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Patek Philippe ROLEX Audemars Piguet CARTIER OTHER (OMEGA, A. LANGE & SÖHNE, F.P. JOURNE, ETC.) Piaget
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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)

$125,000 USD
 
Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

$62,000 USD
 
Cartier Tank Normale Jumbo 10-Line, European Watch and Clock 1944

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 Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

$21,000 USD
 
Cartier Yellow Gold Pebble Watch Ref. WGPB0003

Cartier Yellow Gold Pebble Watch Ref. WGPB0003

Cartier Yellow Gold Pebble Watch Ref. WGPB0003

$170,000 USD
 
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
 
Patek Philippe Yellow Gold Golden Circle Ref. 3544 Retailed by Cartier

Patek Philippe Yellow Gold Golden Circle Ref. 3544 Retailed by Cartier

Patek Philippe Yellow Gold Golden Circle Ref. 3544 Retailed by Cartier

$30,000 USD
 
Cartier Platinum Salmon Dial Watch Ref. 1611

Cartier Platinum Salmon Dial Watch Ref. 1611

Cartier Platinum Salmon Dial Watch Ref. 1611

$35,000 USD
 
Cartier Platinum Tank Obus European Watch & Clock, 1926

Cartier Platinum Tank Obus European Watch & Clock, 1926

Cartier Platinum Tank Obus European Watch & Clock, 1926

$100,000 USD
 
Cartier Platinum Tortue Watch Ref. 2518D

Cartier Platinum Tortue Watch Ref. 2518D

Cartier Platinum Tortue Watch Ref. 2518D

$19,750 USD
 
Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel

$14,500 USD
 
Cartier - Cartier Chariot Cigarette Box from Cartier London  by Jacques Cartier (Objet) - The Keystone Watches

Cartier Chariot Cigarette Box from Cartier London by Jacques Cartier (Objet)

Cartier Chariot Cigarette Box from Cartier London by Jacques Cartier (Objet)

$9,500 USD
 
Cartier White Gold Tortue Ref. WGTO0003 with Original Baguette Diamonds

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 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 Paris White Gold Diamond Tank Watch, Movement by Vacheron Constantin - The Keystone Watches

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 Yellow Gold Tank Louis Ref. 1612 on Yellow Gold Bracelet

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 Yellow Gold Mystery Pocket Watch

Cartier Yellow Gold Mystery Pocket Watch

Cartier Yellow Gold Mystery Pocket Watch

$36,000 USD
 
Cartier Yellow Gold Large Tank Cintree, Circa 1960s

Cartier Yellow Gold Large Tank Cintree, Circa 1960s

Cartier Yellow Gold Large Tank Cintree, Circa 1960s

$120,000 USD
 
Cartier Yellow Gold London Travel Clock in Original Box, 1960 (Objet)

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 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 Yellow Gold Pocket Watch, European Watch & Clock Movement

Cartier Yellow Gold Pocket Watch, European Watch & Clock Movement

Cartier Yellow Gold Pocket Watch, European Watch & Clock Movement

$6,500 USD
 
Cartier Rose Gold Rotonde de Cartier Ref. W1556252

Cartier Rose Gold Rotonde de Cartier Ref. W1556252

Cartier Rose Gold Rotonde de Cartier Ref. W1556252

$13,500 USD
New Arrivals Preview
 
Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

$125,000 USD
 
Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

$62,000 USD
 
Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

$55,000 USD
 
Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

$21,000 USD
 
Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

$175,000 USD
 
Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

$70,000 USD
 
Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

$48,000 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.

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