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

• Listing ID: 12334
• Manufacturer / Brand: Thommen
• Caliber: Model No. 16
• 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: None (Negative Winding)
• Balance Position: Right (0 - 120°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance with Breguet hairspring
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1910
• Country: Switzerland
• Identification: Movement registered by Thommen in the Swiss Official Gazette of Commerce on 01.10.1910 as model No. 16. Model No. 16 is not an official caliber designation, but was used to register the design.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)