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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

Sold Out

 
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)

Sold Out

 

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

Sold Out

 

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

Sold Out

 
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)

Sold Out

 
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

Sold Out

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

Rolex Steel Daytona Ref. 116520

Rolex Steel Daytona Ref. 116520

Sold Out

 
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.

Sold Out

 

Audemars Piguet Steel Royal Oak Midsize Ref 56303 in Outstanding Condition

Audemars Piguet Steel Royal Oak Midsize Ref 56303 in Outstanding Condition

Sold Out

 
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

Sold Out

 
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

Sold Out

 

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

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

Sold Out

 
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

Sold Out

 
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)

Sold Out

 
Rolex - Rolex Yellow Gold Cosmograph Daytona Watch Ref. 6265 with Original Box and Papers - The Keystone Watches

Rolex Yellow Gold Cosmograph Daytona Watch Ref. 6265 with Original Box and Papers

Rolex Yellow Gold Cosmograph Daytona Watch Ref. 6265 with Original Box and Papers

Sold Out

 

Audemars Piguet Yellow Gold Bracelet Watch

Audemars Piguet Yellow Gold Bracelet Watch

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Cartier - Cartier Yellow Gold Diamond and Tourmaline Vintage Watch - The Keystone Watches

Cartier Yellow Gold Diamond and Tourmaline Vintage Watch

Cartier Yellow Gold Diamond and Tourmaline Vintage Watch

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Cartier - Cartier Yellow Gold Tank Obus, European Watch & Clock, Late 1940s - The Keystone Watches

Cartier Yellow Gold Tank Obus, European Watch & Clock, Late 1940s

Cartier Yellow Gold Tank Obus, European Watch & Clock, Late 1940s

Sold Out

 

Piaget Yellow Gold Polo Ref. 8273 with Box & Papers

Piaget Yellow Gold Polo Ref. 8273 with Box & Papers

Sold Out

 
Piaget - Piaget Yellow Gold Pave TV Shaped Warhol Case Ref. 95121 (New Arrival) - The Keystone Watches

Piaget Yellow Gold Pave TV Shaped Warhol Case Ref. 95121 (New Arrival)

Piaget Yellow Gold Pave TV Shaped Warhol Case Ref. 95121 (New Arrival)

Sold Out

 
Audemars Piguet - Audemars Piguet White Gold Automatic Bracelet Watch Ref. 15135 - The Keystone Watches

Audemars Piguet White Gold Automatic Bracelet Watch Ref. 15135

Audemars Piguet White Gold Automatic Bracelet Watch Ref. 15135

Sold Out

 
Cartier - Carter White Gold Baignoire Allongee with Diamond and Sapphire Pave Dial Ref. 2514 - The Keystone Watches

Carter White Gold Baignoire Allongee with Diamond and Sapphire Pave Dial Ref. 2514

Carter White Gold Baignoire Allongee with Diamond and Sapphire Pave Dial Ref. 2514

Sold Out

 

Audemars Piguet Yellow Gold Royal Oak Ref. 56303 (New Arrival)

Audemars Piguet Yellow Gold Royal Oak Ref. 56303 (New Arrival)

Sold Out

 
Patek Philippe - Patek Philippe White Gold Annual Calendar Tiffany & Co Watch. Ref. 5396G-012 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Tiffany & Co Watch. Ref. 5396G-012

Patek Philippe White Gold Annual Calendar Tiffany & Co Watch. Ref. 5396G-012

Sold Out

 
Cartier Yellow Gold Collection Prive Baignoire Allongee from 1991

Cartier Yellow Gold Collection Prive Baignoire Allongee from 1991

Cartier Yellow Gold Collection Prive Baignoire Allongee from 1991

$73,000 USD
 
Audemars Piguet - Audemars Piguet White Gold Cobra Band Watch Ref. 56525 - The Keystone Watches

Audemars Piguet White Gold Cobra Band Watch Ref. 56525

Audemars Piguet White Gold Cobra Band Watch Ref. 56525

$15,500 USD
 
Piaget Yellow Gold Dancer Opal and Onyx Ref. 80317

Piaget Yellow Gold Dancer Opal and Onyx Ref. 80317

Piaget Yellow Gold Dancer Opal and Onyx Ref. 80317

Sold Out

 
Vacheron Constantin - Vacheron Constantin Yellow Gold Woven Band Watch - The Keystone Watches

Vacheron Constantin Yellow Gold Woven Band Watch

Vacheron Constantin Yellow Gold Woven Band Watch

Sold Out

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New Arrivals Preview
 
Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

$9,800 USD
 
Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

$8,750 USD
 
Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

$18,750 USD
 
Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

$23,500 USD
 
Boucheron - Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival) - The Keystone Watches

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

$9,500 USD
 
Rolex - Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival) - The Keystone Watches

Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival)

Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival)

$7,500 USD
 
Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

$15,500 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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