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Piaget - Piaget Yellow Gold Ruby & Diamond Watch Ref. 98170 - The Keystone Watches

Piaget Yellow Gold Ruby & Diamond Watch Ref. 98170

Piaget Yellow Gold Ruby & Diamond Watch Ref. 98170

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Piaget - Piaget White Gold Watch Ref. 4182A6 with Lapis Dial and Diamonds and Sapphires - The Keystone Watches

Piaget White Gold Watch Ref. 4182A6 with Lapis Dial and Diamonds and Sapphires

Piaget White Gold Watch Ref. 4182A6 with Lapis Dial and Diamonds and Sapphires

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Piaget - Piaget White Gold Opal Watch Ref. 4326D23 - The Keystone Watches

Piaget White Gold Opal Watch Ref. 4326D23

Piaget White Gold Opal Watch Ref. 4326D23

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Cartier - Cartier Rose Gold Rotonde Tourbillon Monopusher Chronograph Watch W1580032 - The Keystone Watches

Cartier Rose Gold Rotonde Tourbillon Monopusher Chronograph Watch W1580032

Cartier Rose Gold Rotonde Tourbillon Monopusher Chronograph Watch W1580032

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A. Lange & Sohne - A. Lange & Sohne Lange 1 Yellow Gold Watch Ref. 115.021 - The Keystone Watches

A. Lange & Sohne Lange 1 Yellow Gold Watch Ref. 115.021

A. Lange & Sohne Lange 1 Yellow Gold Watch Ref. 115.021

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Romain Gauthier - Romain Gauthier Titanium Logical One - The Keystone Watches

Romain Gauthier Titanium Logical One

Romain Gauthier Titanium Logical One

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Breguet - Breguet Platinum Minute Repeater Ref. 3637 - The Keystone Watches

Breguet Platinum Minute Repeater Ref. 3637

Breguet Platinum Minute Repeater Ref. 3637

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Jaeger LeCoultre - Jaeger Lecoultre Rose Gold Reverso Ref. 270.2.62 - The Keystone Watches

Jaeger Lecoultre Rose Gold Reverso Ref. 270.2.62

Jaeger Lecoultre Rose Gold Reverso Ref. 270.2.62

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Cartier - Cartier Rose Gold Tortue Collection Privee Cartier Paris Ref. 2689 - The Keystone Watches

Cartier Rose Gold Tortue Collection Privee Cartier Paris Ref. 2689

Cartier Rose Gold Tortue Collection Privee Cartier Paris Ref. 2689

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Breguet - Breguet Yellow Gold Classique Complications Tourbillon Watch Ref. 3357 - The Keystone Watches

Breguet Yellow Gold Classique Complications Tourbillon Watch Ref. 3357

Breguet Yellow Gold Classique Complications Tourbillon Watch Ref. 3357

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Cartier - Cartier Rose Gold Tank Americaine with Original Brown Diamonds Ref. 2482 - The Keystone Watches

Cartier Rose Gold Tank Americaine with Original Brown Diamonds Ref. 2482

Cartier Rose Gold Tank Americaine with Original Brown Diamonds Ref. 2482

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Cartier - Cartier Yellow Gold Tank Louis - The Keystone Watches

Cartier Yellow Gold Tank Louis

Cartier Yellow Gold Tank Louis

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Cartier - Cartier White Gold Rotonde Jumping Hour Ref. W1553851 - The Keystone Watches

Cartier White Gold Rotonde Jumping Hour Ref. W1553851

Cartier White Gold Rotonde Jumping Hour Ref. W1553851

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Cartier - Cartier White Gold Rotonde Ref. W1556241 - The Keystone Watches

Cartier White Gold Rotonde Ref. W1556241

Cartier White Gold Rotonde Ref. W1556241

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Jaeger LeCoultre - Jaeger Lecoultre Steel Reverso Tribute Ref. 214.8.62 - The Keystone Watches

Jaeger Lecoultre Steel Reverso Tribute Ref. 214.8.62

Jaeger Lecoultre Steel Reverso Tribute Ref. 214.8.62

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Laurent Ferrier - Laurent Ferrier Steel Grand Sport Tourbillon Watch, Limited to 12 Pieces - The Keystone Watches

Laurent Ferrier Steel Grand Sport Tourbillon Watch, Limited to 12 Pieces

Laurent Ferrier Steel Grand Sport Tourbillon Watch, Limited to 12 Pieces

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Richard Mille - Richard Mille Rose Gold RM67-01 with Factory Pave Diamond Case - The Keystone Watches

Richard Mille Rose Gold RM67-01 with Factory Pave Diamond Case

Richard Mille Rose Gold RM67-01 with Factory Pave Diamond Case

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Cartier - Cartier Yellow Gold Tank Louis Ref. 1600 - The Keystone Watches

Cartier Yellow Gold Tank Louis Ref. 1600

Cartier Yellow Gold Tank Louis Ref. 1600

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Breguet - Breguet White Gold Chronograph Tourbillon Watch Ref. 3577 - The Keystone Watches

Breguet White Gold Chronograph Tourbillon Watch Ref. 3577

Breguet White Gold Chronograph Tourbillon Watch Ref. 3577

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A. Lange & Sohne - A. Lange & Sohne Rose Gold Lange 1 Tourbillon Watch Ref. 704.032 - The Keystone Watches

A. Lange & Sohne Rose Gold Lange 1 Tourbillon Watch Ref. 704.032

A. Lange & Sohne Rose Gold Lange 1 Tourbillon Watch Ref. 704.032

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FP Journe - F.P. Journe Aluminum Octa Sport Watch - The Keystone Watches

F.P. Journe Aluminum Octa Sport Watch

F.P. Journe Aluminum Octa Sport Watch

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Richard Mille - Richard Mille Automatic Winding Extra Flat RM67-02 Alexander Zverev Edition - The Keystone Watches

Richard Mille Automatic Winding Extra Flat RM67-02 Alexander Zverev Edition

Richard Mille Automatic Winding Extra Flat RM67-02 Alexander Zverev Edition

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New Arrivals Preview
 
Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

$38,000 USD
 
Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

$30,000 USD
 
Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

$60,000 USD
 
Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

$58,000 USD
 
Audemars Piguet - Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival) - The Keystone Watches

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

$18,000 USD
 
Cartier Yellow Gold Tank Normale Bracelet Watch  Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

$36,000 USD
 
Cartier - Cartier Yellow Gold Tank Reverso (New Arrival) - The Keystone Watches

Cartier Yellow Gold Tank Reverso (New Arrival)

Cartier Yellow Gold Tank Reverso (New Arrival)

$34,500 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.

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