A. Francois, Paris

Property from the Masterworks of Time Collection

A. Francois, Paris

A rare and unusual silver double open-faced keyless chronograph watch

phonotelemetre/tachymeter thouvenin, circa 1900, no. 2417

• Movement: lever escapement, compensation balance

• Dials: front - white enamel, Roman numerals, concentric outer distance scales calibrated for kilometres and with central indicator hand, marked Curvimetre International • second - white enamel with bands of pink and blue, calibrated for 15-second chronograph, subsidiary minute register, concentric scales for telemeter, tachymeter, outer ring calibrated for 15 seconds, front dial signed A. Francois, Paris

• Case: silver, plain bezels, small compass set within the winding crown, bezel numbered 2417, knurled wheel in the band for turning distance gauge hand to front dial

diameter 52mm