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Cartier Platinum Ronde Louis Ref. W1528051 CPCP Collection

Cartier Platinum Ronde Louis Ref. W1528051 CPCP Collection

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Piaget - Piaget White Gold Emperador Diamond Ref. 9131 - The Keystone Watches

Piaget White Gold Emperador Diamond Ref. 9131

Piaget White Gold Emperador Diamond Ref. 9131

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Cartier White Gold Cintree Dual Time Watch Ref. 2767 with Chinese Characters

Cartier White Gold Cintree Dual Time Watch Ref. 2767 with Chinese Characters

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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

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Cartier Rose Gold Clash [Un]Limited Watch Ref. WGMB0003

Cartier Rose Gold Clash [Un]Limited Watch Ref. WGMB0003

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Cartier - Cartier Rose Gold Tank a Vis Dual Time Ref. 2594 - The Keystone Watches

Cartier Rose Gold Tank a Vis Dual Time Ref. 2594

Cartier Rose Gold Tank a Vis Dual Time Ref. 2594

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Girard Perregaux - Girard Perregaux Triple Platinum Minute Repeater - The Keystone Watches

Girard Perregaux Triple Platinum Minute Repeater

Girard Perregaux Triple Platinum Minute Repeater

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Laurent Ferrier - Laurent Ferrier Square Micro Rotor California Dial - The Keystone Watches

Laurent Ferrier Square Micro Rotor California Dial

Laurent Ferrier Square Micro Rotor California Dial

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Gevril - Gevril Stainless Steel Tribeca Ref. R004 - The Keystone Watches

Gevril Stainless Steel Tribeca Ref. R004

Gevril Stainless Steel Tribeca Ref. R004

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Philippe Dufour - Philippe Dufour Platinum Simplicity Watch - The Keystone Watches

Philippe Dufour Platinum Simplicity Watch

Philippe Dufour Platinum Simplicity Watch

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Cartier - Cartier White Gold Tank Watch - The Keystone Watches

Cartier White Gold Tank Watch

Cartier White Gold Tank Watch

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Cartier Yellow Gold Mechanical Watch

Cartier Yellow Gold Mechanical Watch

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Piaget - Piaget White Gold Diamond Watch, Retailed by Tiffany & Co. - The Keystone Watches

Piaget White Gold Diamond Watch, Retailed by Tiffany & Co.

Piaget White Gold Diamond Watch, Retailed by Tiffany & Co.

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A. Lange & Sohne - A. Lange & Sohne White Gold Annual Calendar Watch Ref. 330.026 - The Keystone Watches

A. Lange & Sohne White Gold Annual Calendar Watch Ref. 330.026

A. Lange & Sohne White Gold Annual Calendar Watch Ref. 330.026

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Cartier Yellow Gold Helm Gouvernail Watch

Cartier Yellow Gold Helm Gouvernail Watch

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Piaget - Piaget Yellow Gold TV Shaped Watch with Malachite Dial - The Keystone Watches

Piaget Yellow Gold TV Shaped Watch with Malachite Dial

Piaget Yellow Gold TV Shaped Watch with Malachite Dial

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Cartier - Cartier Yellow Gold Santos Ref. 78097 with Paris Dial - The Keystone Watches

Cartier Yellow Gold Santos Ref. 78097 with Paris Dial

Cartier Yellow Gold Santos Ref. 78097 with Paris Dial

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Piaget Yellow Gold and Opal Watch

Piaget Yellow Gold and Opal Watch

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Piaget - Piaget White Gold Diamond Watch Ref. 9131C4 - The Keystone Watches

Piaget White Gold Diamond Watch Ref. 9131C4

Piaget White Gold Diamond Watch Ref. 9131C4

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Piaget - Piaget White Gold Diamond Emperador Watch Ref. 9131C20 - The Keystone Watches

Piaget White Gold Diamond Emperador Watch Ref. 9131C20

Piaget White Gold Diamond Emperador Watch Ref. 9131C20

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Cartier - Cartier Yellow Gold Tank Obus Carree Watch Ref. 2380, CPCP Edition of 100 Pieces - The Keystone Watches

Cartier Yellow Gold Tank Obus Carree Watch Ref. 2380, CPCP Edition of 100 Pieces

Cartier Yellow Gold Tank Obus Carree Watch Ref. 2380, CPCP Edition of 100 Pieces

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Piaget - Piaget White Gold Pave Watch Ref. 9352H24 - The Keystone Watches

Piaget White Gold Pave Watch Ref. 9352H24

Piaget White Gold Pave Watch Ref. 9352H24

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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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