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Cartier - Cartier Tank Allongee Elongated, Circa 1940 - The Keystone Watches

Cartier Tank Allongee Elongated, Circa 1940

Cartier Tank Allongee Elongated, Circa 1940

Sold Out

 
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 Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

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Cartier - Cartier Tank Normale Jumbo 10-Line, European Watch and Clock 1944 - The Keystone Watches

Cartier Tank Normale Jumbo 10-Line, European Watch and Clock 1944

Cartier Tank Normale Jumbo 10-Line, European Watch and Clock 1944

$70,000 USD
 
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 Two-Tone Panthere Ref. 7669 with Rare Obsidian Stone Dial

Cartier Two-Tone Panthere Ref. 7669 with Rare Obsidian Stone Dial

Cartier Two-Tone Panthere Ref. 7669 with Rare Obsidian Stone Dial

$29,000 USD
 
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 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 White Gold Astrotourbillon Ref. W1556204 (New Arrival)

Cartier White Gold Astrotourbillon Ref. W1556204 (New Arrival)

Cartier White Gold Astrotourbillon Ref. W1556204 (New Arrival)

$42,000 USD
 
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 Mini Ref. W1518956 (New Arrival)

Cartier White Gold Baignoire Mini Ref. W1518956 (New Arrival)

Cartier White Gold Baignoire Mini Ref. W1518956 (New Arrival)

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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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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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New Arrivals Preview
 
Patek Philippe Steel Calatrava Ref. 3466 (New Arrival)

Patek Philippe Steel Calatrava Ref. 3466 (New Arrival)

Patek Philippe Steel Calatrava Ref. 3466 (New Arrival)

$27,000 USD
 
Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

$29,500 USD
 
Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

$9,500 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
 
Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

$55,000 USD
 
Patek Philippe - Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival) - The Keystone Watches

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

$15,500 USD
 
Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

$9,200 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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