Very rare Eberhard & Co. Edition hommpage Abraham Louis Perrelet Le Locle. 1770 / Limited Edition / Moonphase Date Day Month/ Chronograph This watch was professionally fully serviced before being offered at our shop. As a chrono24 trusted seller we guarantee the originality of the watch. History "Since the early 16th century there had always been again watchmaker with the development of a Per pertum mobile as a movement for pocket watches. In search of a perpetual watch, the Swiss Abraham Louis Perrelet in Le Locle, a small town in the Swiss Jura, was the first to develop a self-winding pocket watch in 1770. Perrelet's ingenious, much admired invention was based on the rotor principle. However, this rotor principle could hardly be used in pocket watches, because the rotor movement in a pocket watch was too small when worn, so the movement impulses were not sufficient to tension the spring. Nevertheless Perrelets 'montre perpetuclle found in the It attracted a great deal of attention among experts, as it came very close to the original idea of a perpetual motion machine. It was not until several generations later that the invention of Abraham Louis Perrelet was to be put to full use." "NOTARIAL DOCUMENT ACTE NOTARIE Rudolf Meler Notary of the Canton of Bern with an office in Biel notarized: Mr Charles Bran in his capacity as the sole director of the company Eberhard & Co S. A., stock corporation with headquarters in Biel, explained: The company Eberhard & Co S.A. published 999 bracelet Chronograph with 3 calendar indications and moon phases Advertisement labeled "Eberhard & Co. S.A fondée en 1887, automatic "on the dial and" Edition hommage Abraham Louis Perrelet Le Locle 1770 "on the back case. The watches are equipped with a mechanical automatic movement of Valjoux, Cal. 13 "7751. The chronographs are individually on the case back Numbered 001 / 999 to 999/999. Mr. Charles Brandt hereby declares that in the context of this Edition by Eberhard & Co. no more than 999 of the Chronographs appear. He undertakes to surrender of the above model with the sign Eberhard & Co SA fondée en 1887, automatic "limited to 999 pieces limited. " Case diameter: , without crown 40mm and thickness 13mm New leather strap "Morelatto" with gilded buckle Neutral black travelbox All parts are original. This watch is high collectible item Watch number 905 Including copies of documents: NOTARIAL DOCUMENT / ACTE NOTARIE CERTIFICATE USER MANUAL EDITION HOMMAGE Abraham Louis Perrelet / History Look at the pics,that told more than 1000 words Will be send registered and insured Please look at my other watches to.