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Cartier Yellow Gold Baignoire Mini Ref. W1510956 (New Arrival)

Cartier Yellow Gold Baignoire Mini Ref. W1510956 (New Arrival)

Cartier Yellow Gold Baignoire Mini Ref. W1510956 (New Arrival)

Sold Out

 
Cartier Platinum Onyx & Diamond Watch, 1910 (New Arrival)

Cartier Platinum Onyx & Diamond Watch, 1910 (New Arrival)

Cartier Platinum Onyx & Diamond Watch, 1910 (New Arrival)

$18,500 USD
 
Cartier Yellow Gold Ceinture Ref. 78099

Cartier Yellow Gold Ceinture Ref. 78099

Cartier Yellow Gold Ceinture Ref. 78099

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Cartier Yellow Gold Tank London

Cartier Yellow Gold Tank London

Cartier Yellow Gold Tank London

$53,000 USD
 
Cartier Platinum Santos Dumont Ref. WGSA0113 Complete Set with Orange Dial (New Arrival)

Cartier Platinum Santos Dumont Ref. WGSA0113 Complete Set with Orange Dial (New Arrival)

Cartier Platinum Santos Dumont Ref. WGSA0113 Complete Set with Orange Dial (New Arrival)

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Cartier - Cartier Paris Yellow Gold Tank (New Arrival) - The Keystone Watches

Cartier Paris Yellow Gold Tank (New Arrival)

Cartier Paris Yellow Gold Tank (New Arrival)

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Cartier Yellow Gold Large Tonneau Paris with Original Papers

Cartier Yellow Gold Large Tonneau Paris with Original Papers

Cartier Yellow Gold Large Tonneau Paris with Original Papers

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Cartier Yellow Gold Santos Dumont Mechanical Ref. 96061

Cartier Yellow Gold Santos Dumont Mechanical Ref. 96061

Cartier Yellow Gold Santos Dumont Mechanical Ref. 96061

Sold Out

 
Cartier Yellow Gold Ellipse Ref. 81721152 with Paris Dial

Cartier Yellow Gold Ellipse Ref. 81721152 with Paris Dial

Cartier Yellow Gold Ellipse Ref. 81721152 with Paris Dial

Sold Out

 
Cartier Platinum Tank Americaine Ref. WGTA0296

Cartier Platinum Tank Americaine Ref. WGTA0296

Cartier Platinum Tank Americaine Ref. WGTA0296

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Cartier Yellow Gold Tank, London 1976

Cartier Yellow Gold Tank, London 1976

Cartier Yellow Gold Tank, London 1976

$65,000 USD
 
Cartier Yellow Gold Ronde Escalier, Circa 1940

Cartier Yellow Gold Ronde Escalier, Circa 1940

Cartier Yellow Gold Ronde Escalier, Circa 1940

$19,500 USD
 
Cartier Platinum Tank Salmon Dial Ref. 16011 (New Arrival)

Cartier Platinum Tank Salmon Dial Ref. 16011 (New Arrival)

Cartier Platinum Tank Salmon Dial Ref. 16011 (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 Yellow Gold Secret Hidden Shutter Watch, European Watch & Clock (New Arrival)

Cartier Yellow Gold Secret Hidden Shutter Watch, European Watch & Clock (New Arrival)

Cartier Yellow Gold Secret Hidden Shutter Watch, European Watch & Clock (New Arrival)

Sold Out

 
Cartier Yellow Gold Tank Obus Maxi, European Watch & Clock

Cartier Yellow Gold Tank Obus Maxi, European Watch & Clock

Cartier Yellow Gold Tank Obus Maxi, European Watch & Clock

$95,000 USD
 
Cartier Platinum Mecanique Chinoise Tortue (New Arrival)

Cartier Platinum Mecanique Chinoise Tortue (New Arrival)

Cartier Platinum Mecanique Chinoise Tortue (New Arrival)

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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 Allongee Elongated, Circa 1940 - The Keystone Watches

Cartier Tank Allongee Elongated, Circa 1940

Cartier Tank Allongee Elongated, Circa 1940

Sold Out

 
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 Yellow Gold Pebble Watch Ref. WGPB0003

Cartier Yellow Gold Pebble Watch Ref. WGPB0003

Cartier Yellow Gold Pebble Watch Ref. WGPB0003

Sold Out

 
Cartier Yellow Gold London Cintree Large, 1972

Cartier Yellow Gold London Cintree Large, 1972

Cartier Yellow Gold London Cintree Large, 1972

"Price upon request"
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New Arrivals Preview
 
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
 
Cartier - Cartier Yellow Gold Enamel Clip Watch with Royal Thames Yacht Club Enamel Emblem (New Arrival) - The Keystone Watches

Cartier Yellow Gold Enamel Clip Watch with Royal Thames Yacht Club Enamel Emblem (New Arrival)

Cartier Yellow Gold Enamel Clip Watch with Royal Thames Yacht Club Enamel Emblem (New Arrival)

$35,000 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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