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Replacement domed acrylic crstal


Hi All, looking for some help identifying the correct crystal type for a Tudor Advisor Alarm ref 7926 circa 1958. The watch has a retaining bezel over the crystal which is .5mm thick with an outer non stepped diameter of 29.4mm. Overall height is 3.7mm. Any help would be much appreciated.



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On 9/15/2019 at 2:34 PM, jdm said:

These are called top glasses.


They may need a slight sanding to fit. Download and check the catalog.

Found the correct inside diameter at 28.4 with an outside diameter of 29.7 and actually need 29.4. Any recommendations for reducing the size accurately while leaving a clean finish?

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