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Cartier - Cartier Platinum Santos Watch, Circa 1920s - The Keystone Watches

Cartier Platinum Santos Watch, Circa 1920s

Cartier Platinum Santos Watch, Circa 1920s

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Rolex - Rolex Yellow Gold Cosmograph Daytona Zenith Sapphire Diamond Watch Ref. 16588 - The Keystone Watches

Rolex Yellow Gold Cosmograph Daytona Zenith Sapphire Diamond Watch Ref. 16588

Rolex Yellow Gold Cosmograph Daytona Zenith Sapphire Diamond Watch Ref. 16588

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Piaget - Piaget White Gold Onyx Bracelet Watch - The Keystone Watches

Piaget White Gold Onyx Bracelet Watch

Piaget White Gold Onyx Bracelet Watch

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Piaget - Piaget White Gold Lapis Link Bracelet Watch - The Keystone Watches

Piaget White Gold Lapis Link Bracelet Watch

Piaget White Gold Lapis Link Bracelet Watch

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Rolex - Rolex Yellow Gold Cosmograph Big Eye Watch Ref. 6265 - The Keystone Watches

Rolex Yellow Gold Cosmograph Big Eye Watch Ref. 6265

Rolex Yellow Gold Cosmograph Big Eye Watch Ref. 6265

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Rolex - Rolex Platinum Day-Date Diamond Watch Ref. 18346 - The Keystone Watches

Rolex Platinum Day-Date Diamond Watch Ref. 18346

Rolex Platinum Day-Date Diamond Watch Ref. 18346

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Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5066 - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5066

Patek Philippe Aquanaut Automatic Watch Ref. 5066

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Rolex - Rolex White Gold Day-Date Watch Ref. 1803 - The Keystone Watches

Rolex White Gold Day-Date Watch Ref. 1803

Rolex White Gold Day-Date Watch Ref. 1803

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Rolex - Rolex White Gold Cosmograph Daytona Mother of Pearl Zenith Watch Ref. 16519 - The Keystone Watches

Rolex White Gold Cosmograph Daytona Mother of Pearl Zenith Watch Ref. 16519

Rolex White Gold Cosmograph Daytona Mother of Pearl Zenith Watch Ref. 16519

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Jaeger LeCoultre - Jaeger LeCoultre Rose Gold Grand Reverso Ultra Thin 1931 Watch - The Keystone Watches

Jaeger LeCoultre Rose Gold Grand Reverso Ultra Thin 1931 Watch

Jaeger LeCoultre Rose Gold Grand Reverso Ultra Thin 1931 Watch

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Rolex - Rolex Yellow Gold Day-Date Pyramid Dial Watch, Ref. 118208 - The Keystone Watches

Rolex Yellow Gold Day-Date Pyramid Dial Watch, Ref. 118208

Rolex Yellow Gold Day-Date Pyramid Dial Watch, Ref. 118208

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Patek Philippe - Patek Philippe Yellow Gold Aquanaut Watch Ref. 5066 - The Keystone Watches

Patek Philippe Yellow Gold Aquanaut Watch Ref. 5066

Patek Philippe Yellow Gold Aquanaut Watch Ref. 5066

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Cartier - Cartier Yellow Gold Tank Jumbo Automatic Watch - The Keystone Watches

Cartier Yellow Gold Tank Jumbo Automatic Watch

Cartier Yellow Gold Tank Jumbo Automatic Watch

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 5196 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 5196

Patek Philippe Yellow Gold Calatrava Watch Ref. 5196

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Audemars Piguet - Audemars Piguet Royal Oak Tourbillon Ref. 26512, Special Edition - The Keystone Watches

Audemars Piguet Royal Oak Tourbillon Ref. 26512, Special Edition

Audemars Piguet Royal Oak Tourbillon Ref. 26512, Special Edition

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Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5167 - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5167

Patek Philippe Aquanaut Automatic Watch Ref. 5167

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Omega - Omega Speedmaster HODINKEE 10th Anniversary | Limited Edition Of 500 Pieces - The Keystone Watches

Omega Speedmaster HODINKEE 10th Anniversary | Limited Edition Of 500 Pieces

Omega Speedmaster HODINKEE 10th Anniversary | Limited Edition Of 500 Pieces

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Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5170 - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5170

Patek Philippe Platinum Chronograph Watch Ref. 5170

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Cartier - Cartier Platinum Tank Cintree Medium Watch, 1920s - The Keystone Watches

Cartier Platinum Tank Cintree Medium Watch, 1920s

Cartier Platinum Tank Cintree Medium Watch, 1920s

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Rolex - Rolex Platinum Day-Date Diamond Watch Ref. 18206 - The Keystone Watches

Rolex Platinum Day-Date Diamond Watch Ref. 18206

Rolex Platinum Day-Date Diamond Watch Ref. 18206

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Cartier - Cartier Platinum Asymmetrical Tank Watch, Piece Unique - The Keystone Watches

Cartier Platinum Asymmetrical Tank Watch, Piece Unique

Cartier Platinum Asymmetrical Tank Watch, Piece Unique

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Vacheron Constantin - Vacheron Constantin Yellow Gold Batman Royal Chronometer Watch - The Keystone Watches

Vacheron Constantin Yellow Gold Batman Royal Chronometer Watch

Vacheron Constantin Yellow Gold Batman Royal Chronometer Watch

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New Arrivals Preview
 
Cartier Yellow Gold Baignoire XL (New Arrival)

Cartier Yellow Gold Baignoire XL (New Arrival)

Cartier Yellow Gold Baignoire XL (New Arrival)

Sold Out

 
Cartier Yellow Gold Pave Diamond Cover Watch (New Arrival)

Cartier Yellow Gold Pave Diamond Cover Watch (New Arrival)

Cartier Yellow Gold Pave Diamond Cover Watch (New Arrival)

$55,000 USD
 
Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

$14,000 USD
 
Rolex Yellow Gold Precision Buckle Bracelet Watch (New Arrival)

Rolex Yellow Gold Precision Buckle Bracelet Watch (New Arrival)

Rolex Yellow Gold Precision Buckle Bracelet Watch (New Arrival)

$19,500 USD
 
Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

$19,800 USD
 
Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

$16,000 USD
 
Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

$75,000 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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