10 1/2”’ | Hand Wind | Swiss Lever | Small Seconds

Remarks:

• Movement family:
  • Zenith 106: small seconds, no shock protection
  • Zenith 106-50: indirect sweeping seconds (with bridge), no shock protection
  • Zenith 106-6: small seconds, Incabloc shock protection
  • Zenith 106-50-6: indirect sweeping seconds (with bridge), Incabloc shock protection
  • Zenith 106 S. C.: indirect sweeping seconds (without bridge), no shock protection
  • Zenith 106-7: small seconds, no shock protection, unlocking the winding stem on the dial side
  • Zenith 106 P: plate and bridges with bevelled edges (Mouvement Pincé)
    The P was also available on other variants of the movement, e.g. as 106-P-50.
  • Suffix B: cam disk regulator and Breguet hairspring instead of flat hairspring

• Listing ID: 10021
• Manufacturer / Brand: Zenith
• Caliber: 106
• Size in French Lignes: 10 1/2''', height 3.8 mm
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 15
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: 1937 - 1957 (all 106 variants)
• Country: Switzerland
• Identification: Movement marked with ZENITH and 106.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
• External Link 2: https://watch-movements.eu/blog/en/2020/10/03/zenith-movements-in-display-watch-cases/