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Cartier Platinum Tonneau Salon Prive Ref. 2803 (New Arrival)

Cartier Platinum Tonneau Salon Prive Ref. 2803 (New Arrival)

Cartier Platinum Tonneau Salon Prive Ref. 2803 (New Arrival)

$26,500 USD
 
Cartier Platinum Tank Louis Extra-Flat Watch (New Arrival)

Cartier Platinum Tank Louis Extra-Flat Watch (New Arrival)

Cartier Platinum Tank Louis Extra-Flat Watch (New Arrival)

$95,000 USD
 
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 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 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 Platinum Salmon Dial Watch Ref. 1611

Cartier Platinum Salmon Dial Watch Ref. 1611

Cartier Platinum Salmon Dial Watch Ref. 1611

$35,000 USD
New Arrivals Preview
 
Patek Philippe Calatrava Yellow Gold Ref. 3919J (New Arrival)

Patek Philippe Calatrava Yellow Gold Ref. 3919J (New Arrival)

Patek Philippe Calatrava Yellow Gold Ref. 3919J (New Arrival)

$128,000 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
 
Patek Philippe White Gold Bracelet Watch Ref. 3430 (New Arrival)

Patek Philippe White Gold Bracelet Watch Ref. 3430 (New Arrival)

Patek Philippe White Gold Bracelet Watch Ref. 3430 (New Arrival)

$15,000 USD
 
Patek Philippe Yellow Gold Cioccolatone Watch Ref. 2486 (New Arrival)

Patek Philippe Yellow Gold Cioccolatone Watch Ref. 2486 (New Arrival)

Patek Philippe Yellow Gold Cioccolatone Watch Ref. 2486 (New Arrival)

$19,500 USD
 
Rolex Yellow and White Gold Cellini Ref. 4349 Bracelet Watch (New Arrival)

Rolex Yellow and White Gold Cellini Ref. 4349 Bracelet Watch (New Arrival)

Rolex Yellow and White Gold Cellini Ref. 4349 Bracelet Watch (New Arrival)

$18,000 USD
 
Vacheron Constantin White Gold Toledo Ref. 47300 (New Arrival)

Vacheron Constantin White Gold Toledo Ref. 47300 (New Arrival)

Vacheron Constantin White Gold Toledo Ref. 47300 (New Arrival)

$17,000 USD
 
Audemars Piguet Two Tone Royal Oak Ref. 56143SA (New Arrival)

Audemars Piguet Two Tone Royal Oak Ref. 56143SA (New Arrival)

Audemars Piguet Two Tone Royal Oak Ref. 56143SA (New Arrival)

$18,000 USD
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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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