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Vacheron Constantin - Vacheron Constantin Platinum Skeleton Perpetual Watch Ref. 43033 - The Keystone Watches

Vacheron Constantin Platinum Skeleton Perpetual Watch Ref. 43033

Vacheron Constantin Platinum Skeleton Perpetual Watch Ref. 43033

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Vacheron Constantin - Vacheron Constantin Yellow Gold Pocket Watch with Original Box and Warranty - The Keystone Watches

Vacheron Constantin Yellow Gold Pocket Watch with Original Box and Warranty

Vacheron Constantin Yellow Gold Pocket Watch with Original Box and Warranty

$6,500 USD
 
Cartier - Cartier White Gold Lanieres Tank Allongee Watch Ref. 2544 with Sapphires - The Keystone Watches

Cartier White Gold Lanieres Tank Allongee Watch Ref. 2544 with Sapphires

Cartier White Gold Lanieres Tank Allongee Watch Ref. 2544 with Sapphires

Sold Out

 

Cartier Yellow Gold Gouvernail Helm Watch (New Arrival)

Cartier Yellow Gold Gouvernail Helm Watch (New Arrival)

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Patek White Gold Pocket Watch with Diamond Bezel (New Arrival)

Patek White Gold Pocket Watch with Diamond Bezel (New Arrival)

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Piaget Yellow Gold and Diamond Pocket Watch with Mother of Pearl and Diamond Dial

Piaget Yellow Gold and Diamond Pocket Watch with Mother of Pearl and Diamond Dial

Piaget Yellow Gold and Diamond Pocket Watch with Mother of Pearl and Diamond Dial

$13,500 USD
 
Patek Philippe - Patek Philippe White Gold World Time Enamel Watch Ref. 5231 - The Keystone Watches

Patek Philippe White Gold World Time Enamel Watch Ref. 5231

Patek Philippe White Gold World Time Enamel Watch Ref. 5231

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Cartier Yellow Gold Large Tank Cintree, Circa 1960s

Cartier Yellow Gold Large Tank Cintree, Circa 1960s

Cartier Yellow Gold Large Tank Cintree, Circa 1960s

$120,000 USD
 

Patek Philippe Yellow Gold Annual Calendar Ref. 5146

Patek Philippe Yellow Gold Annual Calendar Ref. 5146

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Audemars Piguet Yellow Gold Skeletonized Pocket Watch

Audemars Piguet Yellow Gold Skeletonized Pocket Watch

Audemars Piguet Yellow Gold Skeletonized Pocket Watch

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Rolex - Rolex Yellow Gold Day-Date Ref. 18148 with Sapphire and Diamond String Dial and Bezel (New Arrival) - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 18148 with Sapphire and Diamond String Dial and Bezel (New Arrival)

Rolex Yellow Gold Day-Date Ref. 18148 with Sapphire and Diamond String Dial and Bezel (New Arrival)

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Vacheron Constantin White Gold Bracelet Watch with Diamonds and Opal Dial

Vacheron Constantin White Gold Bracelet Watch with Diamonds and Opal Dial

Vacheron Constantin White Gold Bracelet Watch with Diamonds and Opal Dial

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Rolex - Rolex Steel Daytona Ref. 116520 - The Keystone Watches

Rolex Steel Daytona Ref. 116520

Rolex Steel Daytona Ref. 116520

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Rolex - Rolex Yellow Gold Day-Date Ref. 218398R with Baguette Diamonds - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 218398R with Baguette Diamonds

Rolex Yellow Gold Day-Date Ref. 218398R with Baguette Diamonds

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Rolex - Rolex Zenith Daytona Ref. 16520 retailed by Tiffany & Co. - The Keystone Watches

Rolex Zenith Daytona Ref. 16520 retailed by Tiffany & Co.

Rolex Zenith Daytona Ref. 16520 retailed by Tiffany & Co.

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Audemars Piguet Steel Royal Oak Midsize Ref 56303 in Outstanding Condition

Audemars Piguet Steel Royal Oak Midsize Ref 56303 in Outstanding Condition

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Rolex - Rolex Steel Daytona Ref. 6265 with Black Sigma Dial - The Keystone Watches

Rolex Steel Daytona Ref. 6265 with Black Sigma Dial

Rolex Steel Daytona Ref. 6265 with Black Sigma Dial

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Patek Philippe - Patek Philippe Platinum World Time Ref. 5130, Dubai Edition - The Keystone Watches

Patek Philippe Platinum World Time Ref. 5130, Dubai Edition

Patek Philippe Platinum World Time Ref. 5130, Dubai Edition

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Patek Philippe Yellow Gold Calatrava Ref. 5035 with Original Box and Papers

Patek Philippe Yellow Gold Calatrava Ref. 5035 with Original Box and Papers

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Patek Philippe - Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960 with Original Box and Papers - The Keystone Watches

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960 with Original Box and Papers

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960 with Original Box and Papers

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270G-013 with Original Box and Papers - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270G-013 with Original Box and Papers

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270G-013 with Original Box and Papers

Sold Out

 
Rolex - Rolex Steel Pepsi GMT-Master Ref. 1675 (New Arrival) - The Keystone Watches

Rolex Steel Pepsi GMT-Master Ref. 1675 (New Arrival)

Rolex Steel Pepsi GMT-Master Ref. 1675 (New Arrival)

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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.

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