13”’ | Hand Wind | Cylinder | No Seconds

• Listing ID: 11740
• Manufacturer / Brand: Bettinelli De Vecchi
• Caliber: Model No. 1
• Size in French Lignes: 13'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown with pin/pusher
• Seconds Hand: None
• Escapement: Cylinder
• Date, Day, Month...: None
• Jewels: 10
• Setting Lever Screw/Pin Position: Right
• Balance Position: Left (240 - 360°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Brass
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1909
• Country: Switzerland
• Identification: Registered by Bettinelli De Vecchi in the Swiss Official Gazette of Commerce on 18.06.1909 as Model No. 1. Model No. 1 is not an official caliber designation, but was used to register the design.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)