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Bulgari - Bulgari Platinum Tourbillon Watch - The Keystone Watches

Bulgari Platinum Tourbillon Watch

Bulgari Platinum Tourbillon Watch

Sold Out

 
Patek Philippe - Patek Philippe Steel Calatrava Ref. 3418 - The Keystone Watches

Patek Philippe Steel Calatrava Ref. 3418

Patek Philippe Steel Calatrava Ref. 3418

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Audemars Piguet - Audemars Piguet Platinum Watch - The Keystone Watches

Audemars Piguet Platinum Watch

Audemars Piguet Platinum Watch

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Patek Philippe - Patek Philippe Yellow Gold Calatrava ref 3893 with Cream Tiffany & Co. Dial - The Keystone Watches

Patek Philippe Yellow Gold Calatrava ref 3893 with Cream Tiffany & Co. Dial

Patek Philippe Yellow Gold Calatrava ref 3893 with Cream Tiffany & Co. Dial

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Cartier White Gold Rotonde Mystery Ref. W1556224

Cartier White Gold Rotonde Mystery Ref. W1556224

Sold Out

 
Piaget - Piaget Yellow Gold Gouverneur Triple Calendar Ref. 15958 with Rare Textured Dial - The Keystone Watches

Piaget Yellow Gold Gouverneur Triple Calendar Ref. 15958 with Rare Textured Dial

Piaget Yellow Gold Gouverneur Triple Calendar Ref. 15958 with Rare Textured Dial

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Rolex - Rolex Steel Oyster Perpetual Date ref 1530 - The Keystone Watches

Rolex Steel Oyster Perpetual Date ref 1530

Rolex Steel Oyster Perpetual Date ref 1530

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Breguet - Breguet Yellow Gold Classique Minute Repeater ref. 3637 - The Keystone Watches

Breguet Yellow Gold Classique Minute Repeater ref. 3637

Breguet Yellow Gold Classique Minute Repeater ref. 3637

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Ref 5140 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Ref 5140

Patek Philippe Platinum Perpetual Calendar Ref 5140

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Vacheron Constantin - Vacheron Constantin Steel Automatic Watch - The Keystone Watches

Vacheron Constantin Steel Automatic Watch

Vacheron Constantin Steel Automatic Watch

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Patek Philippe Yellow Gold Calatrava Watch Ref. 3445, Retailed by Gubelin

Patek Philippe Yellow Gold Calatrava Watch Ref. 3445, Retailed by Gubelin

Sold Out

 
Audemars Piguet - Audemars Piguet Platinum Dual Time Ref 25685 - The Keystone Watches

Audemars Piguet Platinum Dual Time Ref 25685

Audemars Piguet Platinum Dual Time Ref 25685

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Audemars Piguet - Audemars Piguet Rose Gold Huitieme Ref 25644 - The Keystone Watches

Audemars Piguet Rose Gold Huitieme Ref 25644

Audemars Piguet Rose Gold Huitieme Ref 25644

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Patek Philippe - Patek Philippe Steel Ref. 3579 - The Keystone Watches

Patek Philippe Steel Ref. 3579

Patek Philippe Steel Ref. 3579

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Piaget - Piaget Yellow Gold Onyx Diamond ref 9795A6 retailed by Van Cleef & Arpels - The Keystone Watches

Piaget Yellow Gold Onyx Diamond ref 9795A6 retailed by Van Cleef & Arpels

Piaget Yellow Gold Onyx Diamond ref 9795A6 retailed by Van Cleef & Arpels

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Patek Philippe - Patek Philippe Yellow Gold Ellipse Ref 3738 - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Ref 3738

Patek Philippe Yellow Gold Ellipse Ref 3738

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Cartier Platinum Tank Cintree Ref. 4124

Cartier Platinum Tank Cintree Ref. 4124

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Patek Philippe - Patek Philippe Rose Gold Pilot Ref. 5524R - The Keystone Watches

Patek Philippe Rose Gold Pilot Ref. 5524R

Patek Philippe Rose Gold Pilot Ref. 5524R

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Chrono Diamond Watch Ref. 26315 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Chrono Diamond Watch Ref. 26315

Audemars Piguet Rose Gold Royal Oak Chrono Diamond Watch Ref. 26315

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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Saxonia 1st Series Solid Back Watch Ref. 102.002 - The Keystone Watches

A. Lange & Sohne Yellow Gold Saxonia 1st Series Solid Back Watch Ref. 102.002

A. Lange & Sohne Yellow Gold Saxonia 1st Series Solid Back Watch Ref. 102.002

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Cartier - Cartier Platinum Ronde Louis Ref. W1528051 CPCP Collection - The Keystone Watches

Cartier Platinum Ronde Louis Ref. W1528051 CPCP Collection

Cartier Platinum Ronde Louis Ref. W1528051 CPCP Collection

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Rolex - Rolex Yellow Gold Paul Newman Daytona Lemon Watch Ref. 6264 - The Keystone Watches

Rolex Yellow Gold Paul Newman Daytona Lemon Watch Ref. 6264

Rolex Yellow Gold Paul Newman Daytona Lemon Watch Ref. 6264

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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
 
Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

$48,000 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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