Calculator Ref.110.633 Black Dial Chronograph with Slide Rule Bezel

Vintage Heuer Calculator Ref.110.633 Chronograph with black dial from 1977.

Heuer Calculator Ref 110.633 black dial in immaculate condition fronts the outstanding rotating bezel with a myriad of scales (which is how Calculator came to be the model name), encompassing within a Chronograph layout with subsidiary dials at three and nine o'clock. Date aperture sits at six and time is denoted by lume markers and lume Pencil hands. Plexi Glass protects the face. Unusual look and presentation as it is, the Heuer Calculator stands out today as a collectible. 

- Perfect working conditions
- Authentication & Verified by Swiss WOSTEP watchmaker

Experience this rare & unusual vintage chronograph at 2ToneVintage Watches now!