quattro[Moderator]
20840
A two-tone dial 3971
Patek Philippe ref. 3971J, first Series with two tone dial (and transparent snapback).
From the collection of
Andrea Parmegiani.
Very nice, isn't it?
Best, Emmanuel
credit: Andrea Parmegiani aka @_1_5_1_8_

Manufacture
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Reference Guide
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Reference Guide
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Complications
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Reference Guide
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