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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 Rose Gold Tank Americaine with Original Brown Diamonds Ref. 2482 - The Keystone Watches

Cartier Rose Gold Tank Americaine with Original Brown Diamonds Ref. 2482

Cartier Rose Gold Tank Americaine with Original Brown Diamonds Ref. 2482

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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 - Cartier Rose Gold Tank Cintree Ref. 4122 - The Keystone Watches

Cartier Rose Gold Tank Cintree Ref. 4122

Cartier Rose Gold Tank Cintree Ref. 4122

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Cartier - Cartier Rose Gold Tank Ref. WGTA0011 - The Keystone Watches

Cartier Rose Gold Tank Ref. WGTA0011

Cartier Rose Gold Tank Ref. WGTA0011

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Cartier - Cartier Rose Gold Tonneau Dual Time Zone Watch - The Keystone Watches

Cartier Rose Gold Tonneau Dual Time Zone Watch

Cartier Rose Gold Tonneau Dual Time Zone Watch

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Cartier - Cartier Rose Gold Tortue Collection Privee Cartier Paris Ref. 2689 - The Keystone Watches

Cartier Rose Gold Tortue Collection Privee Cartier Paris Ref. 2689

Cartier Rose Gold Tortue Collection Privee Cartier Paris Ref. 2689

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Cartier - Cartier Santos Dumont Skeleton Watch, with Original Box and Papers - The Keystone Watches

Cartier Santos Dumont Skeleton Watch, with Original Box and Papers

Cartier Santos Dumont Skeleton Watch, with Original Box and Papers

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Cartier - Cartier Santos Dumont Skeletonized Watch Ref. W2020052 - The Keystone Watches

Cartier Santos Dumont Skeletonized Watch Ref. W2020052

Cartier Santos Dumont Skeletonized Watch Ref. W2020052

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Cartier Santos Dumont Steel Black Enamel Ref. WSSA0046

Cartier Santos Dumont Steel Black Enamel Ref. WSSA0046

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Cartier - Cartier Skeleton Rotonde de Cartier Skeleton Red Enamel Watch, One of 15 Ref. 4173 (NEW ARRIVAL) - The Keystone Watches

Cartier Skeleton Rotonde de Cartier Skeleton Red Enamel Watch, One of 15 Ref. 4173 (NEW ARRIVAL)

Cartier Skeleton Rotonde de Cartier Skeleton Red Enamel Watch, One of 15 Ref. 4173 (NEW ARRIVAL)

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Cartier - Cartier Skeleton Tourbillon Rotonde De Cartier Astromysterieux - The Keystone Watches

Cartier Skeleton Tourbillon Rotonde De Cartier Astromysterieux

Cartier Skeleton Tourbillon Rotonde De Cartier Astromysterieux

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Cartier Steel and Gold Santos Ref. 2961 with Original Paper

Cartier Steel and Gold Santos Ref. 2961 with Original Paper

Cartier Steel and Gold Santos Ref. 2961 with Original Paper

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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 Steel Pasha Chronograph Ref. W31018H3 (New Arrival)

Cartier Steel Pasha Chronograph Ref. W31018H3 (New Arrival)

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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 Steel Santos Dumont Black Enamel Ref. WSSA0046

Cartier Steel Santos Dumont Black Enamel Ref. WSSA0046

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

Cartier Steel Santos Dumont Ref. WSSA0046 with Black Lacquer Dial

Cartier Steel Santos Dumont Ref. WSSA0046 with Black Lacquer Dial

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Cartier - Cartier Steel Watch with Bumper Automatic Movement, European Watch & Clock - The Keystone Watches

Cartier Steel Watch with Bumper Automatic Movement, European Watch & Clock

Cartier Steel Watch with Bumper Automatic Movement, European Watch & Clock

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Cartier - Cartier Tank Americaine Large Rose Gold Ref. 2505 - The Keystone Watches

Cartier Tank Americaine Large Rose Gold Ref. 2505

Cartier Tank Americaine Large Rose Gold Ref. 2505

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Cartier - Cartier Tank Solo Piano Dial Watch - The Keystone Watches

Cartier Tank Solo Piano Dial Watch

Cartier Tank Solo Piano Dial Watch

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Cartier Two Tone Ladies Panthere Ref. W25029B6

Cartier Two Tone Ladies Panthere Ref. W25029B6

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Cartier - Cartier Two Tone Santos Ref. 2961 with Godron Bracelet - The Keystone Watches

Cartier Two Tone Santos Ref. 2961 with Godron Bracelet

Cartier Two Tone Santos Ref. 2961 with Godron Bracelet

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Cartier Two Tone Vintage Santos Ref. 2961

Cartier Two Tone Vintage Santos Ref. 2961

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Cartier - Cartier Two-Tone Panthere Ref. W25028B6 - The Keystone Watches

Cartier Two-Tone Panthere Ref. W25028B6

Cartier Two-Tone Panthere Ref. W25028B6

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Cartier - Cartier Two-Tone Santos Automatic Ref. 2961 - The Keystone Watches

Cartier Two-Tone Santos Automatic Ref. 2961

Cartier Two-Tone Santos Automatic Ref. 2961

$5,750 USD
 
Cartier Two-Tone Santos Dumont Ref. 78226

Cartier Two-Tone Santos Dumont Ref. 78226

Cartier Two-Tone Santos Dumont Ref. 78226

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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 Vintage Love Bracelet by Aldo Cipullo Circa 1970 (Objet)

Cartier Vintage Love Bracelet by Aldo Cipullo Circa 1970 (Objet)

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Cartier Vintage Platinum Tonneau Mecanique Watch

Cartier Vintage Platinum Tonneau Mecanique Watch

Cartier Vintage Platinum Tonneau Mecanique Watch

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Cartier - Cartier White Gold and Diamond Ronde Watch Ref. 3269 (NEW ARRIVAL) - The Keystone Watches

Cartier White Gold and Diamond Ronde Watch Ref. 3269 (NEW ARRIVAL)

Cartier White Gold and Diamond Ronde Watch Ref. 3269 (NEW ARRIVAL)

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Cartier - Cartier White Gold Asymmetrical Diamond Watch with Original Box and Paper - The Keystone Watches

Cartier White Gold Asymmetrical Diamond Watch with Original Box and Paper

Cartier White Gold Asymmetrical Diamond Watch with Original Box and Paper

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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 White Gold Baignoire Allongee Ref. W1532336

Cartier White Gold Baignoire Allongee Ref. W1532336

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

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

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

$65,000 USD
 
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 - Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival) - The Keystone Watches

Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival)

Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival)

$15,500 USD
 
Rolex White Gold Cellini Ref. 4083 (New Arrival)

Rolex White Gold Cellini Ref. 4083 (New Arrival)

Rolex White Gold Cellini Ref. 4083 (New Arrival)

$4,500 USD
 
Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

$9,800 USD
 
Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

$15,000 USD
 
Rolex - Rolex Yellow Gold Day-Date Ref. 18238 in Original Condition (New Arrival) - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 18238 in Original Condition (New Arrival)

Rolex Yellow Gold Day-Date Ref. 18238 in Original Condition (New Arrival)

$17,500 USD
 
Patek Philippe - Patek Philiipe White Gold Pocket Watch Ref. 874 (New Arrival) - The Keystone Watches

Patek Philiipe White Gold Pocket Watch Ref. 874 (New Arrival)

Patek Philiipe White Gold Pocket Watch Ref. 874 (New Arrival)

$23,500 USD
 
Patek Philippe - Patek Philippe Yellow Gold Watch Ref. 3479 Retailed by Beyer (New Arrival) - The Keystone Watches

Patek Philippe Yellow Gold Watch Ref. 3479 Retailed by Beyer (New Arrival)

Patek Philippe Yellow Gold Watch Ref. 3479 Retailed by Beyer (New Arrival)

$8,500 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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