with luminous block towards the tip, date aperture at 6, subsidiary dials at 3 and 9 for 30 minute with white accents and 12 hour recording, brushed and polished stainless steel oversized case with large rotating bezel marked for calculations, screw down case back signed Heuer Leonidas inside, signed crown at 9 and twin fluted chronograph buttons at 2 and 4, case, dial and movement signed
45mm.

Footnotes

  • Before the arrival of the integrated circuit and the computer, the slide rule represented quite the pinnacle of technology. Allowing the user to perform complex calculations quickly and being able to use one was quite a skill; for working out anything from the service to pay at a restaurant to the amount of fuel and range remaining for an aircraft. Although Brietling were probably the most well known for producing slide rule equipped watches, the Calculator joined the Heuer range in 1972 and was powered by both the calibre 12 and 15 movements during its production run.
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