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Cartier - Cartier Yellow Gold Tank Americaine Ref. W26001C9 - The Keystone Watches

Cartier Yellow Gold Tank Americaine Ref. W26001C9

Cartier Yellow Gold Tank Americaine Ref. W26001C9

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Cartier Steel Santos Dumont Black Enamel Ref. WSSA0046

Cartier Steel Santos Dumont Black Enamel Ref. WSSA0046

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Cartier - Cartier Rose Gold Baignoire Allongee Ref. WGBA0009 - The Keystone Watches

Cartier Rose Gold Baignoire Allongee Ref. WGBA0009

Cartier Rose Gold Baignoire Allongee Ref. WGBA0009

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Cartier - Cartier Yellow Gold Santos Dumont Ref. 821053 - The Keystone Watches

Cartier Yellow Gold Santos Dumont Ref. 821053

Cartier Yellow Gold Santos Dumont Ref. 821053

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Cartier Vendome 78090 18k YG Excellent Condition with Very Minor Wear Unisex 18k YG White with Roman Numerals 33 mm Manual Blue Watch Only

Cartier Yellow Gold Vendome Ref. 78090

Cartier Yellow Gold Vendome Ref. 78090

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Cartier - Cartier Yellow Gold Santos Carree Auto Ref. 2960 in Superb Condition (New Arrival) - The Keystone Watches

Cartier Yellow Gold Santos Carree Auto Ref. 2960 in Superb Condition (New Arrival)

Cartier Yellow Gold Santos Carree Auto Ref. 2960 in Superb Condition (New Arrival)

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Cartier Yellow Gold Vendome Watch Ref. 86402352 with Original Sapphires and Diamonds

Cartier Yellow Gold Vendome Watch Ref. 86402352 with Original Sapphires and Diamonds

Cartier Yellow Gold Vendome Watch Ref. 86402352 with Original Sapphires and Diamonds

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Cartier Panthere White Gold Original Diamond Panthere Ref. WF3091F3

Cartier Panthere White Gold Original Diamond Panthere Ref. WF3091F3

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Cartier - Cartier Two-Tone Vendome Ref. 78209 - The Keystone Watches

Cartier Two-Tone Vendome Ref. 78209

Cartier Two-Tone Vendome Ref. 78209

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Cartier - Cartier Yellow Gold Ceinture Ref. 78099 - The Keystone Watches

Cartier Yellow Gold Ceinture Ref. 78099

Cartier Yellow Gold Ceinture Ref. 78099

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Cartier - Cartier Yellow Gold Jumbo Gondole Watch Ref. 97050 - The Keystone Watches

Cartier Yellow Gold Jumbo Gondole Watch Ref. 97050

Cartier Yellow Gold Jumbo Gondole Watch Ref. 97050

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Cartier Yellow Gold Mystery Pocket Watch

Cartier Yellow Gold Mystery Pocket Watch

Cartier Yellow Gold Mystery Pocket Watch

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Cartier - Cartier Rose Gold Baignoire Allongee Ref. WGBA0009 - The Keystone Watches

Cartier Rose Gold Baignoire Allongee Ref. WGBA0009

Cartier Rose Gold Baignoire Allongee Ref. WGBA0009

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Cartier White Gold Tank Ceinture Watch (New Arrival)

Cartier White Gold Tank Ceinture Watch (New Arrival)

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Cartier - Cartier Yellow Gold Tank Ceinture Ref. 78100 - The Keystone Watches

Cartier Yellow Gold Tank Ceinture Ref. 78100

Cartier Yellow Gold Tank Ceinture Ref. 78100

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Cartier - Cartier White Gold Lanieres Tank Allongee Watch Ref. 2544 with Sapphires - The Keystone Watches

Cartier White Gold Lanieres Tank Allongee Watch Ref. 2544 with Sapphires

Cartier White Gold Lanieres Tank Allongee Watch Ref. 2544 with Sapphires

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Cartier Yellow Gold Gouvernail Helm Watch (New Arrival)

Cartier Yellow Gold Gouvernail Helm Watch (New Arrival)

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Cartier - Cartier Yellow Gold Diamond and Tourmaline Vintage Watch - The Keystone Watches

Cartier Yellow Gold Diamond and Tourmaline Vintage Watch

Cartier Yellow Gold Diamond and Tourmaline Vintage Watch

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Cartier - Cartier Yellow Gold Tank Obus, European Watch & Clock, Late 1940s - The Keystone Watches

Cartier Yellow Gold Tank Obus, European Watch & Clock, Late 1940s

Cartier Yellow Gold Tank Obus, European Watch & Clock, Late 1940s

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Cartier - Carter White Gold Baignoire Allongee with Diamond and Sapphire Pave Dial Ref. 2514 - The Keystone Watches

Carter White Gold Baignoire Allongee with Diamond and Sapphire Pave Dial Ref. 2514

Carter White Gold Baignoire Allongee with Diamond and Sapphire Pave Dial Ref. 2514

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Cartier Yellow Gold Collection Prive Baignoire Allongee from 1991

Cartier Yellow Gold Collection Prive Baignoire Allongee from 1991

Cartier Yellow Gold Collection Prive Baignoire Allongee from 1991

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Cartier Steel Pasha Chronograph Ref. W31018H3 (New Arrival)

Cartier Steel Pasha Chronograph Ref. W31018H3 (New Arrival)

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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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