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Patek Philippe - Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960 - The Keystone Watches

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960

Sold Out

 
Vacheron Constantin - Vacheron Constantin Platinum Chronograph Ref. 49002 - The Keystone Watches

Vacheron Constantin Platinum Chronograph Ref. 49002

Vacheron Constantin Platinum Chronograph Ref. 49002

Sold Out

 
Patek Philippe - Patek Philippe Platinum and Emerald Perpetual Calendar Chronograph Watch Ref. 5271 - The Keystone Watches

Patek Philippe Platinum and Emerald Perpetual Calendar Chronograph Watch Ref. 5271

Patek Philippe Platinum and Emerald Perpetual Calendar Chronograph Watch Ref. 5271

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5270G-018 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5270G-018

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5270G-018

Sold Out

 
Breitling - Breitling Top Time Chronograph Watch Ref. 2002 - The Keystone Watches

Breitling Top Time Chronograph Watch Ref. 2002

Breitling Top Time Chronograph Watch Ref. 2002

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chronograph, Ref. 5270P - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chronograph, Ref. 5270P

Patek Philippe Platinum Perpetual Calendar Chronograph, Ref. 5270P

Sold Out

 
A. Lange & Sohne - A. Lange Sohne White Gold Flyback Chronograph Ref. 401.026 - The Keystone Watches

A. Lange Sohne White Gold Flyback Chronograph Ref. 401.026

A. Lange Sohne White Gold Flyback Chronograph Ref. 401.026

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970

Sold Out

 
Patek Philippe - Patek Philippe White Gold Chronograph Ref. 5170, Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe White Gold Chronograph Ref. 5170, Retailed by Tiffany & Co.

Patek Philippe White Gold Chronograph Ref. 5170, Retailed by Tiffany & Co.

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chronograph Fourth Series Ref. 2499 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Fourth Series Ref. 2499

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Fourth Series Ref. 2499

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 3970 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 3970

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 3970

Sold Out

 
Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Chronograph Ref. 26315OR - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Chronograph Ref. 26315OR

Audemars Piguet Rose Gold Royal Oak Chronograph Ref. 26315OR

Sold Out

 
Patek Philippe - Patek Philippe Tasti Tondi Chronograph Ref. 1463 - The Keystone Watches

Patek Philippe Tasti Tondi Chronograph Ref. 1463

Patek Philippe Tasti Tondi Chronograph Ref. 1463

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970

Sold Out

 
Patek Philippe - Patek Philippe Platinum Annual Calendar Chronograph Ref. 5961P - The Keystone Watches

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5961P

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5961P

Sold Out

 
Vacheron Constantin - Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4072 - The Keystone Watches

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4072

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4072

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Daniel Roth - Daniel Roth Steel Automatic Chronograph Watch - The Keystone Watches

Daniel Roth Steel Automatic Chronograph Watch

Daniel Roth Steel Automatic Chronograph Watch

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Audemars Piguet - Audemars Piguet Steel Royal Oak Chronograph Ref. 26300 - The Keystone Watches

Audemars Piguet Steel Royal Oak Chronograph Ref. 26300

Audemars Piguet Steel Royal Oak Chronograph Ref. 26300

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Daniel Roth - Daniel Roth Steel Automatic Chronograph Watch - The Keystone Watches

Daniel Roth Steel Automatic Chronograph Watch

Daniel Roth Steel Automatic Chronograph Watch

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne Rose Gold 1815 Flyback Chronograph Watch - The Keystone Watches

A. Lange & Sohne Rose Gold 1815 Flyback Chronograph Watch

A. Lange & Sohne Rose Gold 1815 Flyback Chronograph Watch

Sold Out

 
Daniel Roth - Daniel Roth Steel Automatic Chronograph Watch - The Keystone Watches

Daniel Roth Steel Automatic Chronograph Watch

Daniel Roth Steel Automatic Chronograph Watch

Sold Out

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New Arrivals Preview
 
Patek Philippe White Gold Perpetual Calendar Ref. 5940 (New Arrival)

Patek Philippe White Gold Perpetual Calendar Ref. 5940 (New Arrival)

Patek Philippe White Gold Perpetual Calendar Ref. 5940 (New Arrival)

$50,000 USD
 
Rolex Cosmograph Daytona Big Red Ref. 6265 Box and Papers (New Arrival)

Rolex Cosmograph Daytona Big Red Ref. 6265 Box and Papers (New Arrival)

Rolex Cosmograph Daytona Big Red Ref. 6265 Box and Papers (New Arrival)

$97,500 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
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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