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Patek Philippe - Patek Philippe White Gold Nautilus Moonphase Watch Ref. 5712 - The Keystone Watches

Patek Philippe White Gold Nautilus Moonphase Watch Ref. 5712

Patek Philippe White Gold Nautilus Moonphase Watch Ref. 5712

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Rolex - Rolex Datejust Sodalite Diamond Watch Ref. 16234, with Original Paper - The Keystone Watches

Rolex Datejust Sodalite Diamond Watch Ref. 16234, with Original Paper

Rolex Datejust Sodalite Diamond Watch Ref. 16234, with Original Paper

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Vacheron Constantin - Vacheron Constantin Rose Gold Overseas Dual Time Power Reserve Watch Ref. 47450 - The Keystone Watches

Vacheron Constantin Rose Gold Overseas Dual Time Power Reserve Watch Ref. 47450

Vacheron Constantin Rose Gold Overseas Dual Time Power Reserve Watch Ref. 47450

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Rolex - Rolex White Gold GMT-Master Ice Watch Ref. 116769 - The Keystone Watches

Rolex White Gold GMT-Master Ice Watch Ref. 116769

Rolex White Gold GMT-Master Ice Watch Ref. 116769

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 5039 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 5039

Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 5039

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Rolex - Rolex Yellow Gold Cosmograph Daytona Mother of Pearl Watch Ref. 116518 - The Keystone Watches

Rolex Yellow Gold Cosmograph Daytona Mother of Pearl Watch Ref. 116518

Rolex Yellow Gold Cosmograph Daytona Mother of Pearl Watch Ref. 116518

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Rolex - Rolex Platinum Day-Date Masterpiece Baguette Diamond Watch Ref. 18946 - The Keystone Watches

Rolex Platinum Day-Date Masterpiece Baguette Diamond Watch Ref. 18946

Rolex Platinum Day-Date Masterpiece Baguette Diamond Watch Ref. 18946

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Rolex - Rolex GMT-Master II Ceramic Pepsi Watch Ref. 126710 - The Keystone Watches

Rolex GMT-Master II Ceramic Pepsi Watch Ref. 126710

Rolex GMT-Master II Ceramic Pepsi Watch Ref. 126710

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Rolex - Rolex White Gold Cosmograph Daytona Watch Ref. 116519 - The Keystone Watches

Rolex White Gold Cosmograph Daytona Watch Ref. 116519

Rolex White Gold Cosmograph Daytona Watch Ref. 116519

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Rolex - Rolex Cosmograph Daytona Watch Ref. 116520 with Original Box and Papers - The Keystone Watches

Rolex Cosmograph Daytona Watch Ref. 116520 with Original Box and Papers

Rolex Cosmograph Daytona Watch Ref. 116520 with Original Box and Papers

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Cartier - Cartier White Gold Rotonde Astrotourbillon Watch Ref. W1556204 - The Keystone Watches

Cartier White Gold Rotonde Astrotourbillon Watch Ref. W1556204

Cartier White Gold Rotonde Astrotourbillon Watch Ref. W1556204

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Patek Philippe - Patek Philippe White Gold Annual Calendar Watch Ref. 5146 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Watch Ref. 5146

Patek Philippe White Gold Annual Calendar Watch Ref. 5146

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Ultra-Thin Watch Ref. 15202 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Ultra-Thin Watch Ref. 15202

Audemars Piguet Rose Gold Royal Oak Ultra-Thin Watch Ref. 15202

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Patek Philippe - Patek Philippe Nautilus Moonphase Calendar Ref. 5726, Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Nautilus Moonphase Calendar Ref. 5726, Retailed by Tiffany & Co.

Patek Philippe Nautilus Moonphase Calendar Ref. 5726, Retailed by Tiffany & Co.

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Rolex - Rolex Cosmograph Daytona Diamond & Sapphire Watch Ref. 116599 - The Keystone Watches

Rolex Cosmograph Daytona Diamond & Sapphire Watch Ref. 116599

Rolex Cosmograph Daytona Diamond & Sapphire Watch Ref. 116599

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Rolex - Rolex Yellow Gold Daytona Baguette Diamond Watch Ref. 116568 - The Keystone Watches

Rolex Yellow Gold Daytona Baguette Diamond Watch Ref. 116568

Rolex Yellow Gold Daytona Baguette Diamond Watch Ref. 116568

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Rolex - Rolex Yellow Gold Submariner Ceramic Watch Ref. 116618 - The Keystone Watches

Rolex Yellow Gold Submariner Ceramic Watch Ref. 116618

Rolex Yellow Gold Submariner Ceramic Watch Ref. 116618

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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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Patek Philippe - Patek Philippe Yellow Gold World Time Watch Ref. 5110, Made for Doha, Qatar - The Keystone Watches

Patek Philippe Yellow Gold World Time Watch Ref. 5110, Made for Doha, Qatar

Patek Philippe Yellow Gold World Time Watch Ref. 5110, Made for Doha, Qatar

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Cartier - Cartier Platinum Tank Classic Watch - The Keystone Watches

Cartier Platinum Tank Classic Watch

Cartier Platinum Tank Classic Watch

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Rolex - Rolex Yellow Gold Cosmograph Daytona Watch Ref. 116518 - The Keystone Watches

Rolex Yellow Gold Cosmograph Daytona Watch Ref. 116518

Rolex Yellow Gold Cosmograph Daytona Watch Ref. 116518

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Audemars Piguet - Audemars Piguet Royal Oak Ultra-Thin Perpetual Calendar Watch - The Keystone Watches

Audemars Piguet Royal Oak Ultra-Thin Perpetual Calendar Watch

Audemars Piguet Royal Oak Ultra-Thin Perpetual Calendar Watch

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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.

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