Omega Aviator German Air Force Cal 35.5 S-T1 Manual c. 1931 Steel 41 mm


  • Model: Omega Aviator "German Air-force"
  • Conditions: Very good (please see pictures for details) 
  • Functions: ALL running well. Recently cleaned and oiled. 
  • Movement: Mechanical (Manual wind) Swiss-Made 
  • Caliber: 35.5 S-T1  / S = Seconds; T = Upgraded (transformation)
  • Jewels: 15
  • Signed Omega: Dial, Case, Crown, and Movement 
  • Material: Stainless Steel Case, Crown, and Bezel (Never polished)
  • Caseback Reference #: 8228781
  • Serial: 7,426,785
  • Year: 1931
  • Dial: Black (Original Patina, Never refinished)
  • Hour Markers: Arabic Numerals (Original radium, Never re-lumed)
  • Hands: Steel (Original radium, Never re-lumed)
  • Bezel: Stepped, bi-directional rotating, with inner calibration marker
  • Crown: Ball type*
  • Diameter: 41.0 mm without crown 
  • Case Thickness: 15 mm 
  • Lug Width: 23 mm / Wire style
  • Strap: Unworn military nylon
  • Other: Screw-down caseback, Small seconds, Dart hour marker
  • No Box
  • No Papers

*The large ball crown of this watch is placed on an extended stem, to facilitate winding by aviators, who wore heavy gloves

Very rare and hard to find. Collectible timepiece!