11 1/4”’ | Hand Wind | Cylinder | No Seconds

• Listing ID: 18575
• Manufacturer / Brand: Dreyfus Frères
• Caliber: Model No. 1
• Size in French Lignes: 11 1/4'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: None
• Escapement: Cylinder
• Date, Day, Month...: None
• Jewels: 10
• Setting Lever Screw/Pin Position: Left
• Balance Position: Left (240 - 360°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Brass
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1902
• Country: Switzerland
• Identification: Movement marked with Swiss cross and 8805. Registered by Dreyfus Frères on 26.06.1902 in the Swiss Official Gazette of Commerce as model no. 1 with the registration number 8805. Model No. 1 is not an official caliber designation, but was used to register the design.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)