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This is a caseback designed for 1960s Omega Seamasters and Constellations with screw-down casebacks. This caseback has a blank sapphire window fitted to a polished 316L stainless ring. Unlike other casebacks, this design will not increase the thickness of your watch. Whether you have a Chronometre Seamaster or a Pie Pan Constellation, you can enjoy the sight of your Omega calibre at your leisure!


Usage Instructions:

Fitment is simple. Just remove the old caseback, screw on the new one, and enjoy the view! 

*The caseback will ship with a protective sticker, which should be removed for optimal viewing.



If you have any questions, feel free to send a message, and we'll get back to you as soon as possible!


Omega 550 551 552 560 561 562 563 564 565 750 751 752

Sapphire Exhibition Caseback for 1960s Vintage Seamasters and Constellations

SKU: C3-CB1-2020
  • The caseback is designed for some of the 1960s Omega dress watches that house 55X/56X/75X-series movements. It is not designed to be compatible with divers or chronographs. The caseback is confirmed to fit the following references:








    and many more.

    If your reference isn't in this list, contact us with it, and we can check to see if this caseback is compatible with your watch. 


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