11 1/2”’ | Hammer Automatic | Swiss Lever | Small Seconds |

Remarks:

• First (hammer) automatic of the Felsa company ca. 1938
• Due to the shock protection, this is probably an early model. Later models mostly use Incablocs

• Listing ID: 3786
• Manufacturer / Brand: Felsa
• Caliber: 279
• Size in French Lignes: 11 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Automatic
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Shock-Resist
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: Approx. 1938 - 1942
• Identification: Dials side marked with Felsa logo and 279
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-19#post-3004438
• Country: Switzerland
• Contributor ©: Uhrforum.de member JackDaniels83