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Cartier Paris Nephrite Clock, 1930

Cartier Paris Nephrite Clock, 1930

Cartier Paris Nephrite Clock, 1930

$25,000 USD
 
Piaget Yellow Gold Polo Ref. 7131 in Like New Condition Box and Papers

Piaget Yellow Gold Polo Ref. 7131 in Like New Condition Box and Papers

Piaget Yellow Gold Polo Ref. 7131 in Like New Condition Box and Papers

$25,000 USD
 
Cartier Platinum Tank Cintree Ref. 4124

Cartier Platinum Tank Cintree Ref. 4124

Cartier Platinum Tank Cintree Ref. 4124

Sold Out

 
Bulgari Yellow Gold Serpenti Watch, by Gerald Genta Circa 1970s

Bulgari Yellow Gold Serpenti Watch, by Gerald Genta Circa 1970s

Bulgari Yellow Gold Serpenti Watch, by Gerald Genta Circa 1970s

$75,000 USD
 
Cartier - Cartier Yellow Gold Maxi Oval Watch, 1967 - The Keystone Watches

Cartier Yellow Gold Maxi Oval Watch, 1967

Cartier Yellow Gold Maxi Oval Watch, 1967

$295,000 USD
 
Breguet Platinum Tourbillon Ref. 3657PT/12/9V6

Breguet Platinum Tourbillon Ref. 3657PT/12/9V6

Breguet Platinum Tourbillon Ref. 3657PT/12/9V6

$45,000 USD
 
Chopard White Gold Malachite Watch Ref. 5038

Chopard White Gold Malachite Watch Ref. 5038

Chopard White Gold Malachite Watch Ref. 5038

$16,000 USD
 
Cartier Platinum Tonneau Double Fuseau Ref. 2487, Macau Edition 1999

Cartier Platinum Tonneau Double Fuseau Ref. 2487, Macau Edition 1999

Cartier Platinum Tonneau Double Fuseau Ref. 2487, Macau Edition 1999

$37,000 USD
 
Cartier Yellow Gold Blue Enamel Secret Shutter Watch, European Watch & Clock

Cartier Yellow Gold Blue Enamel Secret Shutter Watch, European Watch & Clock

Cartier Yellow Gold Blue Enamel Secret Shutter Watch, European Watch & Clock

$36,500 USD
 
Cartier Yellow Gold Tank Mecanique Ref. WA300651 with Pave Case

Cartier Yellow Gold Tank Mecanique Ref. WA300651 with Pave Case

Cartier Yellow Gold Tank Mecanique Ref. WA300651 with Pave Case

$17,500 USD
 
Chopard Yellow Gold Tigers Eye Bracelet Watch Retailed by Laykin et Cie

Chopard Yellow Gold Tigers Eye Bracelet Watch Retailed by Laykin et Cie

Chopard Yellow Gold Tigers Eye Bracelet Watch Retailed by Laykin et Cie

Sold Out

 
Hublot White Gold MDM for the Sultan of Oman Ref. 1582.4.062

Hublot White Gold MDM for the Sultan of Oman Ref. 1582.4.062

Hublot White Gold MDM for the Sultan of Oman Ref. 1582.4.062

$34,000 USD
 
A. Lange & Sohne White Gold Little Lange 1 Ref. 813.044

A. Lange & Sohne White Gold Little Lange 1 Ref. 813.044

A. Lange & Sohne White Gold Little Lange 1 Ref. 813.044

Sold Out

 
Cartier Yellow Gold Cover Watch

Cartier Yellow Gold Cover Watch

Cartier Yellow Gold Cover Watch

$25,000 USD
 
Cartier Yellow Gold Tortue Paris Mecanique Ref. 96081

Cartier Yellow Gold Tortue Paris Mecanique Ref. 96081

Cartier Yellow Gold Tortue Paris Mecanique Ref. 96081

Sold Out

 
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
 
Boucheron - Boucheron Yellow Gold Lapis Watch in Original Fitted Box (New Arrival) - The Keystone Watches

Boucheron Yellow Gold Lapis Watch in Original Fitted Box (New Arrival)

Boucheron Yellow Gold Lapis Watch in Original Fitted Box (New Arrival)

$10,500 USD
 
Cartier Yellow Gold Tank, 1940s

Cartier Yellow Gold Tank, 1940s

Cartier Yellow Gold Tank, 1940s

$18,750 USD
 
A. Lange & Sohne - A. Lange & Sohne Platinum Saxonia Ref. 105.025 - The Keystone Watches

A. Lange & Sohne Platinum Saxonia Ref. 105.025

A. Lange & Sohne Platinum Saxonia Ref. 105.025

Sold Out

 
Cartier - Cartier Yellow Gold Cloisonne Rooster Tortue Ref. 2496 - The Keystone Watches

Cartier Yellow Gold Cloisonne Rooster Tortue Ref. 2496

Cartier Yellow Gold Cloisonne Rooster Tortue Ref. 2496

$54,000 USD
 
Cartier Yellow Gold Label Watch

Cartier Yellow Gold Label Watch

Cartier Yellow Gold Label Watch

$16,000 USD
 
Hublot Yellow Gold MDM Cloisonne Ship Cover Watch Ref. 1589.8

Hublot Yellow Gold MDM Cloisonne Ship Cover Watch Ref. 1589.8

Hublot Yellow Gold MDM Cloisonne Ship Cover Watch Ref. 1589.8

$28,000 USD
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New Arrivals Preview
 
Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

$38,000 USD
 
Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

$30,000 USD
 
Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

$60,000 USD
 
Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

$58,000 USD
 
Audemars Piguet - Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival) - The Keystone Watches

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

$18,000 USD
 
Cartier Yellow Gold Tank Normale Bracelet Watch  Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

$36,000 USD
 
Cartier - Cartier Yellow Gold Tank Reverso (New Arrival) - The Keystone Watches

Cartier Yellow Gold Tank Reverso (New Arrival)

Cartier Yellow Gold Tank Reverso (New Arrival)

$34,500 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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