11”’ | Hand Wind | Cylinder | No Seconds |

Remarks:

• Click on the dial side
• Rocking bar winding

• Listing ID: 383
• Manufacturer / Brand: EKB (Eduard Kummer Bettlach)
• Caliber: Model No. 505
• Size in French Lignes: 11'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: None
• Escapement: Cylinder
• Date, Day, Month...: None
• Jewels: 1
• Setting Lever Screw/Pin Position: Left
• Balance Position: Left (240 - 360°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Brass
• Power Reserve: Unknown
• Production Period: Around 1929
• Country: Switzerland
• Identification: Registered by EKB in the Swiss Official Gazette of Commerce on 26.01.1929 as model No. 505. Model No. 505 is not an official caliber designation, but was used to register the design.
• 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-59#post-8280936