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Patek Philippe - Patek Philippe Diamond Cover Watch Ref. 3006 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe Diamond Cover Watch Ref. 3006 (NEW ARRIVAL)

Patek Philippe Diamond Cover Watch Ref. 3006 (NEW ARRIVAL)

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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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Rolex - Rolex Day-Date OysterQuartz Sapphire Watch Ref. 19158 - The Keystone Watches

Rolex Day-Date OysterQuartz Sapphire Watch Ref. 19158

Rolex Day-Date OysterQuartz Sapphire Watch Ref. 19158

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Rolex - Rolex Yellow Gold GMT-Master II Watch Ref. 16718 - The Keystone Watches

Rolex Yellow Gold GMT-Master II Watch Ref. 16718

Rolex Yellow Gold GMT-Master II Watch Ref. 16718

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Vacheron Constantin - Vacheron Constantin Yellow Gold Chronometre Royal Ref. 6694 - The Keystone Watches

Vacheron Constantin Yellow Gold Chronometre Royal Ref. 6694

Vacheron Constantin Yellow Gold Chronometre Royal Ref. 6694

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Audemars Piguet - Audemars Piguet White Gold Quantieme Perpetual Metropolis Anniversary Edition Ref. 25962 - The Keystone Watches

Audemars Piguet White Gold Quantieme Perpetual Metropolis Anniversary Edition Ref. 25962

Audemars Piguet White Gold Quantieme Perpetual Metropolis Anniversary Edition Ref. 25962

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Patek Philippe - Patek Philippe White Gold Automatic Watch Ref. 3739 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe White Gold Automatic Watch Ref. 3739 (NEW ARRIVAL)

Patek Philippe White Gold Automatic Watch Ref. 3739 (NEW ARRIVAL)

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

Audemars Piguet Yellow Gold Cobra Calendar Watch

Audemars Piguet Yellow Gold Cobra Calendar Watch

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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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Rolex - Rolex Yellow Gold Zenith Daytona Ref. 16528 with Black Diamond Dial - The Keystone Watches

Rolex Yellow Gold Zenith Daytona Ref. 16528 with Black Diamond Dial

Rolex Yellow Gold Zenith Daytona Ref. 16528 with Black Diamond Dial

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Rolex - Rolex Steel Zenith Daytona Ref. 16520 with Original Warranty Paper - The Keystone Watches

Rolex Steel Zenith Daytona Ref. 16520 with Original Warranty Paper

Rolex Steel Zenith Daytona Ref. 16520 with Original Warranty Paper

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 5270 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 5270

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 5270

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Patek Philippe - Patek Philippe White Gold Ellipse Ref. 3577 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 3577

Patek Philippe White Gold Ellipse Ref. 3577

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Patek Philippe - Patek Philippe Ellipse Ref. 3848 - The Keystone Watches

Patek Philippe Ellipse Ref. 3848

Patek Philippe Ellipse Ref. 3848

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Patek Philippe - Patek Philippe White Gold Ellipse Watch Ref. 3548 - The Keystone Watches

Patek Philippe White Gold Ellipse Watch Ref. 3548

Patek Philippe White Gold Ellipse Watch Ref. 3548

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Patek Philippe - Patek Philippe Yellow Gold Ellipse Watch Ref. 3848 - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Watch Ref. 3848

Patek Philippe Yellow Gold Ellipse Watch Ref. 3848

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Rolex - Rolex White Gold GMT-Master Ice Watch Ref. 116769 - The Keystone Watches

Rolex White Gold GMT-Master Ice Watch Ref. 116769

Rolex White Gold GMT-Master Ice Watch Ref. 116769

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Patek Philippe - Patek Philippe White Gold Ellipse Ref. 3748 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 3748

Patek Philippe White Gold Ellipse Ref. 3748

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Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5960 - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5960

Patek Philippe Platinum Chronograph Watch Ref. 5960

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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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New Arrivals Preview
 
Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

$125,000 USD
 
Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

$62,000 USD
 
Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

$55,000 USD
 
Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

$21,000 USD
 
Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

$175,000 USD
 
Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

$70,000 USD
 
Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

$48,000 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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