Jules Jurgensen，精細及罕有，18K紅金獵殼懷錶，配追針計時及跳秒功能，1876年製

According to the Musée d'Horlogerie du Locle, the present watch movement was completed July 1876, with further adjustments completed October 29, 1877 and the final case work August 24, 1881. The final sale order is recorded as November 25, 1881, to an address in New York. At the time the watch cost 1226 Swiss Francs.