Eberhard Chronographe Ref. 300 31 Around 60th 18ct gold-case, silver-plated dial with setted indexes and figures 6 and 12 2 auxiliary dials with 30-minutes-recorder and little seconde Tachymeter-scala Movement: LemaniaCal. 1872, 17 jewels diameter of case: approx. 31mm brown-Kroko-leather strap,16mm