Not sure of the reference number, but it was in this exact Borgel case. I wasn't aware of this, but if there are different ref numbers for the same case, the caseback or the entire could be a service replacement parts instead of the dial. In any case, Phillips should notify their clients with this info (assuming that the book is correct). Service case or incorrect dial should effect value and more importantly, desirability.
Here is another one that I found off of google just now.
View attachment 223953
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