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Patek Philippe Platinum Perpetual Calendar Chrono Diamond Watch Ref. 5971, Single Sealed


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Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270, in Unworn Condition


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Patek Philippe White Gold Celestial Watch Ref. 5102, Unworn


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Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5074, Unworn Condition


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Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074, Complete and Unworn


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Patek Philippe Rose Gold Chronograph Watch Ref. 5070, Completely Unworn


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Patek Philippe Rose Gold Grand Complication Watch Ref. 5207, Unworn & Double Sealed


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Patek Philippe Platinum Grand Complication Watch Ref. 5207, Unworn & Double Sealed


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Rolex Rose Gold Daytona Rainbow Watch Ref. 116595 in Unworn Condition


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Patek Philippe White Gold Annual Calendar Tiffany & Co. Watch Ref. 5396, Singled Sealed


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Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970 Unworn and in Original Seal


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Patek Philippe Rose Gold Split Seconds Perpetual Calendar Chrono Ref. 5204 in Unworn Condition


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Rolex Submariner Anniversary Watch Ref. 16610, in Unworn Condition


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Rolex Yellow Gold GMT-Master II Sapphire Ruby Watch Ref. 116748 in Unworn Condition


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Patek Philippe Nautilus Moonphase Watch Ref. 5726 in Double Sealed and Unworn Condition


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Patek Philippe Platinum Chronograph 175th Anniversary Watch Ref. 5975 in Double Sealed Condition


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Patek Philippe Platinum Monopusher Split Seconds Chrono Ref. 5959, Double Sealed and Unworn


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Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204 in Double Sealed and Unworn Condition


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Patek Philippe White Gold Gondolo 8-Days Power Reserve Watch Ref. 5200 in Like-New Condition


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Patek Philippe Calatrava Handicraft New York Jazz Edition Watch Ref. 5089 in Unworn Condition

$110,000.00

Patek Philippe Rose Gold Split Seconds Perpetual Calendar Chrono Ref. 5204 in Unworn Condition


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Patek Philippe Platinum Handcrafts Cloisonne Peacock Watch, Ref. 5077 Unworn and Double Sealed

$128,000.00

Unworn Patek Philippe Platinum Chronograph Ref. 5070 in Original Plastic Seal


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Guarantee

Our watches go through a rigorous authentication process in which seasoned experts examine and evaluate the watches. These experts have decades of experience and have authenticated thousands of watches in their lifetime. We guarantee every piece of the watches we offer are 100% authentic. 

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CONTACT US

You can reach us by emailing hello@thekeystone.com or call 213-632-9061

We are based in Beverly Hills, CA. Please contact us for appointments to view a watch in person. 

We are not authorized sellers of the brands listed on our site. We sell vintage and pre-owned product.

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