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Piaget White Gold Diamond & Sapphire Watch Ref. 40030

Piaget White Gold Diamond & Sapphire Watch Ref. 40030

Piaget White Gold Diamond & Sapphire Watch Ref. 40030

$140,000 USD
 
Patek Philippe Yellow Gold Nautilus Ref. 3700 with Diamond Bezel

Patek Philippe Yellow Gold Nautilus Ref. 3700 with Diamond Bezel

Patek Philippe Yellow Gold Nautilus Ref. 3700 with Diamond Bezel

$285,000 USD
 
Audemars Piguet Yellow Gold Mechanical Watch

Audemars Piguet Yellow Gold Mechanical Watch

Audemars Piguet Yellow Gold Mechanical Watch

$30,000 USD
 
Audemars Piguet - Audemars Piguet White Gold Ruby & Diamond Skeleton Watch - The Keystone Watches

Audemars Piguet White Gold Ruby & Diamond Skeleton Watch

Audemars Piguet White Gold Ruby & Diamond Skeleton Watch

$150,000 USD
 
Patek Philippe - Patek Philippe Minute Repeater Enamel Diamond Watch Ref. 7040 - The Keystone Watches

Patek Philippe Minute Repeater Enamel Diamond Watch Ref. 7040

Patek Philippe Minute Repeater Enamel Diamond Watch Ref. 7040

$500,000 USD
 
Piaget White Gold and Pave Diamond Altiplano Ref. 90920

Piaget White Gold and Pave Diamond Altiplano Ref. 90920

Piaget White Gold and Pave Diamond Altiplano Ref. 90920

$54,000 USD
 
Audemars Piguet Platinum Square Watch

Audemars Piguet Platinum Square Watch

Audemars Piguet Platinum Square Watch

$12,000 USD
 
Audemars Piguet White Gold Royal Oak Chronograph Ref. 25978

Audemars Piguet White Gold Royal Oak Chronograph Ref. 25978

Audemars Piguet White Gold Royal Oak Chronograph Ref. 25978

$165,000 USD
 
Rolex Yellow Gold Pocket Watch Ref. 3694 in Perfect Condition

Rolex Yellow Gold Pocket Watch Ref. 3694 in Perfect Condition

Rolex Yellow Gold Pocket Watch Ref. 3694 in Perfect Condition

$5,500 USD
 
Piaget Yellow Gold, Diamond and Emerald Watch Ref. 15301

Piaget Yellow Gold, Diamond and Emerald Watch Ref. 15301

Piaget Yellow Gold, Diamond and Emerald Watch Ref. 15301

$40,000 USD
 
Rolex Steel Submariner Ref. 116610 Retailed for the United States Secret Service by Tourneau

Rolex Steel Submariner Ref. 116610 Retailed for the United States Secret Service by Tourneau

Rolex Steel Submariner Ref. 116610 Retailed for the United States Secret Service by Tourneau

$45,000 USD
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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.

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