5 1/2 x 6 3/4”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• Movement family:
  T = Transformation (modification)
  • Omega 480: 19,800 bph, bimetallic screw balance, KIF Duofix
    Successor of the Omega R 13.5 T1
  • Omega 481: T1, 19,800 bph, bimetallic screw balance, KIF Duofix
  • Omega 482: T2, 19,800 bph, monometallic balance without screws, KIF Duofix
  • Omega 483: T3, 19,800 bph, monometallic balance without screws
  • Omega 484: T4, 19,800 bph, monometallic balance without screws, longer mainspring
  • Omega 485: T5,  21,600 bph, mobile hairspring stud-holder

• Listing ID: 8662
• Manufacturer / Brand: Omega
• Caliber: 485
• Size in French Lignes: 5 1/2 x 6 3/4'''
• Size range mm largest diameter: 0 - 22 mm
• Shape: Form
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Right
• Balance Position: Right (0 - 120°)
• Shock Protection: KIF Ultraflex
• Beats per hour: 21,600
• Balance Type: Glucydur?
• Power Reserve: Approx. 46 hours
• Production Period: 1967+ (1,195,000 pieces)
• Identification: Movement marked with OMEGA and 485. Original datasheet from 1969 available.
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)