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Cartier - Cartier White Gold Tank Manual-Wind Watch - The Keystone Watches

Cartier White Gold Tank Manual-Wind Watch

Cartier White Gold Tank Manual-Wind Watch

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Rolex - Rolex Yellow Gold GMT-Master II Diamond Ruby Watch Ref. 16718 - The Keystone Watches

Rolex Yellow Gold GMT-Master II Diamond Ruby Watch Ref. 16718

Rolex Yellow Gold GMT-Master II Diamond Ruby Watch Ref. 16718

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Rolex - Rolex Yellow Gold Day-Date Bark Finish Watch Ref. 18078 - The Keystone Watches

Rolex Yellow Gold Day-Date Bark Finish Watch Ref. 18078

Rolex Yellow Gold Day-Date Bark Finish Watch Ref. 18078

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Rolex - Rolex Yellow Gold Day-Date Blue Vignette Diamond Watch Ref. 18048 - The Keystone Watches

Rolex Yellow Gold Day-Date Blue Vignette Diamond Watch Ref. 18048

Rolex Yellow Gold Day-Date Blue Vignette Diamond Watch Ref. 18048

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Audemars Piguet - Audemars Piguet White Gold Automatic Bracelet Watch - The Keystone Watches

Audemars Piguet White Gold Automatic Bracelet Watch

Audemars Piguet White Gold Automatic Bracelet Watch

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Patek Philippe - Patek Philippe White Gold Automatic Watch Ref. 3525 - The Keystone Watches

Patek Philippe White Gold Automatic Watch Ref. 3525

Patek Philippe White Gold Automatic Watch Ref. 3525

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Rolex - Rolex White Gold Day-Date Watch Ref. 1803 with Original Warranty Paper - The Keystone Watches

Rolex White Gold Day-Date Watch Ref. 1803 with Original Warranty Paper

Rolex White Gold Day-Date Watch Ref. 1803 with Original Warranty Paper

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Omega - Omega Speedmaster Holy Grail Watch, Ref. 376.0822 - The Keystone Watches

Omega Speedmaster Holy Grail Watch, Ref. 376.0822

Omega Speedmaster Holy Grail Watch, Ref. 376.0822

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

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

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

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Rolex - Rolex R Series Explorer Stainless Steel Ref. 1016 - The Keystone Watches

Rolex R Series Explorer Stainless Steel Ref. 1016

Rolex R Series Explorer Stainless Steel Ref. 1016

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Audemars Piguet - Audemars Piguet Tantalum Royal Oak Watch Ref. 56175 - The Keystone Watches

Audemars Piguet Tantalum Royal Oak Watch Ref. 56175

Audemars Piguet Tantalum Royal Oak Watch Ref. 56175

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Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5066 - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5066

Patek Philippe Aquanaut Automatic Watch Ref. 5066

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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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Audemars Piguet - Audemars Piguet Royal Oak Jumbo Firrst Series Watch Ref. 15202 - The Keystone Watches

Audemars Piguet Royal Oak Jumbo Firrst Series Watch Ref. 15202

Audemars Piguet Royal Oak Jumbo Firrst Series Watch Ref. 15202

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Omega - Omega Yellow Gold Speedmaster Chronograph Watch - The Keystone Watches

Omega Yellow Gold Speedmaster Chronograph Watch

Omega Yellow Gold Speedmaster Chronograph Watch

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Patek Philippe - Patek Philippe White Gold Nautilus Diamond Watch Ref. 3800 - The Keystone Watches

Patek Philippe White Gold Nautilus Diamond Watch Ref. 3800

Patek Philippe White Gold Nautilus Diamond Watch Ref. 3800

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Rolex - Rolex Yellow Gold Veriflat Watch Ref. 6512, Retailed by Tiffany & Co. - The Keystone Watches

Rolex Yellow Gold Veriflat Watch Ref. 6512, Retailed by Tiffany & Co.

Rolex Yellow Gold Veriflat Watch Ref. 6512, Retailed by Tiffany & Co.

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

Audemars Piguet White Gold Automatic Watch

Audemars Piguet White Gold Automatic Watch

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Rolex - Rolex Date Black Gilt Watch Ref. 1501 - The Keystone Watches

Rolex Date Black Gilt Watch Ref. 1501

Rolex Date Black Gilt Watch Ref. 1501

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Rolex - Rolex Steel Red Submariner Watch Ref. 1680 With Original Papers - The Keystone Watches

Rolex Steel Red Submariner Watch Ref. 1680 With Original Papers

Rolex Steel Red Submariner Watch Ref. 1680 With Original Papers

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A. Lange & Sohne - A. Lange & Sohne White Gold Cabaret Soiree Diamond Watch, Ref. 868.032 - The Keystone Watches

A. Lange & Sohne White Gold Cabaret Soiree Diamond Watch, Ref. 868.032

A. Lange & Sohne White Gold Cabaret Soiree Diamond Watch, Ref. 868.032

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Audemars Piguet - Audemars Piguet Ultra-Thin Royal Oak Jumbo Automatic Watch, Ref. 15202 - The Keystone Watches

Audemars Piguet Ultra-Thin Royal Oak Jumbo Automatic Watch, Ref. 15202

Audemars Piguet Ultra-Thin Royal Oak Jumbo Automatic Watch, Ref. 15202

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New Arrivals Preview
 
Rolex Yellow Gold Day-Date Green Stella Watch Ref. 18038 (New Arrival)

Rolex Yellow Gold Day-Date Green Stella Watch Ref. 18038 (New Arrival)

Rolex Yellow Gold Day-Date Green Stella Watch Ref. 18038 (New Arrival)

$98,500 USD
 
Boucheron Yellow Gold Lapis Watch in Original Fitted Box (New Arrival)

Boucheron Yellow Gold Lapis Watch in Original Fitted Box (New Arrival)

Boucheron Yellow Gold Lapis Watch in Original Fitted Box (New Arrival)

$10,500 USD
 
Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers (New Arrival)

$15,000 USD
 
Patek Philippe Pink Gold Tachymeter Chronograph Watch Ref. 1579 (New Arrival)

Patek Philippe Pink Gold Tachymeter Chronograph Watch Ref. 1579 (New Arrival)

Patek Philippe Pink Gold Tachymeter Chronograph Watch Ref. 1579 (New Arrival)

$200,000 USD
 
Cartier Platinum Onyx & Diamond Watch, 1910 (New Arrival)

Cartier Platinum Onyx & Diamond Watch, 1910 (New Arrival)

Cartier Platinum Onyx & Diamond Watch, 1910 (New Arrival)

$18,500 USD
 
Patek Philippe Yellow Gold Calatrava Watch Ref. 2532 (New Arrival)

Patek Philippe Yellow Gold Calatrava Watch Ref. 2532 (New Arrival)

Patek Philippe Yellow Gold Calatrava Watch Ref. 2532 (New Arrival)

$33,000 USD
 
Audemars Piguet White Gold Bracelet Watch with Pave Diamond & Sapphire Dial (New Arrival)

Audemars Piguet White Gold Bracelet Watch with Pave Diamond & Sapphire Dial (New Arrival)

Audemars Piguet White Gold Bracelet Watch with Pave Diamond & Sapphire Dial (New Arrival)

$28,000 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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