18 1/4”’ | Hand Wind | Cylinder | Small Seconds |

Remarks:

• The above-mentioned patent “Knopfaufzug und Zeigerstellvorrichtung für Taschenuhren” (Button winding and hand setting device for pocket watches) describes the special winding mechanism of this movement via the large steel gear rim on the dial side.

• Listing ID: 438
• Manufacturer / Brand: Kuhn & Tièche
• Caliber: 18 1/4'''
• Size in French Lignes: 18 1/4'''
• Size range mm largest diameter: > 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown with lever
• Seconds Hand: Small seconds
• Escapement: Cylinder
• Date, Day, Month...: None
• Jewels: 6
• Setting Lever Screw/Pin Position: Center
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Brass
• Power Reserve: Unknown
• Production Period: Around 1887
• Identification: The German patent 42909 from 1887 marked on the barrel bridge belongs to Kuhn & Tièche from Reconvillier in Switzerland.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-58#post-8145555
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)