7 3/4 x 11”’ | Hand Wind | Swiss Lever | Indirect Small Seconds

• Listing ID: 4524
• Manufacturer / Brand: Buren
• Caliber: 50 GN
• Size in French Lignes: 7 3/4 x 11'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Form
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Left (240 - 360°)
• Shock Protection: Incabloc
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1949
• Identification: Dial side marked with 50. Listed in the Classification Horlogère from 1949.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-10#post-2107221
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)