Heuer, Calculator, Automatic Chronograph, Fine and unusual, oversized, tonneau-shaped, water-resistant, self-winding stainless [..]
Dial, case and movment signed, in very good condition
NOTE: This watch appears to have an unpolished case and is preserved in overall mint condition. It includes the rare original steel Heuer bracelet. The Calculator having a sliderule as bezel was a sophisticated system by which difficult arithmetical problems could be solved, the slide rule enabled to convert weight, volume and distance measurements