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Cartier - Cartier Yellow Gold Tank Obus Carree Watch Ref. 2380, CPCP Edition of 100 Pieces - The Keystone Watches

Cartier Yellow Gold Tank Obus Carree Watch Ref. 2380, CPCP Edition of 100 Pieces

Cartier Yellow Gold Tank Obus Carree Watch Ref. 2380, CPCP Edition of 100 Pieces

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5961R with Factory Diamonds - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5961R with Factory Diamonds

Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5961R with Factory Diamonds

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Cartier - Cartier Rose Gold Tank Ref. WGTA0011 - The Keystone Watches

Cartier Rose Gold Tank Ref. WGTA0011

Cartier Rose Gold Tank Ref. WGTA0011

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Rolex - Rolex Yellow Gold Day Date Ref. 18248 with Factory Bark Finish - The Keystone Watches

Rolex Yellow Gold Day Date Ref. 18248 with Factory Bark Finish

Rolex Yellow Gold Day Date Ref. 18248 with Factory Bark Finish

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Patek Philippe - Patek Philippe White Gold Calatrava Ref. 3601 - The Keystone Watches

Patek Philippe White Gold Calatrava Ref. 3601

Patek Philippe White Gold Calatrava Ref. 3601

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Rolex - Rolex Yellow Gold Daytona Ref. 116508 With Green Dial - The Keystone Watches

Rolex Yellow Gold Daytona Ref. 116508 With Green Dial

Rolex Yellow Gold Daytona Ref. 116508 With Green Dial

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Rolex White Gold Submariner Diamond Sapphire Watch Ref. 116659SABR

Rolex White Gold Submariner Diamond Sapphire Watch Ref. 116659SABR

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Audemars Piguet White Gold Automatic Watch Ref. 5384

Audemars Piguet White Gold Automatic Watch Ref. 5384

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Cartier - Cartier White Gold Baignoire Watch - The Keystone Watches

Cartier White Gold Baignoire Watch

Cartier White Gold Baignoire Watch

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Patek Philippe - Patek Philippe Yellow Gold Ref. 3604 Retailed by Gubelin - The Keystone Watches

Patek Philippe Yellow Gold Ref. 3604 Retailed by Gubelin

Patek Philippe Yellow Gold Ref. 3604 Retailed by Gubelin

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Rolex - Rolex Yellow Gold Day-Date Lapis Pinball Watch Ref. 18238 - The Keystone Watches

Rolex Yellow Gold Day-Date Lapis Pinball Watch Ref. 18238

Rolex Yellow Gold Day-Date Lapis Pinball Watch Ref. 18238

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Rolex Steel Date Ref. 1500 in New Old Stock Condition

Rolex Steel Date Ref. 1500 in New Old Stock Condition

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Audemars Piguet - Audemars Piguet Oversized White Gold Automatic Watch - The Keystone Watches

Audemars Piguet Oversized White Gold Automatic Watch

Audemars Piguet Oversized White Gold Automatic Watch

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Audemars Piguet - Audemars Piguet Yellow Gold Vintage Bracelet Watch - The Keystone Watches

Audemars Piguet Yellow Gold Vintage Bracelet Watch

Audemars Piguet Yellow Gold Vintage Bracelet Watch

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Vacheron Constantin - Vacheron Constantin White Gold Watch Ref. 33001 with Onyx Dial - The Keystone Watches

Vacheron Constantin White Gold Watch Ref. 33001 with Onyx Dial

Vacheron Constantin White Gold Watch Ref. 33001 with Onyx Dial

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Piaget - Piaget White Gold Lapis and Diamond Watch Ref. 9352D2 - The Keystone Watches

Piaget White Gold Lapis and Diamond Watch Ref. 9352D2

Piaget White Gold Lapis and Diamond Watch Ref. 9352D2

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Piaget - Piaget White Gold Onyx and Diamond Watch Ref. 9791A15 - The Keystone Watches

Piaget White Gold Onyx and Diamond Watch Ref. 9791A15

Piaget White Gold Onyx and Diamond Watch Ref. 9791A15

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Audemars Piguet - Audemars Piguet Yellow Gold Watch - The Keystone Watches

Audemars Piguet Yellow Gold Watch

Audemars Piguet Yellow Gold Watch

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Rolex Yellow Gold Zenith Daytona Ref. 16528 with Champagne Diamond Dial

Rolex Yellow Gold Zenith Daytona Ref. 16528 with Champagne Diamond Dial

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Vacheron Constantin - Vacheron Constantin Yellow Gold Day Date Moonphase Ref 47009 - The Keystone Watches

Vacheron Constantin Yellow Gold Day Date Moonphase Ref 47009

Vacheron Constantin Yellow Gold Day Date Moonphase Ref 47009

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Piaget - Piaget Yellow Gold Coral Diamond Watch - The Keystone Watches

Piaget Yellow Gold Coral Diamond Watch

Piaget Yellow Gold Coral Diamond Watch

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Piaget - Piaget White Gold Onyx Diamond Watch Ref. 9208D2 - The Keystone Watches

Piaget White Gold Onyx Diamond Watch Ref. 9208D2

Piaget White Gold Onyx Diamond Watch Ref. 9208D2

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New Arrivals Preview
 
Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

$125,000 USD
 
Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

$62,000 USD
 
Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

$55,000 USD
 
Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

$21,000 USD
 
Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

$175,000 USD
 
Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

$70,000 USD
 
Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

$48,000 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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