11 1/2”’ | Hand Wind | Swiss Lever |Direct Sweeping Seconds |

Remarks:

• Lever mechanism for adjustment using buttons in the watch case

• Listing ID: 3108
• Manufacturer / Brand: Avia / FHF
• Caliber: Avia Ajustor = FHF 73
• Size in French Lignes: 11 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central 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: Incabloc
• Beats per hour: 18,000
• Balance Type: Mono-/Bimetallic screw balance with Breguet hairspring | Glucydur | Nickel | Brass
• Power Reserve: Approx. 42 hours
• Production Period: Around 1960
• Identification: Movement marked with FHF 73. Movement used in an Avia Ajustor watch.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-29#post-3875832
• External Link 2: https://watch-movements.eu/blog/en/2019/10/06/avia-ajustor-regulation-made-easy/
• Country: Switzerland
• Contributor ©: Uhrforum.de member JackDaniels83