Breguet No. 218 Inking Chronograph watch, so called Compteur de pointage". Gold case, enamel dial with subsidiary chapter rings for hours and minutes, center seconds with Breguet inking hand. Diam. 49mm. Sold January 1837 to John Magin and Cie in New York for the sum of 1395 francs.
aperture=f5.6 focal length: 15.8 mm exposure 1/100 sec ISO: 100