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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Split Seconds Chrono Ref. 5004 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Split Seconds Chrono Ref. 5004

Patek Philippe Platinum Perpetual Calendar Split Seconds Chrono Ref. 5004

Sold Out

 
Rolex - Rolex Platinum Day-Date Ref. 228396 with Diamond & Emeralds - The Keystone Watches

Rolex Platinum Day-Date Ref. 228396 with Diamond & Emeralds

Rolex Platinum Day-Date Ref. 228396 with Diamond & Emeralds

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Rolex - Rolex Platinum Day-Date Ref. 118206 - The Keystone Watches

Rolex Platinum Day-Date Ref. 118206

Rolex Platinum Day-Date Ref. 118206

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Rolex - Rolex Platinum Day-Date Pave Diamond Watch Ref. 118206 - The Keystone Watches

Rolex Platinum Day-Date Pave Diamond Watch Ref. 118206

Rolex Platinum Day-Date Pave Diamond Watch Ref. 118206

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FP Journe - F.P. Journe Platinum Octa UTC 38mm - The Keystone Watches

F.P. Journe Platinum Octa UTC 38mm

F.P. Journe Platinum Octa UTC 38mm

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Patek Philippe - Patek Philippe Platinum World Time Watch Ref. 5131 - The Keystone Watches

Patek Philippe Platinum World Time Watch Ref. 5131

Patek Philippe Platinum World Time Watch Ref. 5131

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Split Seconds Chrono Ref. 5004 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Split Seconds Chrono Ref. 5004

Patek Philippe Platinum Perpetual Calendar Split Seconds Chrono Ref. 5004

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne Platinum Darth Lange 1 Ref. 101.035 - The Keystone Watches

A. Lange & Sohne Platinum Darth Lange 1 Ref. 101.035

A. Lange & Sohne Platinum Darth Lange 1 Ref. 101.035

Sold Out

 
Rolex - Rolex Platinum and Diamond Day-Date Ref. 118346 - The Keystone Watches

Rolex Platinum and Diamond Day-Date Ref. 118346

Rolex Platinum and Diamond Day-Date Ref. 118346

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Patek Philippe - Patek Philippe Platinum Minute Repeater Tourbillon Watch Ref. 3939 - The Keystone Watches

Patek Philippe Platinum Minute Repeater Tourbillon Watch Ref. 3939

Patek Philippe Platinum Minute Repeater Tourbillon Watch Ref. 3939

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne Platinum Lange One for Sincere Singapore Ref. 112.049 - The Keystone Watches

A. Lange & Sohne Platinum Lange One for Sincere Singapore Ref. 112.049

A. Lange & Sohne Platinum Lange One for Sincere Singapore Ref. 112.049

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Cartier - Cartier Platinum and Diamond Tank Chinoise Ref. 2685 - The Keystone Watches

Cartier Platinum and Diamond Tank Chinoise Ref. 2685

Cartier Platinum and Diamond Tank Chinoise Ref. 2685

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Rolex - Rolex Day-Date Platinum Ice Blue Dial Ref. 118206 - The Keystone Watches

Rolex Day-Date Platinum Ice Blue Dial Ref. 118206

Rolex Day-Date Platinum Ice Blue Dial Ref. 118206

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

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 3970

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 3970

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Patek Philippe - Patek Philippe Platinum Calatrava Watch Ref. 5107 - The Keystone Watches

Patek Philippe Platinum Calatrava Watch Ref. 5107

Patek Philippe Platinum Calatrava Watch Ref. 5107

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Jaeger LeCoultre - Jaeger Lecoultre Platinum Reverso Number One Skeletonized Watch - The Keystone Watches

Jaeger Lecoultre Platinum Reverso Number One Skeletonized Watch

Jaeger Lecoultre Platinum Reverso Number One Skeletonized Watch

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Audemars Piguet - Audemars Piguet Platinum Jules Audemars Carillon Minute Repeater Watch - The Keystone Watches

Audemars Piguet Platinum Jules Audemars Carillon Minute Repeater Watch

Audemars Piguet Platinum Jules Audemars Carillon Minute Repeater Watch

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Patek Philippe - Patek Philippe Platinum Nautilus Watch Ref. 3800 with Original Warranty - The Keystone Watches

Patek Philippe Platinum Nautilus Watch Ref. 3800 with Original Warranty

Patek Philippe Platinum Nautilus Watch Ref. 3800 with Original Warranty

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Audemars Piguet - Audemars Piguet Platinum Royal Oak Ref. 15206, Limited Edition of 70 - The Keystone Watches

Audemars Piguet Platinum Royal Oak Ref. 15206, Limited Edition of 70

Audemars Piguet Platinum Royal Oak Ref. 15206, Limited Edition of 70

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Rolex - Rolex Platinum Day-Date Ref. 18346 with Diamond Bezel and Dial - The Keystone Watches

Rolex Platinum Day-Date Ref. 18346 with Diamond Bezel and Dial

Rolex Platinum Day-Date Ref. 18346 with Diamond Bezel and Dial

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Ref. 3940P with Original Warranty Paper - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Ref. 3940P with Original Warranty Paper

Patek Philippe Platinum Perpetual Calendar Ref. 3940P with Original Warranty Paper

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Patek Philippe - Patek Philippe Platinum Annual Calendar Chronograph Ref. 5961P - The Keystone Watches

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5961P

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5961P

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Rolex - Rolex Platinum Day-Date Ref 18046 with Diamond Bezel and Diamond Dial - The Keystone Watches

Rolex Platinum Day-Date Ref 18046 with Diamond Bezel and Diamond Dial

Rolex Platinum Day-Date Ref 18046 with Diamond Bezel and Diamond Dial

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Patek Philippe - Patek Philippe Platinum World Time Watch Ref. 5110 - The Keystone Watches

Patek Philippe Platinum World Time Watch Ref. 5110

Patek Philippe Platinum World Time Watch Ref. 5110

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Audemars Piguet Platinum Skeleton Quantieme Perpetual Calendar Watch Ref. 25668

Audemars Piguet Platinum Skeleton Quantieme Perpetual Calendar Watch Ref. 25668

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FP Journe - F.P Journe Platinum Tourbillon Remontoir dEgalite with Rose Gold Dial - The Keystone Watches

F.P Journe Platinum Tourbillon Remontoir dEgalite with Rose Gold Dial

F.P Journe Platinum Tourbillon Remontoir dEgalite with Rose Gold Dial

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Patek Philippe - Patek Philippe Rectangular Platinum & Baguette Diamond Watch Ref. 5007 - The Keystone Watches

Patek Philippe Rectangular Platinum & Baguette Diamond Watch Ref. 5007

Patek Philippe Rectangular Platinum & Baguette Diamond Watch Ref. 5007

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

Rolex Platinum Cosmograph Daytona Diamond Watch Ref. 116576

Rolex Platinum Cosmograph Daytona Diamond Watch Ref. 116576

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Audemars Piguet - Audemars Piguet Platinum Perpetual Skeleton Watch - The Keystone Watches

Audemars Piguet Platinum Perpetual Skeleton Watch

Audemars Piguet Platinum Perpetual Skeleton Watch

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Audemars Piguet - Audemars Piguet Jules Audemars Tourbillon Platinum - The Keystone Watches

Audemars Piguet Jules Audemars Tourbillon Platinum

Audemars Piguet Jules Audemars Tourbillon Platinum

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Patek Philippe - Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204 - The Keystone Watches

Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204

Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204

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

Patek Philippe Platinum Minute Repeater Black Dial Watch Ref. 5078

Patek Philippe Platinum Minute Repeater Black Dial Watch Ref. 5078

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Cartier - Cartier Platinum Diabolo Tourbillon Watch - The Keystone Watches

Cartier Platinum Diabolo Tourbillon Watch

Cartier Platinum Diabolo Tourbillon Watch

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Audemars Piguet - Audemars Piguet Platinum Tourbillon Salmon Dial Watch - The Keystone Watches

Audemars Piguet Platinum Tourbillon Salmon Dial Watch

Audemars Piguet Platinum Tourbillon Salmon Dial Watch

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5074, One of Only Two Known - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5074, One of Only Two Known

Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5074, One of Only Two Known

Sold Out

 
Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5070 - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5070

Patek Philippe Platinum Chronograph Watch Ref. 5070

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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
 

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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