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Hotel Nogalhilton Geneve, Nov 11, 2001

LOT 220

Heuer Calculator, Automatic Chronograph. Produced in the 1970's.Fine and unusual, tonneau shaped, water-resistant, stainless steel gentleman's wristwatch with round button chronograph, registers, date and calculator, with a stainless steel articulated bracelet.

C. three-body, polished and brushed, screwed-down case back, winding-crown on the 9, chronograph buttons on the 2 and the 4, revolving double bezel serving as calculator to convert the kilometers into nautic knots, yards and miles and measures in US gallons, hidden lugs. D. navy blue with tritium-coated applied steel indexes, outer 1/5th of second white painted scale, auxiliary dials for the 12 hours and 30 minutes registers marked by red segments every 5 minutes, aperture for the date on the 6."Bâton" tritium-coated orange hands. M. Cal. 12, gilt brass, 17 jewels, straight line lever escapement, monometallic balance, self-compensating flat balance spring.Dial, case and movement signed.Diam. 45 mm.