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Cartier - Cartier Yellow Gold Mini Tonneau Watch Ref. 2563 - The Keystone Watches

Cartier Yellow Gold Mini Tonneau Watch Ref. 2563

Cartier Yellow Gold Mini Tonneau Watch Ref. 2563

$9,500 USD
 
Cartier Platinum Tank Louis Ref. 1601

Cartier Platinum Tank Louis Ref. 1601

Cartier Platinum Tank Louis Ref. 1601

$20,000 USD
 
Cartier - Cartier Vintage Platinum Tonneau Mecanique Watch - The Keystone Watches

Cartier Vintage Platinum Tonneau Mecanique Watch

Cartier Vintage Platinum Tonneau Mecanique Watch

$24,500 USD
 
Cartier - Cartier Yellow Gold Tank Normale Watch Ref. 78902 with Rare Dial - The Keystone Watches

Cartier Yellow Gold Tank Normale Watch Ref. 78902 with Rare Dial

Cartier Yellow Gold Tank Normale Watch Ref. 78902 with Rare Dial

$17,500 USD
 
Cartier - Cartier White Gold Tortue Ref. WGTO0003 with Original Baguette Diamonds - The Keystone Watches

Cartier White Gold Tortue Ref. WGTO0003 with Original Baguette Diamonds

Cartier White Gold Tortue Ref. WGTO0003 with Original Baguette Diamonds

$55,000 USD
 
Cartier - Cartier Steel and Gold Santos Ref. 2961 with Original Paper - The Keystone Watches

Cartier Steel and Gold Santos Ref. 2961 with Original Paper

Cartier Steel and Gold Santos Ref. 2961 with Original Paper

$9,500 USD
 
Cartier - Cartier Yellow Gold Diamond Cover Watch - The Keystone Watches

Cartier Yellow Gold Diamond Cover Watch

Cartier Yellow Gold Diamond Cover Watch

$25,000 USD
 
Cartier - Cartier White Gold Baignoire Allongee with Diamond and Sapphire Pave Dial Ref. 2514 - The Keystone Watches

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 Paris White Gold Diamond Tank Watch, Movement by Vacheron Constantin

Cartier Paris White Gold Diamond Tank Watch, Movement by Vacheron Constantin

$37,500 USD
 
Cartier - Cartier Two-Tone Vendome Ref. 78209 - The Keystone Watches

Cartier Two-Tone Vendome Ref. 78209

Cartier Two-Tone Vendome Ref. 78209

$7,500 USD
 
Cartier - Cartier Yellow Gold Tank Louis Ref. 1612 on Yellow Gold Bracelet - The Keystone Watches

Cartier Yellow Gold Tank Louis Ref. 1612 on Yellow Gold Bracelet

Cartier Yellow Gold Tank Louis Ref. 1612 on Yellow Gold Bracelet

$26,500 USD
 
Cartier - Cartier Yellow Gold Tank Trapeze Watch - The Keystone Watches

Cartier Yellow Gold Tank Trapeze Watch

Cartier Yellow Gold Tank Trapeze Watch

$12,000 USD
 
Cartier - Cartier Yellow Gold Mystery Pocket Watch - The Keystone Watches

Cartier Yellow Gold Mystery Pocket Watch

Cartier Yellow Gold Mystery Pocket Watch

$36,000 USD
 
Cartier - Cartier Yellow Gold Tank Cintree, Circa 1966 - The Keystone Watches

Cartier Yellow Gold Tank Cintree, Circa 1966

Cartier Yellow Gold Tank Cintree, Circa 1966

$18,500 USD
 

Cartier Yellow Gold Large Tank Cintree, Circa 1960s

Cartier Yellow Gold Large Tank Cintree, Circa 1960s

$120,000 USD
 
Cartier Yellow Gold Diamond and Tourmaline Vintage Watch

Cartier Yellow Gold Diamond and Tourmaline Vintage Watch

Cartier Yellow Gold Diamond and Tourmaline Vintage Watch

$29,000 USD
 
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

$17,000 USD
 

Cartier Yellow Gold Collection Prive Baignoire Allongee from 1991

Cartier Yellow Gold Collection Prive Baignoire Allongee from 1991

$73,000 USD
 
Cartier - Cartier Yellow Gold Pasha de Cartier Prongeur Ref. 2111 - The Keystone Watches

Cartier Yellow Gold Pasha de Cartier Prongeur Ref. 2111

Cartier Yellow Gold Pasha de Cartier Prongeur Ref. 2111

$19,500 USD
 
Cartier White Gold Skeleton Tank Louis Ref. W5310012

Cartier White Gold Skeleton Tank Louis Ref. W5310012

Cartier White Gold Skeleton Tank Louis Ref. W5310012

$54,000 USD
 
Cartier - Cartier Yellow Gold London Travel Clock in Original Box, 1960 (Objet) - The Keystone Watches

Cartier Yellow Gold London Travel Clock in Original Box, 1960 (Objet)

Cartier Yellow Gold London Travel Clock in Original Box, 1960 (Objet)

$29,500 USD
 
Cartier - Cartier White Gold Large Model Tank Francaise Ref. WE100351 - The Keystone Watches

Cartier White Gold Large Model Tank Francaise Ref. WE100351

Cartier White Gold Large Model Tank Francaise Ref. WE100351

$13,500 USD
 
Cartier - Cartier Yellow Gold Vintage Ronde Ref. 78248 - The Keystone Watches

Cartier Yellow Gold Vintage Ronde Ref. 78248

Cartier Yellow Gold Vintage Ronde Ref. 78248

$6,000 USD
 
Cartier Yellow Gold Colisee with Factory Original Diamonds

Cartier Yellow Gold Colisee with Factory Original Diamonds

Cartier Yellow Gold Colisee with Factory Original Diamonds

$19,000 USD
 
Cartier - Cartier Yellow Gold Cristallor Faberge Ref. 78096 - The Keystone Watches

Cartier Yellow Gold Cristallor Faberge Ref. 78096

Cartier Yellow Gold Cristallor Faberge Ref. 78096

$29,500 USD
 
Cartier - Cartier Yellow Gold Coin Watch in Original Box, Circa 1930 - The Keystone Watches

Cartier Yellow Gold Coin Watch in Original Box, Circa 1930

Cartier Yellow Gold Coin Watch in Original Box, Circa 1930

$25,000 USD
 

Cartier Two-Tone Santos Dumont Ref. 78226

Cartier Two-Tone Santos Dumont Ref. 78226

$11,000 USD
 

Cartier Yellow Gold Tank Watch, European Watch & Clock from 1959

Cartier Yellow Gold Tank Watch, European Watch & Clock from 1959

$15,000 USD
 
Cartier - Cartier Breguet and Roman Numeral Pocket Watch with EWC Movement - The Keystone Watches

Cartier Breguet and Roman Numeral Pocket Watch with EWC Movement

Cartier Breguet and Roman Numeral Pocket Watch with EWC Movement

$7,500 USD
 

Cartier Yellow Gold Pocket Watch, European Watch & Clock Movement

Cartier Yellow Gold Pocket Watch, European Watch & Clock Movement

$6,500 USD
 
Cartier - Cartier Rose Gold Rotonde de Cartier Ref. W1556252 - The Keystone Watches

Cartier Rose Gold Rotonde de Cartier Ref. W1556252

Cartier Rose Gold Rotonde de Cartier Ref. W1556252

$13,500 USD
 
Cartier - Cartier Rose Gold Flying Tourbillon Watch Ref W1580046 - The Keystone Watches

Cartier Rose Gold Flying Tourbillon Watch Ref W1580046

Cartier Rose Gold Flying Tourbillon Watch Ref W1580046

$58,000 USD
New Arrivals Preview
 
Patek Philippe - Patek Philippe Steel Backwind Ellipse Watch Ref. 3580 with Blue Dial (New Arrival) - The Keystone Watches

Patek Philippe Steel Backwind Ellipse Watch Ref. 3580 with Blue Dial (New Arrival)

Patek Philippe Steel Backwind Ellipse Watch Ref. 3580 with Blue Dial (New Arrival)

$14,000 USD
 
Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL)

Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL)

Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL)

$7,200 USD
 
Louis Vuitton - Louis Vuitton Green Ceramic Monterey II (New Arrival) - The Keystone Watches

Louis Vuitton Green Ceramic Monterey II (New Arrival)

Louis Vuitton Green Ceramic Monterey II (New Arrival)

$8,800 USD
 

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

$17,750 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.

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