19”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• In 1904 Brack’s firm became ‘Fabrique Lavina’

• Listing ID: 20988
• Manufacturer / Brand: Brack / Lavina
• Caliber: Model No. 3
• Size in French Lignes: 19'''
• Size range mm largest diameter: > 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 15
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Bimetallic screw balance with Breguet hairspring
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1903
• Country: Switzerland
• Identification: Registered by Brack on 27.06.1903 in the Swiss Official Gazette of Commerce as model no. 3. Model no. 3 is not an official caliber designation, but was used to register the design.
• Contributor ©: Uhrforum Member Badener (Andreas Kelz)