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Cartier - Cartier Rose Gold Panthere Pink Diamond Watch, Special Order - The Keystone Watches

Cartier Rose Gold Panthere Pink Diamond Watch, Special Order

Cartier Rose Gold Panthere Pink Diamond Watch, Special Order

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Cartier - Cartier White Gold Ballon Bleu Tourbillon Watch - The Keystone Watches

Cartier White Gold Ballon Bleu Tourbillon Watch

Cartier White Gold Ballon Bleu Tourbillon Watch

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Cartier - Cartier Platinum Tank Mechanical Watch - The Keystone Watches

Cartier Platinum Tank Mechanical Watch

Cartier Platinum Tank Mechanical Watch

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Cartier - Cartier Platinum Baignoire Watch, 1960 - The Keystone Watches

Cartier Platinum Baignoire Watch, 1960

Cartier Platinum Baignoire Watch, 1960

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Cartier - Cartier White Gold Baignoire Allongee Diamond Watch - The Keystone Watches

Cartier White Gold Baignoire Allongee Diamond Watch

Cartier White Gold Baignoire Allongee Diamond Watch

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Cartier - Cartier Yellow Gold Santos Automatic Diamond Watch - The Keystone Watches

Cartier Yellow Gold Santos Automatic Diamond Watch

Cartier Yellow Gold Santos Automatic Diamond Watch

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Cartier - Cartier White Gold Baignoire Red Numbers Watch - The Keystone Watches

Cartier White Gold Baignoire Red Numbers Watch

Cartier White Gold Baignoire Red Numbers Watch

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Cartier - Cartier Rose Gold Tank Americaine Watch with Original Box and Papers - The Keystone Watches

Cartier Rose Gold Tank Americaine Watch with Original Box and Papers

Cartier Rose Gold Tank Americaine Watch with Original Box and Papers

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Cartier - Cartier Yellow Gold Carree Obus Skeleton Watch, Limited to 100 - The Keystone Watches

Cartier Yellow Gold Carree Obus Skeleton Watch, Limited to 100

Cartier Yellow Gold Carree Obus Skeleton Watch, Limited to 100

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Cartier - Cartier Platinum Vendome Watch, 1974 - The Keystone Watches

Cartier Platinum Vendome Watch, 1974

Cartier Platinum Vendome Watch, 1974

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Cartier - Cartier Yellow Gold Mini Tank Diamond Watch, 1968 - The Keystone Watches

Cartier Yellow Gold Mini Tank Diamond Watch, 1968

Cartier Yellow Gold Mini Tank Diamond Watch, 1968

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

Cartier Yellow Gold Tank Cintree Watch, 1970s

Cartier Yellow Gold Tank Cintree Watch, 1970s

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Cartier - Cartier Platinum Santos Automatic Watch, 1979 - The Keystone Watches

Cartier Platinum Santos Automatic Watch, 1979

Cartier Platinum Santos Automatic Watch, 1979

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Cartier - Cartier Platinum Baignoire Watch, 1966 - The Keystone Watches

Cartier Platinum Baignoire Watch, 1966

Cartier Platinum Baignoire Watch, 1966

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Cartier - Cartier White Gold Tank Basculante Diamond Watch - The Keystone Watches

Cartier White Gold Tank Basculante Diamond Watch

Cartier White Gold Tank Basculante Diamond Watch

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Cartier - Cartier White Gold Panthere Mini Watch - The Keystone Watches

Cartier White Gold Panthere Mini Watch

Cartier White Gold Panthere Mini Watch

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Cartier - Cartier Yellow Gold Tank Asymmetrical Watch, Ref. 2488 - The Keystone Watches

Cartier Yellow Gold Tank Asymmetrical Watch, Ref. 2488

Cartier Yellow Gold Tank Asymmetrical Watch, Ref. 2488

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

Cartier Yellow Gold Tank Faberge Watch, 1970s

Cartier Yellow Gold Tank Faberge Watch, 1970s

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Cartier - Cartier Yellow Gold Santos Watch, Circa 1922 - The Keystone Watches

Cartier Yellow Gold Santos Watch, Circa 1922

Cartier Yellow Gold Santos Watch, Circa 1922

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Cartier - Cartier Yellow Gold Panthere Watch - The Keystone Watches

Cartier Yellow Gold Panthere Watch

Cartier Yellow Gold Panthere Watch

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Cartier - Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2762 - The Keystone Watches

Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2762

Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2762

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Cartier - Cartier White Gold Baignoire Pink Sapphire Watch - The Keystone Watches

Cartier White Gold Baignoire Pink Sapphire Watch

Cartier White Gold Baignoire Pink Sapphire 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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