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Patek Philippe Tropical Dial Nautilus Ref. 3700 with Original Papers

Patek Philippe Tropical Dial Nautilus Ref. 3700 with Original Papers

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Piaget White Gold Onyx and Diamond Ref. 9826D2

Piaget White Gold Onyx and Diamond Ref. 9826D2

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Vacheron Constantin - Vacheron Constantin Yellow Gold Overseas Ref. 42042 with Box and Papers - The Keystone Watches

Vacheron Constantin Yellow Gold Overseas Ref. 42042 with Box and Papers

Vacheron Constantin Yellow Gold Overseas Ref. 42042 with Box and Papers

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Vacheron Constantin - Vacheron Constantin Yellow Gold Vintage Historique in Like New Condtion - The Keystone Watches

Vacheron Constantin Yellow Gold Vintage Historique in Like New Condtion

Vacheron Constantin Yellow Gold Vintage Historique in Like New Condtion

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Patek Philippe White Gold Ellipse Ref. 3848 with JPE Chain Link Bracelet

Patek Philippe White Gold Ellipse Ref. 3848 with JPE Chain Link Bracelet

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Piaget White Gold Lapis Square Watch Ref. 9902 with Original Box and Papers

Piaget White Gold Lapis Square Watch Ref. 9902 with Original Box and Papers

Piaget White Gold Lapis Square Watch Ref. 9902 with Original Box and Papers

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Rolex Steel Submariner Ref. 14060

Rolex Steel Submariner Ref. 14060

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Rolex Yellow Gold Rainbow Daytona Ref. 116598

Rolex Yellow Gold Rainbow Daytona Ref. 116598

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Piaget White Gold Vintage Watch Ref. 9772

Piaget White Gold Vintage Watch Ref. 9772

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Piaget White Gold Vintage Onyx and Diamond Watch Ref. 9781

Piaget White Gold Vintage Onyx and Diamond Watch Ref. 9781

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Piaget White Gold Vintage Hobnail Watch Ref. 13436

Piaget White Gold Vintage Hobnail Watch Ref. 13436

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Rolex Steel Datejust Ref. 16030 Retailed by Tiffany & Co.

Rolex Steel Datejust Ref. 16030 Retailed by Tiffany & Co.

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Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960P-016

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960P-016

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Piaget Rose Gold Altiplano Ref. G0A34113

Piaget Rose Gold Altiplano Ref. G0A34113

Piaget Rose Gold Altiplano Ref. G0A34113

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Piaget Yellow Gold Bracelet Watch Ref. 75922

Piaget Yellow Gold Bracelet Watch Ref. 75922

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Vacheron Constantin Rose Gold Overseas Perpetual Caneldar Watch Ref. 4300

Vacheron Constantin Rose Gold Overseas Perpetual Caneldar Watch Ref. 4300

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Cartier Yellow Gold Collection Prive Baignoire Allongee from 1991

Cartier Yellow Gold Collection Prive Baignoire Allongee from 1991

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Audemars Piguet Rose Gold Rolls Royce Phantom Skeleton Dial Watch Ref. 14677

Audemars Piguet Rose Gold Rolls Royce Phantom Skeleton Dial Watch Ref. 14677

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Patek Philippe White Gold Chronograph Watch Ref. 5070 (New Arrival)

Patek Philippe White Gold Chronograph Watch Ref. 5070 (New Arrival)

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Cartier - Cartier Yellow Gold Cristallor Faberge Ref. 78096 - The Keystone Watches

Cartier Yellow Gold Cristallor Faberge Ref. 78096

Cartier Yellow Gold Cristallor Faberge Ref. 78096

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Cartier Yellow Gold Tank Cintree

Cartier Yellow Gold Tank Cintree

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Breguet Platinum Perpetual Chronograph Ref. 5617

Breguet Platinum Perpetual Chronograph Ref. 5617

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New Arrivals Preview
 
Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

$19,800 USD
 
Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

$16,000 USD
 
Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

$75,000 USD
 
Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

$30,000 USD
 
Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

$105,000 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival) - The Keystone Watches

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

$60,000 USD
 
Audemars Piguet - Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival) - The Keystone Watches

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

$18,000 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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