17 3/4”’ | Hand Wind | Swiss Lever | Small Seconds

 

• Listing ID: 5428
• Manufacturer / Brand: Tavannes
• Caliber: Model No. 24
• Size: 17 3/4'''
• Shape: Round
• Winding: Manual (Crown)
• Hand Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date & Day: None
• Jewels: 15
• Setting Lever Screw/Pin Position: Right
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance with Breguet hairspring
• Power Reserve: Unknown
• Production Period: Around 1908
• Identification: Registered by Tavannes Watch Co. on August 22, 1908 in the Swiss Official Gazette of Commerce (SOGC) as model No. 24. Model No. 24 is not an official caliber designation, but was used to register the design.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-63#post-8882704
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)