7 3/4”’ | Hand Wind | Swiss Lever | No Seconds

• Listing ID: 5115
• Manufacturer / Brand: Helvetia / Dugena
• Caliber: Dugena 775 = Helvetia 102
• Size in French Lignes: 7 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: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Incabloc
• Beats per hour: 21.600
• Balance Type: Unknown
• Power Reserve: Unknown
• Production Period: Unknown
• Identification: Ratchet wheel marked with Dugena 775. Listed in the Flume K3 catalog as Helvetia 102.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/#post-1120411
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)