8 3/4”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• Fabrique L’Essor, also known as Rossé & Affolter or Court Watch Co. SA, is a relatively unknown movement manufacturer from Court in Switzerland. The company still exists today and manufactures lathed parts, including for the watch industry

• Listing ID: 3793
• Manufacturer / Brand: L'Essor
• Caliber: 519
• Size in French Lignes: 8 3/4'''
• Size range mm largest diameter: 0 - 22 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 15
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: Unknown
• Country: Switzerland
• Identification: Listed in the Paulson catalog from 1950.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-19#post-2992582