18 1/2”’ | Hand Wind | Cylinder | Small Seconds |

Remarks:

• Libelle = dragonfly
• Libelle was a (picture) mark of Steinleitner and Schott from Würzburg. Registered in 1894.
• There is also a Libellle 18 1/4”’
• The movement with 18 1/2”’ is probably somewhat newer than the one with 18 1/4”’

• Listing ID: 2730
• Manufacturer / Brand: Libelle / Steinleitner and Schott
• Caliber: 18 1/2'''
• Size in French Lignes: 18 1/2'''
• Size range mm largest diameter: > 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown with pin/pusher
• Seconds Hand: Small seconds
• Escapement: Cylinder
• Date, Day, Month...: None
• Jewels: 10
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Brass
• Power Reserve: Unknown
• Production Period: From approx. 1894
• Country: Germany
• Identification: Movement marked with a dragonfly and the Swiss patent number 6335. The Swiss patent CH6335 by Steinleitner from 1893 shows exactly this movement.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-33#post-4200991
• External Link 2: https://watch-movements.eu/blog/en/2018/08/04/eine-libelle-aus-wuerzburg-2/