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Patek Philippe - Patek Philippe White Gold Celestial Watch Ref. 5102, Unworn - The Keystone Watches

Patek Philippe White Gold Celestial Watch Ref. 5102, Unworn

Patek Philippe White Gold Celestial Watch Ref. 5102, Unworn

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Ref. 5041 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Ref. 5041

Patek Philippe White Gold Perpetual Calendar Ref. 5041

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Daniel Roth - Daniel Roth Tourbillon, Retrograde Skeleton, Chronograph, Three Watch Set - The Keystone Watches

Daniel Roth Tourbillon, Retrograde Skeleton, Chronograph, Three Watch Set

Daniel Roth Tourbillon, Retrograde Skeleton, Chronograph, Three Watch Set

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Patek Philippe - Patek Philippe White Gold Perpetual Hand-Engraved Watch Ref. 5160 - The Keystone Watches

Patek Philippe White Gold Perpetual Hand-Engraved Watch Ref. 5160

Patek Philippe White Gold Perpetual Hand-Engraved Watch Ref. 5160

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013

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Omega - Omega Speedmaster Automatic Chronograph Watch Ref. 3510.82 - The Keystone Watches

Omega Speedmaster Automatic Chronograph Watch Ref. 3510.82

Omega Speedmaster Automatic Chronograph Watch Ref. 3510.82

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Cartier - Cartier Platinum Tank Mechanical Watch - The Keystone Watches

Cartier Platinum Tank Mechanical Watch

Cartier Platinum Tank Mechanical Watch

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

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Patek Philippe - Patek Philippe White Gold World Time Watch Ref. 5130 - The Keystone Watches

Patek Philippe White Gold World Time Watch Ref. 5130

Patek Philippe White Gold World Time Watch Ref. 5130

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Rolex - Rolex Yellow Gold Cosmograph Daytona R-Serial Watch Ref. 6265 - The Keystone Watches

Rolex Yellow Gold Cosmograph Daytona R-Serial Watch Ref. 6265

Rolex Yellow Gold Cosmograph Daytona R-Serial Watch Ref. 6265

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Rolex - Rolex White Gold Day-Date Watch Ref. 1803 - The Keystone Watches

Rolex White Gold Day-Date Watch Ref. 1803

Rolex White Gold Day-Date Watch Ref. 1803

Sold Out

 
Audemars Piguet - Audemars Piguet Yellow Gold Day-Date Watch - The Keystone Watches

Audemars Piguet Yellow Gold Day-Date Watch

Audemars Piguet Yellow Gold Day-Date Watch

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Vacheron Constantin - Vacheron Constantin White Gold Royal Chronometer Automatic Watch - The Keystone Watches

Vacheron Constantin White Gold Royal Chronometer Automatic Watch

Vacheron Constantin White Gold Royal Chronometer Automatic Watch

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Rolex - Rolex Explorer II Watch Ref. 16570, Retailed by Tiffany & Co. - The Keystone Watches

Rolex Explorer II Watch Ref. 16570, Retailed by Tiffany & Co.

Rolex Explorer II Watch Ref. 16570, Retailed by Tiffany & Co.

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Cartier - Cartier Platinum Baignoire Watch, 1960 - The Keystone Watches

Cartier Platinum Baignoire Watch, 1960

Cartier Platinum Baignoire Watch, 1960

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A. Lange & Sohne - A. Lange & Sohne Platinum Datograph Baguette Diamond Up Down Watch Ref. 405.835 - The Keystone Watches

A. Lange & Sohne Platinum Datograph Baguette Diamond Up Down Watch Ref. 405.835

A. Lange & Sohne Platinum Datograph Baguette Diamond Up Down Watch Ref. 405.835

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Vacheron Constantin - Vacheron Constantin Cioccolatone Yellow Gold Watch Ref. 4737 with Archive Paper - The Keystone Watches

Vacheron Constantin Cioccolatone Yellow Gold Watch Ref. 4737 with Archive Paper

Vacheron Constantin Cioccolatone Yellow Gold Watch Ref. 4737 with Archive Paper

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A. Lange & Sohne - A. Lange & Sohne White Gold Pour Le Merite Watch Ref. 260.028 - The Keystone Watches

A. Lange & Sohne White Gold Pour Le Merite Watch Ref. 260.028

A. Lange & Sohne White Gold Pour Le Merite Watch Ref. 260.028

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5074, Unworn Condition - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5074, Unworn Condition

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5074, Unworn Condition

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Audemars Piguet - Audemars Piguet Royal Oak Offshore Chronograph Watch Ref. 26480 - The Keystone Watches

Audemars Piguet Royal Oak Offshore Chronograph Watch Ref. 26480

Audemars Piguet Royal Oak Offshore Chronograph Watch Ref. 26480

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Patek Philippe - Patek Philippe White Gold Nautilus Baguette Diamond Watch Ref. 5990, Special Edition - The Keystone Watches

Patek Philippe White Gold Nautilus Baguette Diamond Watch Ref. 5990, Special Edition

Patek Philippe White Gold Nautilus Baguette Diamond Watch Ref. 5990, Special Edition

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Patek Philippe - Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074, Complete and Unworn - The Keystone Watches

Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074, Complete and Unworn

Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074, Complete and Unworn

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
 
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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