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Rolex - Rolex Platinum Day-Date Ref. 18296 - The Keystone Watches

Rolex Platinum Day-Date Ref. 18296

Rolex Platinum Day-Date Ref. 18296

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A. Lange & Sohne - A. Lange & Sohne White Gold Annual Calendar Watch Ref. 330.026 - The Keystone Watches

A. Lange & Sohne White Gold Annual Calendar Watch Ref. 330.026

A. Lange & Sohne White Gold Annual Calendar Watch Ref. 330.026

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Cartier Yellow Gold Helm Gouvernail Watch

Cartier Yellow Gold Helm Gouvernail Watch

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Vacheron Constantin Platinum & Gold Diamond Watch by George Lenfant

Vacheron Constantin Platinum & Gold Diamond Watch by George Lenfant

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Audemars Piguet - Audemars Piguet White Gold Watch Ref. 14579BC in Like New Condition - The Keystone Watches

Audemars Piguet White Gold Watch Ref. 14579BC in Like New Condition

Audemars Piguet White Gold Watch Ref. 14579BC in Like New Condition

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Rolex - Rolex Steel Paul Newman Daytona Ref. 6239 - The Keystone Watches

Rolex Steel Paul Newman Daytona Ref. 6239

Rolex Steel Paul Newman Daytona Ref. 6239

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Piaget - Piaget Yellow Gold TV Shaped Watch with Malachite Dial - The Keystone Watches

Piaget Yellow Gold TV Shaped Watch with Malachite Dial

Piaget Yellow Gold TV Shaped Watch with Malachite Dial

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Omega - Omega White Gold Constellation Automatic Bracelet Watch Ref. 8354 - The Keystone Watches

Omega White Gold Constellation Automatic Bracelet Watch Ref. 8354

Omega White Gold Constellation Automatic Bracelet Watch Ref. 8354

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Patek Philippe - Patek Philippe Rose Gold Nautilus Ruby Watch Ref. 5980 - The Keystone Watches

Patek Philippe Rose Gold Nautilus Ruby Watch Ref. 5980

Patek Philippe Rose Gold Nautilus Ruby Watch Ref. 5980

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Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5070, Single Sealed - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5070, Single Sealed

Patek Philippe Platinum Chronograph Watch Ref. 5070, Single Sealed

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Rolex - Rolex Rose Gold Cellini Ref. 50515 - The Keystone Watches

Rolex Rose Gold Cellini Ref. 50515

Rolex Rose Gold Cellini Ref. 50515

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Patek Philippe - Patek Philippe Platinum Split Seconds Chronograph Watch Ref. 5370 - The Keystone Watches

Patek Philippe Platinum Split Seconds Chronograph Watch Ref. 5370

Patek Philippe Platinum Split Seconds Chronograph Watch Ref. 5370

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Audemars Piguet - Audemars Piguet White Gold Bamboo - The Keystone Watches

Audemars Piguet White Gold Bamboo

Audemars Piguet White Gold Bamboo

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Cartier - Cartier Yellow Gold Santos Ref. 78097 with Paris Dial - The Keystone Watches

Cartier Yellow Gold Santos Ref. 78097 with Paris Dial

Cartier Yellow Gold Santos Ref. 78097 with Paris Dial

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Patek Philippe - Patek Philippe White Gold Bracelet Watch Ref. 3571 with Rare Textured Blue Dial - The Keystone Watches

Patek Philippe White Gold Bracelet Watch Ref. 3571 with Rare Textured Blue Dial

Patek Philippe White Gold Bracelet Watch Ref. 3571 with Rare Textured Blue Dial

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Patek Philippe - Patek Philippe White Gold Golden Ellipse Watch Ref. 3545 - The Keystone Watches

Patek Philippe White Gold Golden Ellipse Watch Ref. 3545

Patek Philippe White Gold Golden Ellipse Watch Ref. 3545

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Patek Philippe - Patek Philippe White Gold Mechanical Watch Ref. 3567 with Textured Blue Dial - The Keystone Watches

Patek Philippe White Gold Mechanical Watch Ref. 3567 with Textured Blue Dial

Patek Philippe White Gold Mechanical Watch Ref. 3567 with Textured Blue Dial

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Audemars Piguet - Audemars Piguet White Gold Aventurine Watch - The Keystone Watches

Audemars Piguet White Gold Aventurine Watch

Audemars Piguet White Gold Aventurine Watch

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Patek Philippe Yellow Gold Calatrava Ref. 3440

Patek Philippe Yellow Gold Calatrava Ref. 3440

Patek Philippe Yellow Gold Calatrava Ref. 3440

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Piaget Yellow Gold and Opal Watch

Piaget Yellow Gold and Opal Watch

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Audemars Piguet - Audemars Piguet White Gold Bamboo with Sapphire Markers - The Keystone Watches

Audemars Piguet White Gold Bamboo with Sapphire Markers

Audemars Piguet White Gold Bamboo with Sapphire Markers

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Patek Philippe - Patek Philippe Yellow Gold Automatic Calatrava Ref. 3601 - The Keystone Watches

Patek Philippe Yellow Gold Automatic Calatrava Ref. 3601

Patek Philippe Yellow Gold Automatic Calatrava Ref. 3601

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New Arrivals Preview
 
Cartier Yellow Gold Pave Diamond Cover Watch (New Arrival)

Cartier Yellow Gold Pave Diamond Cover Watch (New Arrival)

Cartier Yellow Gold Pave Diamond Cover Watch (New Arrival)

$55,000 USD
 
Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

$14,000 USD
 
Rolex Yellow Gold Precision Buckle Bracelet Watch (New Arrival)

Rolex Yellow Gold Precision Buckle Bracelet Watch (New Arrival)

Rolex Yellow Gold Precision Buckle Bracelet Watch (New Arrival)

$19,500 USD
 
Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

$19,800 USD
 
Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

$16,000 USD
 
Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

$75,000 USD
 
Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

$30,000 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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