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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Saxonia 1st Series Watch Ref. 102.002 - The Keystone Watches

A. Lange & Sohne Yellow Gold Saxonia 1st Series Watch Ref. 102.002

A. Lange & Sohne Yellow Gold Saxonia 1st Series Watch Ref. 102.002

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Cartier - Cartier Yellow Gold Tank Bec dAigle Watch - The Keystone Watches

Cartier Yellow Gold Tank Bec dAigle Watch

Cartier Yellow Gold Tank Bec dAigle Watch

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Cartier - Cartier Yellow Gold Tank Diamond Watch - The Keystone Watches

Cartier Yellow Gold Tank Diamond Watch

Cartier Yellow Gold Tank Diamond Watch

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Cartier - Cartier Yellow Gold Tank Faberge Watch - The Keystone Watches

Cartier Yellow Gold Tank Faberge Watch

Cartier Yellow Gold Tank Faberge Watch

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Cartier - Cartier Yellow Gold Tank Watch, Circa 1970s - The Keystone Watches

Cartier Yellow Gold Tank Watch, Circa 1970s

Cartier Yellow Gold Tank Watch, Circa 1970s

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Cartier - Cartier Yellow Gold Tank Arrondie Watch, Circa 1970s - The Keystone Watches

Cartier Yellow Gold Tank Arrondie Watch, Circa 1970s

Cartier Yellow Gold Tank Arrondie Watch, Circa 1970s

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Cartier - Cartier Yellow Gold Tank A Vis Privee Jump Hour Watch - The Keystone Watches

Cartier Yellow Gold Tank A Vis Privee Jump Hour Watch

Cartier Yellow Gold Tank A Vis Privee Jump Hour Watch

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Ulysse Nardin - Ulysse Nardin San Marco Cloisonne Watch Ref. 131-77-9 - The Keystone Watches

Ulysse Nardin San Marco Cloisonne Watch Ref. 131-77-9

Ulysse Nardin San Marco Cloisonne Watch Ref. 131-77-9

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Cartier - Cartier Yellow Gold Tank Americaine Automatic Strap Watch - The Keystone Watches

Cartier Yellow Gold Tank Americaine Automatic Strap Watch

Cartier Yellow Gold Tank Americaine Automatic Strap Watch

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Cartier - Cartier Yellow Gold Jumbo Tank Automatic Watch - The Keystone Watches

Cartier Yellow Gold Jumbo Tank Automatic Watch

Cartier Yellow Gold Jumbo Tank Automatic Watch

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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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Longines - Longines Yellow Gold Conquest Calendar Watch Ref. 9005 with Original Papers from Cuba - The Keystone Watches

Longines Yellow Gold Conquest Calendar Watch Ref. 9005 with Original Papers from Cuba

Longines Yellow Gold Conquest Calendar Watch Ref. 9005 with Original Papers from Cuba

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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

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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Lange 1 Watch Ref. 101.021 - The Keystone Watches

A. Lange & Sohne Yellow Gold Lange 1 Watch Ref. 101.021

A. Lange & Sohne Yellow Gold Lange 1 Watch Ref. 101.021

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Breguet - Breguet Yellow Gold Classique Enamel Dial Watch Ref. 5140 - The Keystone Watches

Breguet Yellow Gold Classique Enamel Dial Watch Ref. 5140

Breguet Yellow Gold Classique Enamel Dial Watch Ref. 5140

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Breguet - Breguet Yellow Gold Perpetual Calendar Power Reserve Watch Ref. 3571 - The Keystone Watches

Breguet Yellow Gold Perpetual Calendar Power Reserve Watch Ref. 3571

Breguet Yellow Gold Perpetual Calendar Power Reserve Watch Ref. 3571

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Laurent Ferrier - Laurent Ferrier Galet Tourbillon Double Spiral Watch - The Keystone Watches

Laurent Ferrier Galet Tourbillon Double Spiral Watch

Laurent Ferrier Galet Tourbillon Double Spiral Watch

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Breguet - Breguet Yellow Gold Tradition Skeleton Watch Ref. 7027 - The Keystone Watches

Breguet Yellow Gold Tradition Skeleton Watch Ref. 7027

Breguet Yellow Gold Tradition Skeleton Watch Ref. 7027

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Cartier - Cartier Yellow Gold Tank Ceinture Watch - The Keystone Watches

Cartier Yellow Gold Tank Ceinture Watch

Cartier Yellow Gold Tank Ceinture Watch

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IWC - IWC Yellow Gold Da Vinci Perpetual Calendar Chrono Watch - The Keystone Watches

IWC Yellow Gold Da Vinci Perpetual Calendar Chrono Watch

IWC Yellow Gold Da Vinci Perpetual Calendar Chrono Watch

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Cartier - Cartier Yellow Gold Tank Automatic Watch - The Keystone Watches

Cartier Yellow Gold Tank Automatic Watch

Cartier Yellow Gold Tank Automatic Watch

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Jaeger LeCoultre - Jaeger Lecoultre Yellow Gold Reverso Day-Night Watch - The Keystone Watches

Jaeger Lecoultre Yellow Gold Reverso Day-Night Watch

Jaeger Lecoultre Yellow Gold Reverso Day-Night Watch

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New Arrivals Preview
 
Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

$29,500 USD
 
Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

$9,500 USD
 
Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

$17,500 USD
 
Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

$55,000 USD
 
Patek Philippe - Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival) - The Keystone Watches

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

$15,500 USD
 
Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

$9,200 USD
 
Cartier - Cartier Yellow Gold Enamel Clip Watch with Royal Thames Yacht Club Enamel Emblem (New Arrival) - The Keystone Watches

Cartier Yellow Gold Enamel Clip Watch with Royal Thames Yacht Club Enamel Emblem (New Arrival)

Cartier Yellow Gold Enamel Clip Watch with Royal Thames Yacht Club Enamel Emblem (New Arrival)

$35,000 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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