Upgrade your watchmaking toolkit with this UK-engineered PVD-coated steel Master Case Back Opener. Perfectly designed to safely open and seal vintage Omega Speedmasters, Seamasters, and rare chronographs without slips or scratches, it's an essential instrument for professional results.

Engineered in the UK from heavy-duty PVD-coated steel, this specialized Master Case Back Opener is an essential instrument for professional watchmakers and serious collectors. It is precision-crafted to safely open, service, and seal a wide variety of historic timepieces, including vintage Omega Speedmasters, Seamasters, and Railmasters alongside iconic pieces like the Blancpain Fifty Fathoms, Breitling SuperOcean, and WW2 German military chronographs.

​The ingenious 3-component nested design functions as an all-in-one workspace solution:

​Base Opener: Tailored for historical military and pilot chronographs.

​Locking Die Component: Custom-molded to grip complex multi-notch case backs securely.

​Face-Down Protector: Allows you to safely secure delicate watches (such as the Speedmaster 321/861) face down, completely shielding the glass, bezel, pushers, and crowns from accidental slips and scratches.

​All three heavy-duty components nest seamlessly together to save workbench space while delivering unmatched durability that easily outperforms standard portable tools.

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