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Vacheron Constantin - Vacheron Constantin White Gold Automatic Watch (NEW ARRIVAL) - The Keystone Watches

Vacheron Constantin White Gold Automatic Watch (NEW ARRIVAL)

Vacheron Constantin White Gold Automatic Watch (NEW ARRIVAL)

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140

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

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 3940

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Vacheron Constantin - Vacheron Constantin Pink Gold Pocket Watch - The Keystone Watches

Vacheron Constantin Pink Gold Pocket Watch

Vacheron Constantin Pink Gold Pocket Watch

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Patek Philippe - Patek Philippe White Gold World Time Watch Ref. 5110G - The Keystone Watches

Patek Philippe White Gold World Time Watch Ref. 5110G

Patek Philippe White Gold World Time Watch Ref. 5110G

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

Patek Philippe Platinum World Time Watch Ref. 5130

Patek Philippe Platinum World Time Watch Ref. 5130

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

Rolex Platinum and Diamond Day-Date Ref. 18296

Rolex Platinum and Diamond Day-Date Ref. 18296

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Patek Philippe - Patek Philippe Yellow Gold Calatrava, Ref. 2526 Retailed by Serpico Y Laino - The Keystone Watches

Patek Philippe Yellow Gold Calatrava, Ref. 2526 Retailed by Serpico Y Laino

Patek Philippe Yellow Gold Calatrava, Ref. 2526 Retailed by Serpico Y Laino

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Audemars Piguet - Audemars Piguet Steel Royal Oak 50th Anniversary Ref. 26240ST - The Keystone Watches

Audemars Piguet Steel Royal Oak 50th Anniversary Ref. 26240ST

Audemars Piguet Steel Royal Oak 50th Anniversary Ref. 26240ST

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Rolex - Rolex Yellow Gold Day-Date Ref. 18038 with Blue Dial - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 18038 with Blue Dial

Rolex Yellow Gold Day-Date Ref. 18038 with Blue Dial

Sold Out

 
Patek Philippe - Patek Philippe White Gold Lapis Watch Ref. 3733 - The Keystone Watches

Patek Philippe White Gold Lapis Watch Ref. 3733

Patek Philippe White Gold Lapis Watch Ref. 3733

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IWC - IWC Yellow Gold Perpetual Calendar Tourbillon Da Vinci Ref. 3752 - The Keystone Watches

IWC Yellow Gold Perpetual Calendar Tourbillon Da Vinci Ref. 3752

IWC Yellow Gold Perpetual Calendar Tourbillon Da Vinci Ref. 3752

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Rolex - Rolex Cosmograph Daytona Aqua Blue Beach Watch Ref. 116519 - The Keystone Watches

Rolex Cosmograph Daytona Aqua Blue Beach Watch Ref. 116519

Rolex Cosmograph Daytona Aqua Blue Beach Watch Ref. 116519

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Rolex - Rolex Yellow Gold Day-Date Ref. 18038 with Wood Dial - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 18038 with Wood Dial

Rolex Yellow Gold Day-Date Ref. 18038 with Wood Dial

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Richard Mille - Richard Mille Rose Gold Tourbillon RM002 - The Keystone Watches

Richard Mille Rose Gold Tourbillon RM002

Richard Mille Rose Gold Tourbillon RM002

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Rolex - Rolex Yellow Gold Day Date Ref. 18238 (NEW ARRIVAL) - The Keystone Watches

Rolex Yellow Gold Day Date Ref. 18238 (NEW ARRIVAL)

Rolex Yellow Gold Day Date Ref. 18238 (NEW ARRIVAL)

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Audemars Piguet - Audemars Piguet Yellow Gold Vintage Watch Retailed by Gubelin (NEW ARRIVAL) - The Keystone Watches

Audemars Piguet Yellow Gold Vintage Watch Retailed by Gubelin (NEW ARRIVAL)

Audemars Piguet Yellow Gold Vintage Watch Retailed by Gubelin (NEW ARRIVAL)

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Cartier - Cartier Skeleton Rotonde de Cartier Skeleton Red Enamel Watch, One of 15 Ref. 4173 (NEW ARRIVAL) - The Keystone Watches

Cartier Skeleton Rotonde de Cartier Skeleton Red Enamel Watch, One of 15 Ref. 4173 (NEW ARRIVAL)

Cartier Skeleton Rotonde de Cartier Skeleton Red Enamel Watch, One of 15 Ref. 4173 (NEW ARRIVAL)

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Audemars Piguet - Audemars Piguet Platinum 150th Anniversary Tourbillon Watch Ref. 25964 - The Keystone Watches

Audemars Piguet Platinum 150th Anniversary Tourbillon Watch Ref. 25964

Audemars Piguet Platinum 150th Anniversary Tourbillon Watch Ref. 25964

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Cartier - Cartier CPCP White Gold Tank Monopoussoir Chronograph Ref. 3078 - The Keystone Watches

Cartier CPCP White Gold Tank Monopoussoir Chronograph Ref. 3078

Cartier CPCP White Gold Tank Monopoussoir Chronograph Ref. 3078

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Audemars Piguet - Audemars Piguet White Gold Moskow Perpetual Equation of Time Ref. 25934 - The Keystone Watches

Audemars Piguet White Gold Moskow Perpetual Equation of Time Ref. 25934

Audemars Piguet White Gold Moskow Perpetual Equation of Time Ref. 25934

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Patek Philippe - Patek Philippe Yellow Gold World Time Watch Ref. 5110 - The Keystone Watches

Patek Philippe Yellow Gold World Time Watch Ref. 5110

Patek Philippe Yellow Gold World Time Watch Ref. 5110

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.

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