LONGINES 1917 cal. 18,49 Vintage Pocket Watch Restoration

Longines cal.18.49, 1917 pocket watch restoration.
I am not a professional watchmaker, watchmaking is just my hobby.

History:
1832–1867
Longines was founded in Saint-Imier in 1832 by Auguste Agassiz, a Swiss watchmaker and brother of biologist Louis Agassiz. Auguste had two partners, lawyers Henri Raiguel and Florian Morel; the company's original name was Raiguel Jeune & Cie. By 1846, Raigeul and Morel had retired from the watch industry, leaving Agassiz as sole company head. Several years later, Agassiz brought in his bright, enterprising nephew, trained economist Ernest Francillon, into the business. Francillon was the mastermind behind several impressive innovations that would distinguish the company from its competitors. One early stroke of genius from Francillon was to solely produce crown-wound pocket watches rather than the prevalent key-wound alternative. Later, when Agassiz started suffering from ill health, he passed leadership to Francillon.
1867–1878
Under Francillon, the company began segueing out of the établissage system and moved towards more modern production methods. Francillon solidified his firm's progression to mass production in 1867 by establishing his first factory. Its location, an area in southern St. Imier known locally as Les Longines ("long meadows"), gave rise to the Longines name. To help further his efforts to improve the production at Longines, Francillon brought on Jacques David, a talented engineer. In addition, Francillon appointed David as Technical Director and put him in charge of the new factory. By 1867, it was also marked the year the Longines factory produced its first in-house watch movement, the 20A. The 20A, built with an anchor escapement (usually employed in pendulum clocks), was wound and set via a pendent crown. The innovative movement won an award at the 1867 Universal Exhibition in Paris…
For more information visit:
https://en.wikipedia.org/wiki/Longines

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