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Patek Philippe - Patek Philippe Yellow Gold Automatic Calatrava Watch Ref. 3439 - The Keystone Watches

Patek Philippe Yellow Gold Automatic Calatrava Watch Ref. 3439

Patek Philippe Yellow Gold Automatic Calatrava Watch Ref. 3439

Sold Out

 
Rolex - Rolex Rose Gold Cosmograph Daytona Ref. 116515 - The Keystone Watches

Rolex Rose Gold Cosmograph Daytona Ref. 116515

Rolex Rose Gold Cosmograph Daytona Ref. 116515

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

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Rolex - Rolex Yellow Gold Day-Date Lapis Lazuli Watch Ref. 18038 - The Keystone Watches

Rolex Yellow Gold Day-Date Lapis Lazuli Watch Ref. 18038

Rolex Yellow Gold Day-Date Lapis Lazuli Watch Ref. 18038

Sold Out

 
Patek Philippe - Patek Philippe Steel Automatic Watch Ref. 3580 - The Keystone Watches

Patek Philippe Steel Automatic Watch Ref. 3580

Patek Philippe Steel Automatic Watch Ref. 3580

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Vacheron Constantin - Vacheron Constantin Stainless Steel Strap Watch - The Keystone Watches

Vacheron Constantin Stainless Steel Strap Watch

Vacheron Constantin Stainless Steel Strap Watch

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Patek Philippe - Patek Philippe Yellow Gold Calatrava 3445 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava 3445

Patek Philippe Yellow Gold Calatrava 3445

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Rolex - Rolex Yellow Gold Cosmograph Daytona Watch Ref. 16528 - The Keystone Watches

Rolex Yellow Gold Cosmograph Daytona Watch Ref. 16528

Rolex Yellow Gold Cosmograph Daytona Watch Ref. 16528

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Cartier - Cartier Yellow Gold Bamboo Coussin Watch - The Keystone Watches

Cartier Yellow Gold Bamboo Coussin Watch

Cartier Yellow Gold Bamboo Coussin Watch

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Rolex - Rolex Cosmograph Daytona Zenith Watch Ref. 16520 - The Keystone Watches

Rolex Cosmograph Daytona Zenith Watch Ref. 16520

Rolex Cosmograph Daytona Zenith Watch Ref. 16520

Sold Out

 
Rolex - Rolex Cosmograph Daytona Zenith Watch Ref. 16520 - The Keystone Watches

Rolex Cosmograph Daytona Zenith Watch Ref. 16520

Rolex Cosmograph Daytona Zenith Watch Ref. 16520

Sold Out

 
Rolex - Rolex Yellow Gold Daytona Zenith Watch Ref. 16518 - The Keystone Watches

Rolex Yellow Gold Daytona Zenith Watch Ref. 16518

Rolex Yellow Gold Daytona Zenith Watch Ref. 16518

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Gondolo Watch Ref. 5030J - The Keystone Watches

Patek Philippe Yellow Gold Gondolo Watch Ref. 5030J

Patek Philippe Yellow Gold Gondolo Watch Ref. 5030J

Sold Out

 
Rolex - Rolex Cosmograph Big Red Daytona, Ref. 6263 - The Keystone Watches

Rolex Cosmograph Big Red Daytona, Ref. 6263

Rolex Cosmograph Big Red Daytona, Ref. 6263

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Diamond Watch - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Diamond Watch

Audemars Piguet Yellow Gold Royal Oak Diamond Watch

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Patek Philippe - Patek Philippe Nautilus Diamond Watch Ref. 3800 - The Keystone Watches

Patek Philippe Nautilus Diamond Watch Ref. 3800

Patek Philippe Nautilus Diamond Watch Ref. 3800

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 3919 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 3919

Patek Philippe White Gold Calatrava Watch Ref. 3919

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Patek Philippe - Patek Philippe Yellow Gold Ellipse Watch Ref. 3546 - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Watch Ref. 3546

Patek Philippe Yellow Gold Ellipse Watch Ref. 3546

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Rolex - Rolex Oyster Perpetual Black Gilt Dial Watch Ref. 1002 - The Keystone Watches

Rolex Oyster Perpetual Black Gilt Dial Watch Ref. 1002

Rolex Oyster Perpetual Black Gilt Dial Watch Ref. 1002

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 3796 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 3796

Patek Philippe Yellow Gold Calatrava Watch Ref. 3796

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Rolex - Rolex Yellow Gold Date Watch Ref. 1500 with Original Warranty Paper - The Keystone Watches

Rolex Yellow Gold Date Watch Ref. 1500 with Original Warranty Paper

Rolex Yellow Gold Date Watch Ref. 1500 with Original Warranty Paper

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Rolex - Rolex Yellow Gold Day-Date Diamond & Emerald Watch Ref. 18388 - The Keystone Watches

Rolex Yellow Gold Day-Date Diamond & Emerald Watch Ref. 18388

Rolex Yellow Gold Day-Date Diamond & Emerald Watch Ref. 18388

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Rolex - Rolex Yellow Gold Submariner Watch Ref 16618 with Original Tropical Purple Dial - The Keystone Watches

Rolex Yellow Gold Submariner Watch Ref 16618 with Original Tropical Purple Dial

Rolex Yellow Gold Submariner Watch Ref 16618 with Original Tropical Purple Dial

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

Audemars Piguet Yellow Gold Perpetual Calendar Watch

Audemars Piguet Yellow Gold Perpetual Calendar Watch

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Rolex - Rolex Yellow Gold Day-Date Pave Diamond & Ruby Watch Ref. 18388 - The Keystone Watches

Rolex Yellow Gold Day-Date Pave Diamond & Ruby Watch Ref. 18388

Rolex Yellow Gold Day-Date Pave Diamond & Ruby Watch Ref. 18388

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Rolex - Rolex Submariner Flat IV Watch Ref. 16610 with Original Box and Papers - The Keystone Watches

Rolex Submariner Flat IV Watch Ref. 16610 with Original Box and Papers

Rolex Submariner Flat IV Watch Ref. 16610 with Original Box and Papers

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Patek Philippe - Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146 - The Keystone Watches

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146

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Patek Philippe - Patek Philippe Aquanaut Jumbo Watch Ref. 5065 with Original Box and Paper - The Keystone Watches

Patek Philippe Aquanaut Jumbo Watch Ref. 5065 with Original Box and Paper

Patek Philippe Aquanaut Jumbo Watch Ref. 5065 with Original Box and Paper

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Rolex - Rolex Day-Date Yellow Gold with Pave Dial Ref. 18238 - The Keystone Watches

Rolex Day-Date Yellow Gold with Pave Dial Ref. 18238

Rolex Day-Date Yellow Gold with Pave Dial Ref. 18238

Sold Out

 
Jaeger LeCoultre - Jaeger LeCoultre Rose Gold Reverso Day-Night Watch Ref. 270.2.54 - The Keystone Watches

Jaeger LeCoultre Rose Gold Reverso Day-Night Watch Ref. 270.2.54

Jaeger LeCoultre Rose Gold Reverso Day-Night Watch Ref. 270.2.54

Sold Out

 
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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Audemars Piguet - Audemars Piguet White Gold Millenary Pianoforte Diamond Watch Ref. 15326 - The Keystone Watches

Audemars Piguet White Gold Millenary Pianoforte Diamond Watch Ref. 15326

Audemars Piguet White Gold Millenary Pianoforte Diamond Watch Ref. 15326

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Audemars Piguet - Audemars Piguet White Gold Oversized Skeleton Sapphire & Diamond Watch - The Keystone Watches

Audemars Piguet White Gold Oversized Skeleton Sapphire & Diamond Watch

Audemars Piguet White Gold Oversized Skeleton Sapphire & Diamond Watch

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Omega - Omega Yellow Gold Speedmaster Watch, ref. 3551.20 - The Keystone Watches

Omega Yellow Gold Speedmaster Watch, ref. 3551.20

Omega Yellow Gold Speedmaster Watch, ref. 3551.20

Sold Out

 
Patek Philippe - Patek Philippe White Gold Diamond & Sapphire Watch Ref. 3319 - The Keystone Watches

Patek Philippe White Gold Diamond & Sapphire Watch Ref. 3319

Patek Philippe White Gold Diamond & Sapphire Watch Ref. 3319

Sold Out

 
Audemars Piguet - Audemars Piguet White Gold Slim Strap Watch - The Keystone Watches

Audemars Piguet White Gold Slim Strap Watch

Audemars Piguet White Gold Slim Strap Watch

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New Arrivals Preview
 
Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

$23,750 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL) - The Keystone Watches

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

$155,000 USD
 
Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

$14,500 USD
 
Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

$13,250 USD
 
Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

$16,500 USD
 

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

$17,750 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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