Omega 26.5 T3 PC T1 (100)

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The Omega cal: 26.5 was manufacturedbetween1926 and1952,from 1949it was renamed to cal: 100. The 26.5 was developedin collaboration withTissot(cal: 27)and there aregreat similaritiesbetween them.Winding and setting mechanismare identicalparts(notsetting lever) and isamong the works, including crown wheel and ratchet wheel.


The ilustrated movement, no: 9 754 275 are manufactured in 1944.


Data: Omega cal: 100 (26,5 T3 PC T1)


  • 15 jewels, manual wind, sub second.

  • Size: 26.50 mm.

  • H: = 3.95 mm.

  • N: = 18 000 A/h.

  • Power reserve: 37 h.


Versions:


  • 26,5 SOB: Compensating balance (1926)

  • 26,5 SOB T1: Compensating balance, minor mod (1933).

  • 26,5 SOB T2: Compensating balance, minor mod (1935).

  • 26,5 SOB PC T2: Compensating balance, minor mod (1940).

  • 26,5 T2 PC: Compensating balance, shock protection (1940).

  • 26,5 T3: Mono metallic balance, minor mod (1941).

  • 26,5 T3 PC: Mono metallic balance, shock protection, minor mod (1941).
  • 26,5 T3 PC T1: = cal: 100, Mono metallic balance, antimagnetic, incabloc (1943).