Vintage Heuer Automatic Calculator with Box
Vintage Heuer Calculator stainless steel automatic chronograph Ref. 110633, made in the 1970’s, is an oversized, tonneau-shaped, water-resistant, self-winding stainless steel left-handed wristwatch with round button chronograph, registers, date, and bezel with slide rule.
The 45.5 mm stainless steel case is has a screwed-down case back, winding-crown at 9, chronograph buttons at 2 and 4, hooded lugs, revolving double bezel serving as silde rule to convert kilometers into nautical knots, yards and miles and measures in US gallons. Black dial with applied luminous steel baton index hour markers, outer 1/5th seconds scale, subsidiary dials for the 12-hour and 30-minute registers marked by red segments every 5 minutes, aperture for the date. Luminous orange baton hands. Cal. 12 movement, gilt brass, 17 jewels, automatic, warrantied by Aaron Faber for 2 years, original box.