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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Ultra-Thin Watch Ref. 15202 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Ultra-Thin Watch Ref. 15202

Audemars Piguet Rose Gold Royal Oak Ultra-Thin Watch Ref. 15202

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Cartier - Cartier White Gold Rotonde de Cartier Flying Tourbillon Watch - The Keystone Watches

Cartier White Gold Rotonde de Cartier Flying Tourbillon Watch

Cartier White Gold Rotonde de Cartier Flying Tourbillon Watch

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Patek Philippe - Patek Philippe Platinum Annual Calendar Power Reserve Watch Ref. 5056 - The Keystone Watches

Patek Philippe Platinum Annual Calendar Power Reserve Watch Ref. 5056

Patek Philippe Platinum Annual Calendar Power Reserve Watch Ref. 5056

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Ressence - Ressence Type 3 Automatic Watch - The Keystone Watches

Ressence Type 3 Automatic Watch

Ressence Type 3 Automatic Watch

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Chronograph Watch Ref. 5970 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe Rose Gold Perpetual Calendar Chronograph Watch Ref. 5970

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Audemars Piguet - Audemars Piguet White Gold Royal Oak Rainbow Watch - The Keystone Watches

Audemars Piguet White Gold Royal Oak Rainbow Watch

Audemars Piguet White Gold Royal Oak Rainbow Watch

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Rainbow Watch - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Rainbow Watch

Audemars Piguet Rose Gold Royal Oak Rainbow Watch

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Audemars Piguet - Audemars Piguet Rose Gold Automatic Royal Oak Ref. 15450 - The Keystone Watches

Audemars Piguet Rose Gold Automatic Royal Oak Ref. 15450

Audemars Piguet Rose Gold Automatic Royal Oak Ref. 15450

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Rolex - Rolex Platinum and Diamond Daytona Cosmograph Watch Ref. 116576 - The Keystone Watches

Rolex Platinum and Diamond Daytona Cosmograph Watch Ref. 116576

Rolex Platinum and Diamond Daytona Cosmograph Watch Ref. 116576

Sold Out

 
FP Journe - F.P. Journe Repetition Souveraine Minute Repeater Watch - The Keystone Watches

F.P. Journe Repetition Souveraine Minute Repeater Watch

F.P. Journe Repetition Souveraine Minute Repeater Watch

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Rolex - Rolex GMT-Master II Pepsi Watch Ref. 16710 with Original Paper - The Keystone Watches

Rolex GMT-Master II Pepsi Watch Ref. 16710 with Original Paper

Rolex GMT-Master II Pepsi Watch Ref. 16710 with Original Paper

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A. Lange & Sohne - A. Lange & Sohne Saxonia Annual Calendar Watch, Ref. 330.026 - The Keystone Watches

A. Lange & Sohne Saxonia Annual Calendar Watch, Ref. 330.026

A. Lange & Sohne Saxonia Annual Calendar Watch, Ref. 330.026

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Automatic Watch Ref. 15500 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Automatic Watch Ref. 15500

Audemars Piguet Rose Gold Royal Oak Automatic Watch Ref. 15500

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Audemars Piguet - Audemars Piguet Platinum Royal Oak Offshore Tourbillon Watch Ref. 26388 - The Keystone Watches

Audemars Piguet Platinum Royal Oak Offshore Tourbillon Watch Ref. 26388

Audemars Piguet Platinum Royal Oak Offshore Tourbillon Watch Ref. 26388

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5970 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5970

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Patek Philippe - Patek Philippe White Gold World Time Watch Ref. 5130, Shanghai Edition - The Keystone Watches

Patek Philippe White Gold World Time Watch Ref. 5130, Shanghai Edition

Patek Philippe White Gold World Time Watch Ref. 5130, Shanghai Edition

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Patek Philippe - Patek Philippe Platinum Minute Repeater Watch Ref. 5078 - The Keystone Watches

Patek Philippe Platinum Minute Repeater Watch Ref. 5078

Patek Philippe Platinum Minute Repeater Watch Ref. 5078

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Patek Philippe - Patek Philippe Platinum Split-Seconds Chronograph Watch Ref. 5370 - The Keystone Watches

Patek Philippe Platinum Split-Seconds Chronograph Watch Ref. 5370

Patek Philippe Platinum Split-Seconds Chronograph Watch Ref. 5370

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 5140 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 5140

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 5140

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Rolex - Rolex White Gold Daytona Sodalite Diamond Watch Ref. 116519 - The Keystone Watches

Rolex White Gold Daytona Sodalite Diamond Watch Ref. 116519

Rolex White Gold Daytona Sodalite Diamond Watch Ref. 116519

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Rolex - Rolex Yellow Gold Day-Date Mother of Pearl Ruby Watch Ref. 118238 - The Keystone Watches

Rolex Yellow Gold Day-Date Mother of Pearl Ruby Watch Ref. 118238

Rolex Yellow Gold Day-Date Mother of Pearl Ruby Watch Ref. 118238

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chrono Baguette Diamond Watch Ref. 5971 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chrono Baguette Diamond Watch Ref. 5971

Patek Philippe Platinum Perpetual Calendar Chrono Baguette Diamond Watch Ref. 5971

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Rolex - Rolex Yellow Gold Daytona La Montoya Artisans de Geneve Watch - The Keystone Watches

Rolex Yellow Gold Daytona La Montoya Artisans de Geneve Watch

Rolex Yellow Gold Daytona La Montoya Artisans de Geneve Watch

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Automatic Extra-Thin Watch - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Automatic Extra-Thin Watch

Audemars Piguet Rose Gold Royal Oak Automatic Extra-Thin Watch

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chrono Ruby Watch Ref. 5271 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chrono Ruby Watch Ref. 5271

Patek Philippe Platinum Perpetual Calendar Chrono Ruby Watch Ref. 5271

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chrono Sapphire Watch Ref. 5271 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chrono Sapphire Watch Ref. 5271

Patek Philippe Platinum Perpetual Calendar Chrono Sapphire Watch Ref. 5271

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Audemars Piguet - Audemars Piguet Black Ceramic Royal Oak Perpetual Calendar Watch - The Keystone Watches

Audemars Piguet Black Ceramic Royal Oak Perpetual Calendar Watch

Audemars Piguet Black Ceramic Royal Oak Perpetual Calendar Watch

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Cartier White Gold Tortue Minute Repeater Watch

Cartier White Gold Tortue Minute Repeater Watch

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Patek Philippe - Patek Philippe White Gold Nautilus Moonphase Watch Ref. 5712 - The Keystone Watches

Patek Philippe White Gold Nautilus Moonphase Watch Ref. 5712

Patek Philippe White Gold Nautilus Moonphase Watch Ref. 5712

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Patek Philippe - Patek Philippe Yellow Gold World Time Watch Ref. 5110, with Original Box and Papers - The Keystone Watches

Patek Philippe Yellow Gold World Time Watch Ref. 5110, with Original Box and Papers

Patek Philippe Yellow Gold World Time Watch Ref. 5110, with Original Box and Papers

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Rolex - Rolex Yellow Gold Day-Date II Baguette Diamond Watch Ref. 218398 - The Keystone Watches

Rolex Yellow Gold Day-Date II Baguette Diamond Watch Ref. 218398

Rolex Yellow Gold Day-Date II Baguette Diamond Watch Ref. 218398

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne White Gold Langematik Perpetual Watch Ref. 310.026 - The Keystone Watches

A. Lange & Sohne White Gold Langematik Perpetual Watch Ref. 310.026

A. Lange & Sohne White Gold Langematik Perpetual Watch Ref. 310.026

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne Platinum Cabaret Tourbillon Watch - The Keystone Watches

A. Lange & Sohne Platinum Cabaret Tourbillon Watch

A. Lange & Sohne Platinum Cabaret Tourbillon Watch

Sold Out

 
Patek Philippe - Patek Philippe White Gold Annual Calendar Chronograph Watch Ref. 5960 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Chronograph Watch Ref. 5960

Patek Philippe White Gold Annual Calendar Chronograph Watch Ref. 5960

Sold Out

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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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