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Vacheron Constantin - Vacheron Constantin White Gold Vintage Automatic Watch - The Keystone Watches

Vacheron Constantin White Gold Vintage Automatic Watch

Vacheron Constantin White Gold Vintage Automatic Watch

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Rolex Steel GMT Master II Ref. 116710LN in New Old Stock Condition

Rolex Steel GMT Master II Ref. 116710LN in New Old Stock Condition

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Audemars Piguet White Gold Vintage Bracelet Watch Ref. 4647

Audemars Piguet White Gold Vintage Bracelet Watch Ref. 4647

Audemars Piguet White Gold Vintage Bracelet Watch Ref. 4647

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Audemars Piguet - Audemars Piguet Round Watch with Mirror Pave Dial - The Keystone Watches

Audemars Piguet Round Watch with Mirror Pave Dial

Audemars Piguet Round Watch with Mirror Pave Dial

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Audemars Piguet White Gold and Blue Round Marker Dial Watch

Audemars Piguet White Gold and Blue Round Marker Dial Watch

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Audemars Piguet Yellow Gold Bracelet Watch with Rare Striped Dial

Audemars Piguet Yellow Gold Bracelet Watch with Rare Striped Dial

Audemars Piguet Yellow Gold Bracelet Watch with Rare Striped Dial

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Cartier Yellow Gold Colisee with Factory Original Diamonds

Cartier Yellow Gold Colisee with Factory Original Diamonds

Cartier Yellow Gold Colisee with Factory Original Diamonds

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

Audemars Piguet White Gold Beaded Bracelet Watch

Audemars Piguet White Gold Beaded Bracelet Watch

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Patek Philippe White Gold Gondolo Ref. 3571 with Textured Blue Dial and JPE Bracelet

Patek Philippe White Gold Gondolo Ref. 3571 with Textured Blue Dial and JPE Bracelet

Patek Philippe White Gold Gondolo Ref. 3571 with Textured Blue Dial and JPE Bracelet

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Piaget Yellow Gold Cocktail Rope Watch Ref. 89612 with Diamond and Sapphires

Piaget Yellow Gold Cocktail Rope Watch Ref. 89612 with Diamond and Sapphires

Piaget Yellow Gold Cocktail Rope Watch Ref. 89612 with Diamond and Sapphires

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Cartier Steel Santos Dumont Black Enamel Ref. WSSA0046

Cartier Steel Santos Dumont Black Enamel Ref. WSSA0046

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Cartier Platinum Baignoire Mechanical Watch

Cartier Platinum Baignoire Mechanical Watch

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Piaget White Gold Lapis Watch Ref. 74101

Piaget White Gold Lapis Watch Ref. 74101

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Patek Philippe Steel Calatrava Ref. 3579 in Outstanding Original Condition

Patek Philippe Steel Calatrava Ref. 3579 in Outstanding Original Condition

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Rolex Rose Gold and Steel Vintage Datejust Ref. 1601 with Original Paper

Rolex Rose Gold and Steel Vintage Datejust Ref. 1601 with Original Paper

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Rolex Steel Zenith Daytona Ref. 16520

Rolex Steel Zenith Daytona Ref. 16520

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Rolex - Rolex Yellow Gold Day Date Ref. 18248 in Outstanding Original Condition - The Keystone Watches

Rolex Yellow Gold Day Date Ref. 18248 in Outstanding Original Condition

Rolex Yellow Gold Day Date Ref. 18248 in Outstanding Original Condition

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Rolex - Rolex White Gold Datejust Ref. 116139 - The Keystone Watches

Rolex White Gold Datejust Ref. 116139

Rolex White Gold Datejust Ref. 116139

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Piaget Yellow Gold Vintage Watch Ref. 9251

Piaget Yellow Gold Vintage Watch Ref. 9251

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Audemars Piguet White Gold and Diamond Watch

Audemars Piguet White Gold and Diamond Watch

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Audemars Piguet - Audemars Piguet White Gold Vintage Tank Watch - The Keystone Watches

Audemars Piguet White Gold Vintage Tank Watch

Audemars Piguet White Gold Vintage Tank Watch

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Rolex Steel Datejust Ref. 116234 on Super Jubilee

Rolex Steel Datejust Ref. 116234 on Super Jubilee

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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.

Stay in touch.

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