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Vintage Patek Philippe Ref.3970J 4th Series Perpetual Calendar Chronograph in Yellow Gold Fullset from 2000 - Now at 2Tone Vintage Watches Singapore.
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Pre-Owned Patek Philippe Grand Complication Perpetual Calendar Chronograph 3970J Luxury Watch Review - YouTube
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Patek Philippe 3970J Perpetual Calendar Chronograph 3970E 18k Yellow Gold (43345) | European Watch Co.
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Patek Philippe “Full-Set 3970J” Perpetual Calendar Chronograph - Menta Watches- Buy Vintage and Modern Timepieces
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