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A. Lange & Sohne - A Lange and Sohne Platinum Lange 1 Ref. 101.025 - The Keystone Watches

A Lange and Sohne Platinum Lange 1 Ref. 101.025

A Lange and Sohne Platinum Lange 1 Ref. 101.025

Sold Out

 
Patek Philippe - Patek Philippe Steel Aquanaut Ref. 5066 with Box and Papers (New Arrival) - The Keystone Watches

Patek Philippe Steel Aquanaut Ref. 5066 with Box and Papers (New Arrival)

Patek Philippe Steel Aquanaut Ref. 5066 with Box and Papers (New Arrival)

Sold Out

 
Rolex - Rolex White Gold Yacht-Master Ref. 226679TBR - The Keystone Watches

Rolex White Gold Yacht-Master Ref. 226679TBR

Rolex White Gold Yacht-Master Ref. 226679TBR

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Patek Philippe - Patek Philippe White Gold World Time Enamel Watch Ref. 5231 - The Keystone Watches

Patek Philippe White Gold World Time Enamel Watch Ref. 5231

Patek Philippe White Gold World Time Enamel Watch Ref. 5231

Sold Out

 
Rolex - Rolex Steel Daytona Ref. 116520 - The Keystone Watches

Rolex Steel Daytona Ref. 116520

Rolex Steel Daytona Ref. 116520

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Rolex - Rolex Yellow Gold Day-Date Ref. 218398R with Baguette Diamonds - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 218398R with Baguette Diamonds

Rolex Yellow Gold Day-Date Ref. 218398R with Baguette Diamonds

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Patek Philippe - Patek Philippe Platinum World Time Ref. 5130, Dubai Edition - The Keystone Watches

Patek Philippe Platinum World Time Ref. 5130, Dubai Edition

Patek Philippe Platinum World Time Ref. 5130, Dubai Edition

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Patek Philippe - Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960 with Original Box and Papers - The Keystone Watches

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960 with Original Box and Papers

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960 with Original Box and Papers

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Patek Philippe - Patek Philippe Yellow Gold Chronograph Ref. 3970, Fourth Series - The Keystone Watches

Patek Philippe Yellow Gold Chronograph Ref. 3970, Fourth Series

Patek Philippe Yellow Gold Chronograph Ref. 3970, Fourth Series

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5074, Single Sealed - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5074, Single Sealed

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5074, Single Sealed

"Price upon request"
 
Richard Mille Titanium Watch Ref. RM037

Richard Mille Titanium Watch Ref. RM037

Richard Mille Titanium Watch Ref. RM037

Sold Out

 

Patek Philippe Yellow Gold Ellipse Ref. 3738

Patek Philippe Yellow Gold Ellipse Ref. 3738

Sold Out

 

Patek Philippe Yellow Gold Aquanaut Ref. 5065

Patek Philippe Yellow Gold Aquanaut Ref. 5065

Sold Out

 

Patek Philippe Rose Gold Perpetual Calendar Split Seconds Chronograph Watch Ref. 5204

Patek Philippe Rose Gold Perpetual Calendar Split Seconds Chronograph Watch Ref. 5204

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Audemars Piguet - Audemars Piguet Ladies White Gold Skeleton Watch Ref. 77176 - The Keystone Watches

Audemars Piguet Ladies White Gold Skeleton Watch Ref. 77176

Audemars Piguet Ladies White Gold Skeleton Watch Ref. 77176

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Patek Philippe - Patek Philippe White Gold Grand Complication Minute Repeater Watch Ref. 5213 - The Keystone Watches

Patek Philippe White Gold Grand Complication Minute Repeater Watch Ref. 5213

Patek Philippe White Gold Grand Complication Minute Repeater Watch Ref. 5213

Sold Out

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

Patek Philippe Platinum Perpetual Calendar Chronograph Ref. 5970

Patek Philippe Platinum Perpetual Calendar Chronograph Ref. 5970

Sold Out

 

Cartier Platinum Tank Asymmetric Ref. WGTA0042

Cartier Platinum Tank Asymmetric Ref. WGTA0042

Sold Out

 

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

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

Sold Out

 

Rolex Steel Sea Dweller SD4K Ref. 116600

Rolex Steel Sea Dweller SD4K Ref. 116600

Sold Out

 

Rolex Steel GMT Master II Ref. 116710LN in New Old Stock Condition

Rolex Steel GMT Master II Ref. 116710LN in New Old Stock Condition

Sold Out

 

Cartier Steel Santos Dumont Black Enamel Ref. WSSA0046

Cartier Steel Santos Dumont Black Enamel Ref. WSSA0046

Sold Out

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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
 
Breguet Platinum Skeleton Tourbillon Watch Ref. 3355 (New Arrival)

Breguet Platinum Skeleton Tourbillon Watch Ref. 3355 (New Arrival)

Breguet Platinum Skeleton Tourbillon Watch Ref. 3355 (New Arrival)

$67,500 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.

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