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

Remarks:

• Pillar construction

• Listing ID: 21001
• Manufacturer / Brand: Vuilleumier
• Caliber: Model No. 1
• 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: 7
• Setting Lever Screw/Pin Position: Right
• Balance Position: Right (0 - 120°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1901
• Country: Switzerland
• Identification: Registered by Léon Vuilleumier on 07.11.1901 in the Swiss Official Gazette of Commerce as model no. 1. Model no. 1 is not an official caliber designation, but was used to register the design.
• Contributor ©: Uhrforum Member Badener (Andreas Kelz)