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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

Sold Out

 
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

Sold Out

 
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

Sold Out

 
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

Sold Out

 
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

Sold Out

 
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.

Sold Out

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

Cartier Platinum Baignoire Watch, 1960

Cartier Platinum Baignoire Watch, 1960

Sold Out

 
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

Sold Out

 
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

Sold Out

 
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

Sold Out

 
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

Sold Out

 
Cartier - Cartier White Gold Baignoire Allongee Diamond Watch - The Keystone Watches

Cartier White Gold Baignoire Allongee Diamond Watch

Cartier White Gold Baignoire Allongee Diamond Watch

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Cartier - Cartier Yellow Gold Santos Automatic Diamond Watch - The Keystone Watches

Cartier Yellow Gold Santos Automatic Diamond Watch

Cartier Yellow Gold Santos Automatic Diamond Watch

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Audemars Piguet - Audemars Piguet Royal Oak Chronograph Watch Ref. 26331 - The Keystone Watches

Audemars Piguet Royal Oak Chronograph Watch Ref. 26331

Audemars Piguet Royal Oak Chronograph Watch Ref. 26331

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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

 
Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 570 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 570

Patek Philippe White Gold Calatrava Watch Ref. 570

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Audemars Piguet - Audemars Piguet Royal Oak Brown Dial Watch, Ref. 56175 - The Keystone Watches

Audemars Piguet Royal Oak Brown Dial Watch, Ref. 56175

Audemars Piguet Royal Oak Brown Dial Watch, Ref. 56175

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Automatic Watch - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Automatic Watch

Audemars Piguet Yellow Gold Royal Oak Automatic Watch

Sold Out

 
Audemars Piguet - Audemars Piguet Yellow Gold Skeleton Watch - The Keystone Watches

Audemars Piguet Yellow Gold Skeleton Watch

Audemars Piguet Yellow Gold Skeleton Watch

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New Arrivals Preview
 
Piaget Yellow Gold Textured Bracelet Watch with Enamel Markers (New Arrival)

Piaget Yellow Gold Textured Bracelet Watch with Enamel Markers (New Arrival)

Piaget Yellow Gold Textured Bracelet Watch with Enamel Markers (New Arrival)

$22,000 USD
 
Rolex Yellow Gold Day-Date Ref. 228398TRU (New Arrival)

Rolex Yellow Gold Day-Date Ref. 228398TRU (New Arrival)

Rolex Yellow Gold Day-Date Ref. 228398TRU (New Arrival)

$315,000 USD
 
Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

$15,500 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
 
Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

$9,200 USD
 
Patek Philippe Steel Sector Dial Pocket Watch, Circa 1921 (New Arrival)

Patek Philippe Steel Sector Dial Pocket Watch, Circa 1921 (New Arrival)

Patek Philippe Steel Sector Dial Pocket Watch, Circa 1921 (New Arrival)

$25,000 USD
 
Patek Philippe White Gold Ellipse Diamond Bracelet Ref. 4122 (New Arrival)

Patek Philippe White Gold Ellipse Diamond Bracelet Ref. 4122 (New Arrival)

Patek Philippe White Gold Ellipse Diamond Bracelet Ref. 4122 (New Arrival)

$46,000 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.

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