13 1/2”’ | Tuning Fork | Sweeping Seconds | Date |

Remarks:

• Date with quick setting
• Date wheel with teeth on the inside (normal switching) and outside (quick setting)
• Index wheel with 200 teeth
• Electronics with only one winding, which is used simultaneously for drive and amplitude stabilization

• Listing ID: 3464
• Manufacturer / Brand: CEH
• Caliber: Swissonic
• Size in French Lignes: 13 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Battery
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Tuning fork
• Date, Day, Month...: Date
• Setting Lever Screw/Pin Position: Right
• Shock Protection: None
• Beats per hour: 480 Hz (not bph!)
• Balance Type: None
• Power Reserve: Unknown
• Production Period: Around 1970
• Country: Switzerland
• Identification: Characteristic tuning fork shape.
• Contributor ©: Uhrforum.de member JackDaniels83
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-24#post-3561236