12 1/2”’ | Key Wind | Cylinder | No Seconds |

Remarks:

• Movement also available with other diameters, e, g. 15 3/4”’
• Maltese cross stopwork on mainspring barrel

• Listing ID: 14569
• Manufacturer / Brand: Vacheron Constantin
• Caliber: Cylinder 12 1/4'''
• Size in French Lignes: 12 1/4'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Key)
• Hands Setting: Key
• Seconds Hand: None
• Escapement: Cylinder
• Date, Day, Month...: None
• Jewels: 10
• Setting Lever Screw/Pin Position: None (Key Winding)
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Brass
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1840
• Country: Switzerland
• Identification: Design identical to other movements that could be identifed as Vacheron Constantin, e. g. here: https://mb.nawcc.org/threads/is-it-a-genuine-1860s-vacheron-constantin.140520/
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)