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Cartier Yellow Gold Tank Louis Ref. 96065

Cartier Yellow Gold Tank Louis Ref. 96065

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Cartier Yellow Gold Tank Obus

Cartier Yellow Gold Tank Obus

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Cartier Yellow Gold Tank Normale Ref. WGTA0108

Cartier Yellow Gold Tank Normale Ref. WGTA0108

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Cartier Yellow Gold Tank Mecanique Ref. 96065

Cartier Yellow Gold Tank Mecanique Ref. 96065

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Cartier Yellow Gold Tank Watch, European Watch & Clock from 1959

Cartier Yellow Gold Tank Watch, European Watch & Clock from 1959

Cartier Yellow Gold Tank Watch, European Watch & Clock from 1959

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Cartier Rose Gold Tank Chinoise Watch CPCP Collection

Cartier Rose Gold Tank Chinoise Watch CPCP Collection

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Cartier Platinum Tortue Perpetual Calendar CPCP Watch Ref. 2646

Cartier Platinum Tortue Perpetual Calendar CPCP Watch Ref. 2646

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Cartier - Cartier Yellow Gold Tank Louis Ref. 1140 - The Keystone Watches

Cartier Yellow Gold Tank Louis Ref. 1140

Cartier Yellow Gold Tank Louis Ref. 1140

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Cartier - Cartier Yellow Gold Cristallor - The Keystone Watches

Cartier Yellow Gold Cristallor

Cartier Yellow Gold Cristallor

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Cartier - Cartier Yellow Gold Tank Normale Watch, European Watch & Clock - The Keystone Watches

Cartier Yellow Gold Tank Normale Watch, European Watch & Clock

Cartier Yellow Gold Tank Normale Watch, European Watch & Clock

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Cartier Yellow Gold Santos Round with Pave Diamond Dial

Cartier Yellow Gold Santos Round with Pave Diamond Dial

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Cartier - Cartier Yellow Gold Santos Carree Diamond - The Keystone Watches

Cartier Yellow Gold Santos Carree Diamond

Cartier Yellow Gold Santos Carree Diamond

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Cartier Platinum Vendome Ronde Louis Ref. 1297

Cartier Platinum Vendome Ronde Louis Ref. 1297

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Cartier - Cartier Yellow Gold Tank Travel Clock, Sold in London - The Keystone Watches

Cartier Yellow Gold Tank Travel Clock, Sold in London

Cartier Yellow Gold Tank Travel Clock, Sold in London

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Cartier - Cartier Steel Black Lacquer Santos Dumont Ref. WSSA0046 - The Keystone Watches

Cartier Steel Black Lacquer Santos Dumont Ref. WSSA0046

Cartier Steel Black Lacquer Santos Dumont Ref. WSSA0046

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Cartier Platinum Ronde Louis Ref. W1528051 CPCP Collection

Cartier Platinum Ronde Louis Ref. W1528051 CPCP Collection

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Cartier White Gold Cintree Dual Time Watch Ref. 2767 with Chinese Characters

Cartier White Gold Cintree Dual Time Watch Ref. 2767 with Chinese Characters

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Cartier Yellow Gold Pocket Watch, European Watch & Clock Movement

Cartier Yellow Gold Pocket Watch, European Watch & Clock Movement

Cartier Yellow Gold Pocket Watch, European Watch & Clock Movement

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Cartier Rose Gold Clash [Un]Limited Watch Ref. WGMB0003

Cartier Rose Gold Clash [Un]Limited Watch Ref. WGMB0003

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Cartier - Cartier Rose Gold Tank a Vis Dual Time Ref. 2594 - The Keystone Watches

Cartier Rose Gold Tank a Vis Dual Time Ref. 2594

Cartier Rose Gold Tank a Vis Dual Time Ref. 2594

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Cartier - Cartier White Gold Tank Watch - The Keystone Watches

Cartier White Gold Tank Watch

Cartier White Gold Tank Watch

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Cartier Yellow Gold Mechanical Watch

Cartier Yellow Gold Mechanical Watch

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New Arrivals Preview
 
Rolex Steel Oyster Perpetual Ref. 6050 (New Arrival)

Rolex Steel Oyster Perpetual Ref. 6050 (New Arrival)

Rolex Steel Oyster Perpetual Ref. 6050 (New Arrival)

$8,500 USD
 
Audemard Piguet Octagon White Gold Bracelet Watch (New Arrival)

Audemard Piguet Octagon White Gold Bracelet Watch (New Arrival)

Audemard Piguet Octagon White Gold Bracelet Watch (New Arrival)

$20,000 USD
 
Patek Philippe Yellow Gold Calatrava Ref. 3919J (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 3919J (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 3919J (New Arrival)

$128,000 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
 
Patek Philippe White Gold Bracelet Watch Ref. 3430 (New Arrival)

Patek Philippe White Gold Bracelet Watch Ref. 3430 (New Arrival)

Patek Philippe White Gold Bracelet Watch Ref. 3430 (New Arrival)

$15,000 USD
 
Patek Philippe Yellow Gold Cioccolatone Watch Ref. 2486 (New Arrival)

Patek Philippe Yellow Gold Cioccolatone Watch Ref. 2486 (New Arrival)

Patek Philippe Yellow Gold Cioccolatone Watch Ref. 2486 (New Arrival)

$19,500 USD
 
Vacheron Constantin White Gold Toledo Ref. 47300 (New Arrival)

Vacheron Constantin White Gold Toledo Ref. 47300 (New Arrival)

Vacheron Constantin White Gold Toledo Ref. 47300 (New Arrival)

$17,000 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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