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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 Paris Yellow Gold Tank Louis Watch

Cartier Paris Yellow Gold Tank Louis Watch

Cartier Paris Yellow Gold Tank Louis Watch

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Cartier - Cartier Paris Yellow Gold Tonneau Mechanical Watch - The Keystone Watches

Cartier Paris Yellow Gold Tonneau Mechanical Watch

Cartier Paris Yellow Gold Tonneau Mechanical Watch

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Cartier Pink Gold Tank on Bracelet Mecanique WGTA0010 with Warranty Card (New Arrival)

Cartier Pink Gold Tank on Bracelet Mecanique WGTA0010 with Warranty Card (New Arrival)

Cartier Pink Gold Tank on Bracelet Mecanique WGTA0010 with Warranty Card (New Arrival)

$26,000 USD
 
Cartier - Cartier Platinum and Diamond Tank Chinoise Ref. 2685 - The Keystone Watches

Cartier Platinum and Diamond Tank Chinoise Ref. 2685

Cartier Platinum and Diamond Tank Chinoise Ref. 2685

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Cartier Platinum Art Deco Watch, European Watch & Clock, 1923

Cartier Platinum Art Deco Watch, European Watch & Clock, 1923

Cartier Platinum Art Deco Watch, European Watch & Clock, 1923

$13,500 USD
 
Cartier - Cartier Platinum Asymmetric Tank Limited Edition Watch, Ref. 2488 - The Keystone Watches

Cartier Platinum Asymmetric Tank Limited Edition Watch, Ref. 2488

Cartier Platinum Asymmetric Tank Limited Edition Watch, Ref. 2488

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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 Platinum Baignoire Mechanical Watch

Cartier Platinum Baignoire Mechanical Watch

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Cartier Platinum Baignoire Ref. 78094, Special Order with Burgundy Numerals, 1980s (New Arrival)

Cartier Platinum Baignoire Ref. 78094, Special Order with Burgundy Numerals, 1980s (New Arrival)

Cartier Platinum Baignoire Ref. 78094, Special Order with Burgundy Numerals, 1980s (New Arrival)

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Cartier - Cartier Platinum Baignoire Watch, 1960 - The Keystone Watches

Cartier Platinum Baignoire Watch, 1960

Cartier Platinum Baignoire Watch, 1960

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Cartier - Cartier Platinum Baignoire Watch, 1966 - The Keystone Watches

Cartier Platinum Baignoire Watch, 1966

Cartier Platinum Baignoire Watch, 1966

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Cartier Platinum Chinoise Tortue Watch

Cartier Platinum Chinoise Tortue Watch

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Cartier - Cartier Platinum Crash Diamond Watch - The Keystone Watches

Cartier Platinum Crash Diamond Watch

Cartier Platinum Crash Diamond Watch

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Cartier - Cartier Platinum Diabolo Tourbillon Watch - The Keystone Watches

Cartier Platinum Diabolo Tourbillon Watch

Cartier Platinum Diabolo Tourbillon Watch

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Cartier - Cartier Platinum Jumbo Tank Americaine Mechanique Watch - The Keystone Watches

Cartier Platinum Jumbo Tank Americaine Mechanique Watch

Cartier Platinum Jumbo Tank Americaine Mechanique Watch

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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 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 - Cartier Platinum Ronde Louis Cartier CPCP Ref. 1897E (NEW ARRIVAL) - The Keystone Watches

Cartier Platinum Ronde Louis Cartier CPCP Ref. 1897E (NEW ARRIVAL)

Cartier Platinum Ronde Louis Cartier CPCP Ref. 1897E (NEW ARRIVAL)

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Cartier - Cartier Platinum Ronde Louis Ref. W1528051 CPCP Collection - The Keystone Watches

Cartier Platinum Ronde Louis Ref. W1528051 CPCP Collection

Cartier Platinum Ronde Louis Ref. W1528051 CPCP Collection

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Cartier Platinum Ronde Louis Ref. W1528051 CPCP Collection

Cartier Platinum Ronde Louis Ref. W1528051 CPCP Collection

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Cartier Platinum Salmon Dial Watch Ref. 1611

Cartier Platinum Salmon Dial Watch Ref. 1611

Cartier Platinum Salmon Dial Watch Ref. 1611

$35,000 USD
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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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