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Cartier - Cartier Yellow Gold Panthere Enamel Diamond Watch - The Keystone Watches

Cartier Yellow Gold Panthere Enamel Diamond Watch

Cartier Yellow Gold Panthere Enamel Diamond Watch

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

Cartier Yellow Gold Tortue Diamond Watch

Cartier Yellow Gold Tortue Diamond Watch

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Cartier - Cartier Yellow & White Gold Cushion Trianon Strap Watch - The Keystone Watches

Cartier Yellow & White Gold Cushion Trianon Strap Watch

Cartier Yellow & White Gold Cushion Trianon Strap Watch

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Cartier - Cartier Yellow Gold Gondole Bracelet Watch - The Keystone Watches

Cartier Yellow Gold Gondole Bracelet Watch

Cartier Yellow Gold Gondole Bracelet Watch

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

Cartier Yellow Gold Santos Diamond Watch

Cartier Yellow Gold Santos Diamond Watch

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Cartier - Cartier Yellow Gold Large Tank Speciale Watch, 1959 - The Keystone Watches

Cartier Yellow Gold Large Tank Speciale Watch, 1959

Cartier Yellow Gold Large Tank Speciale Watch, 1959

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

Cartier White Gold Jumbo Tank Automatic Watch

Cartier White Gold Jumbo Tank Automatic Watch

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Cartier - Cartier Yellow Gold Tank Gondole Bracelet Watch - The Keystone Watches

Cartier Yellow Gold Tank Gondole Bracelet Watch

Cartier Yellow Gold Tank Gondole Bracelet Watch

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Cartier - Cartier Yellow Gold Cabriolet Reversible Watch - The Keystone Watches

Cartier Yellow Gold Cabriolet Reversible Watch

Cartier Yellow Gold Cabriolet Reversible Watch

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Cartier - Cartier Yellow Gold Tank Mechanical Watch on a Bracelet - The Keystone Watches

Cartier Yellow Gold Tank Mechanical Watch on a Bracelet

Cartier Yellow Gold Tank Mechanical Watch on a Bracelet

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Cartier - Cartier Yellow Gold Leather Watch, As Seen in George Gordons Cartier Book - The Keystone Watches

Cartier Yellow Gold Leather Watch, As Seen in George Gordons Cartier Book

Cartier Yellow Gold Leather Watch, As Seen in George Gordons Cartier Book

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

Cartier Yellow Gold Jumbo Tank Gondole Watch

Cartier Yellow Gold Jumbo Tank Gondole Watch

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

Cartier Yellow Gold Tank Chinoise Watch, 1970s

Cartier Yellow Gold Tank Chinoise Watch, 1970s

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Cartier - Cartier Yellow Gold Tank Cintree Watch, 1930s - The Keystone Watches

Cartier Yellow Gold Tank Cintree Watch, 1930s

Cartier Yellow Gold Tank Cintree Watch, 1930s

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Cartier - Cartier Platinum Santos Watch, Circa 1920s - The Keystone Watches

Cartier Platinum Santos Watch, Circa 1920s

Cartier Platinum Santos Watch, Circa 1920s

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Cartier - Cartier Yellow Gold Tank Normale Watch, Famously Popularized by Jackie Onassis - The Keystone Watches

Cartier Yellow Gold Tank Normale Watch, Famously Popularized by Jackie Onassis

Cartier Yellow Gold Tank Normale Watch, Famously Popularized by Jackie Onassis

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

Cartier White Gold Tank Watch, Circa 1970s

Cartier White Gold Tank Watch, Circa 1970s

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

Cartier Yellow Gold Tank Jumbo Automatic Watch

Cartier Yellow Gold Tank Jumbo Automatic Watch

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Cartier - Cartier Platinum Tank Cintree Medium Watch, 1920s - The Keystone Watches

Cartier Platinum Tank Cintree Medium Watch, 1920s

Cartier Platinum Tank Cintree Medium Watch, 1920s

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Cartier - Cartier Platinum Asymmetrical Tank Watch, Piece Unique - The Keystone Watches

Cartier Platinum Asymmetrical Tank Watch, Piece Unique

Cartier Platinum Asymmetrical Tank Watch, Piece Unique

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

Cartier Yellow Gold Tortue Watch, Circa 1970s

Cartier Yellow Gold Tortue Watch, Circa 1970s

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Cartier - Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2396 - The Keystone Watches

Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2396

Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2396

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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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