Omega 490-1243, Fourth wheel, New

Omega 490-1243, Fourth wheel, New

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  • New original Omega part in factory sealed packaging.

  • Fits cal: 490, 491


Versions: 25.00 mm.


  • 470: 17 jewels (1955).

  • 471: 19/20 jewels (1955).


Versions: 28.00 mm.


  • 490: 17 jewels, sub second (1956).

  • 491: 19 jewels, sub second (1956).

  • 500: 17 jewels, center second (1956).

  • 501: 20 jewels, center second (1956).

  • 502: 17 jewels, center second, date (1956).

  • 503: 19/20 jewels, center second, date (1956).

  • 504: 24 jewels, center second, date, chronometer (1957).

  • 505: 24 jewels, center second, chronometer (1957).