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Patek Philippe Rose Gold Perpetual Calendar Ref. 5940 (New Arrival)

Patek Philippe Rose Gold Perpetual Calendar Ref. 5940 (New Arrival)

Sold Out

 

Patek Philippe Yellow Gold Calatrava Ref. 570 (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 570 (New Arrival)

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Omega Yellow Gold Constellation Ref. 168.009

Omega Yellow Gold Constellation Ref. 168.009

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Cartier - Cartier White Gold Large Model Tank Francaise Ref. WE100351 - The Keystone Watches

Cartier White Gold Large Model Tank Francaise Ref. WE100351

Cartier White Gold Large Model Tank Francaise Ref. WE100351

$13,500 USD
 

Audemars Piguet Platinum Extra-Plat Ref. 14667 in Top Condition with Original Warranty (New Arrival)

Audemars Piguet Platinum Extra-Plat Ref. 14667 in Top Condition with Original Warranty (New Arrival)

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Rolex - Rolex Steel Submariner Ref. 5513 with Original Paper - The Keystone Watches

Rolex Steel Submariner Ref. 5513 with Original Paper

Rolex Steel Submariner Ref. 5513 with Original Paper

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Patek Philippe Yellow Gold Nautilus Ref. 3800 (New Arrival)

Patek Philippe Yellow Gold Nautilus Ref. 3800 (New Arrival)

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Patek Philippe Yellow Gold Ellipse Ref. 3987 (New Arrival)

Patek Philippe Yellow Gold Ellipse Ref. 3987 (New Arrival)

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Rolex Steel Datejust Ref. 1601 in Outstanding Condition (New Arrival)

Rolex Steel Datejust Ref. 1601 in Outstanding Condition (New Arrival)

Sold Out

 
Vacheron Constantin - Vacheron Constantin Yellow Gold Rectangular Watch - The Keystone Watches

Vacheron Constantin Yellow Gold Rectangular Watch

Vacheron Constantin Yellow Gold Rectangular Watch

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Cartier Yellow Gold Mechanical Paris Vendome

Cartier Yellow Gold Mechanical Paris Vendome

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Cartier White Gold Pasha de Classique Ref. 2372

Cartier White Gold Pasha de Classique Ref. 2372

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Rolex Steel Sea Dweller SD4K Ref. 116600

Rolex Steel Sea Dweller SD4K Ref. 116600

Sold Out

 
Cartier - Cartier Yellow Gold Tank Louis, Circa 1966 - The Keystone Watches

Cartier Yellow Gold Tank Louis, Circa 1966

Cartier Yellow Gold Tank Louis, Circa 1966

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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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Cartier - Cartier Yellow Gold Vintage Ronde Ref. 78248 - The Keystone Watches

Cartier Yellow Gold Vintage Ronde Ref. 78248

Cartier Yellow Gold Vintage Ronde Ref. 78248

$6,000 USD
 

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 - Cartier Yellow Gold Colisee with Factory Original Diamonds - The Keystone Watches

Cartier Yellow Gold Colisee with Factory Original Diamonds

Cartier Yellow Gold Colisee with Factory Original Diamonds

$19,000 USD
 
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

$9,500 USD
 
Patek Philippe - Patek Philippe Yellow Gold Watch Ref. 2488 Retailed by Gubelin - The Keystone Watches

Patek Philippe Yellow Gold Watch Ref. 2488 Retailed by Gubelin

Patek Philippe Yellow Gold Watch Ref. 2488 Retailed by Gubelin

$8,800 USD
 
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

Sold Out

 

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

Sold Out

 

Patek Philippe Steel Calatrava Ref. 3579 in Outstanding Original Condition

Patek Philippe Steel Calatrava Ref. 3579 in Outstanding Original Condition

Sold Out

 

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

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

Sold Out

 

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

Sold Out

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

Rolex White Gold Datejust Ref. 116139

Rolex White Gold Datejust Ref. 116139

Sold Out

 

Piaget Yellow Gold Vintage Watch Ref. 9251

Piaget Yellow Gold Vintage Watch Ref. 9251

Sold Out

 

Audemars Piguet White Gold and Diamond Watch

Audemars Piguet White Gold and Diamond Watch

Sold Out

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New Arrivals Preview
 
Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

$23,750 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL) - The Keystone Watches

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

$155,000 USD
 
Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

$13,250 USD
 

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

$17,750 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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