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Rolex - Rolex Yellow Gold Cosmograph Daytona Green Watch Ref. 116508 - The Keystone Watches

Rolex Yellow Gold Cosmograph Daytona Green Watch Ref. 116508

Rolex Yellow Gold Cosmograph Daytona Green Watch Ref. 116508

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Rolex - Rolex White Gold Cosmograph Daytona Sodalite Diamond Watch Ref. 116509 - The Keystone Watches

Rolex White Gold Cosmograph Daytona Sodalite Diamond Watch Ref. 116509

Rolex White Gold Cosmograph Daytona Sodalite Diamond Watch Ref. 116509

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Jaeger LeCoultre - Jaeger Lecoultre Reverso Travel Time Tigers Eye Watch Ref. 215.8.D4 - The Keystone Watches

Jaeger Lecoultre Reverso Travel Time Tigers Eye Watch Ref. 215.8.D4

Jaeger Lecoultre Reverso Travel Time Tigers Eye Watch Ref. 215.8.D4

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Patek Philippe - Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960 - The Keystone Watches

Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960

Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960

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Patek Philippe - Patek Philippe White Gold Nautilus Moonphase Watch Ref. 5712 - The Keystone Watches

Patek Philippe White Gold Nautilus Moonphase Watch Ref. 5712

Patek Philippe White Gold Nautilus Moonphase Watch Ref. 5712

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Patek Philippe - Patek Philippe White Gold Travel Time Watch Ref. 5110 with Original Box and Papers - The Keystone Watches

Patek Philippe White Gold Travel Time Watch Ref. 5110 with Original Box and Papers

Patek Philippe White Gold Travel Time Watch Ref. 5110 with Original Box and Papers

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Patek Philippe - Patek Philippe Nautilus Moonphase Watch Ref. 5726 in Double Sealed and Unworn Condition - The Keystone Watches

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

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

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Patek Philippe - Patek Philippe Platinum Chronograph 175th Anniversary Watch Ref. 5975 in Double Sealed Condition - The Keystone Watches

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

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

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Patek Philippe - Patek Philippe Platinum Monopusher Split Seconds Chrono Ref. 5959, Double Sealed and Unworn - The Keystone Watches

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

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

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

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

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

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A. Lange & Sohne - A. Lange & Sohne White Gold Saxonia Dual Time Watch Ref. 385.026 - The Keystone Watches

A. Lange & Sohne White Gold Saxonia Dual Time Watch Ref. 385.026

A. Lange & Sohne White Gold Saxonia Dual Time Watch Ref. 385.026

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Rolex - Rolex Submariner Green Ceramic Watch Ref. 116610LV with Original Box and Warranty Card - The Keystone Watches

Rolex Submariner Green Ceramic Watch Ref. 116610LV with Original Box and Warranty Card

Rolex Submariner Green Ceramic Watch Ref. 116610LV with Original Box and Warranty Card

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Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5070 - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5070

Patek Philippe Platinum Chronograph Watch Ref. 5070

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FP Journe - F.P. Journe Platinum Chronometre Souverain Watch - The Keystone Watches

F.P. Journe Platinum Chronometre Souverain Watch

F.P. Journe Platinum Chronometre Souverain Watch

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Rolex - Rolex Cosmograph Daytona Diamond & Sapphire Watch Ref. 116599 - The Keystone Watches

Rolex Cosmograph Daytona Diamond & Sapphire Watch Ref. 116599

Rolex Cosmograph Daytona Diamond & Sapphire Watch Ref. 116599

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chrono Baguette Diamond Watch Ref. 5971 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chrono Baguette Diamond Watch Ref. 5971

Patek Philippe Platinum Perpetual Calendar Chrono Baguette Diamond Watch Ref. 5971

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Chronograph Watch Ref. 5970 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe Rose Gold Perpetual Calendar Chronograph Watch Ref. 5970

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Patek Philippe - Patek Philippe White Gold Calatrava Automatic Watch Ref. 6006 - The Keystone Watches

Patek Philippe White Gold Calatrava Automatic Watch Ref. 6006

Patek Philippe White Gold Calatrava Automatic Watch Ref. 6006

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Vacheron Constantin - Vacheron Constantin White Gold Les Historiques 1912 Watch - The Keystone Watches

Vacheron Constantin White Gold Les Historiques 1912 Watch

Vacheron Constantin White Gold Les Historiques 1912 Watch

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Rolex - Rolex Yellow Gold GMT-Master II Watch Ref. 116748 - The Keystone Watches

Rolex Yellow Gold GMT-Master II Watch Ref. 116748

Rolex Yellow Gold GMT-Master II Watch Ref. 116748

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Rolex - Rolex Rose Gold Day-Date Everose Ferrite Diamond Watch Ref. 118235 - The Keystone Watches

Rolex Rose Gold Day-Date Everose Ferrite Diamond Watch Ref. 118235

Rolex Rose Gold Day-Date Everose Ferrite Diamond Watch Ref. 118235

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Patek Philippe - Patek Philippe Yellow Gold Celestial Ref. 5102 with Original Box and Papers - The Keystone Watches

Patek Philippe Yellow Gold Celestial Ref. 5102 with Original Box and Papers

Patek Philippe Yellow Gold Celestial Ref. 5102 with Original Box and Papers

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New Arrivals Preview
 
Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

$38,000 USD
 
Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

$30,000 USD
 
Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

$60,000 USD
 
Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

$58,000 USD
 
Audemars Piguet - Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival) - The Keystone Watches

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

$18,000 USD
 
Cartier Yellow Gold Tank Normale Bracelet Watch  Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

$36,000 USD
 
Cartier - Cartier Yellow Gold Tank Reverso (New Arrival) - The Keystone Watches

Cartier Yellow Gold Tank Reverso (New Arrival)

Cartier Yellow Gold Tank Reverso (New Arrival)

$34,500 USD
Shop all New Arrivals Preview

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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. 

CONTACT US

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

We are based in West Hollywood, 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.

Stay in touch.

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