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Vacheron Constantin Yellow Gold Skeleton Watch Ref. 33115

Vacheron Constantin Yellow Gold Skeleton Watch Ref. 33115

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Vacheron Constantin - Vacheron Constantin White Gold Skeleton Watch Ref. 33115 - The Keystone Watches

Vacheron Constantin White Gold Skeleton Watch Ref. 33115

Vacheron Constantin White Gold Skeleton Watch Ref. 33115

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Piaget White Gold Emperador with Pave and Sapphire Dial Ref. 9131C

Piaget White Gold Emperador with Pave and Sapphire Dial Ref. 9131C

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Rolex Datejust Oysterquartz Ref. 17013 in New Old Stock Condition

Rolex Datejust Oysterquartz Ref. 17013 in New Old Stock Condition

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Patek Philippe - Patek Philippe Yellow Gold Diamond & Sapphire Watch Ref. 4665 - The Keystone Watches

Patek Philippe Yellow Gold Diamond & Sapphire Watch Ref. 4665

Patek Philippe Yellow Gold Diamond & Sapphire Watch Ref. 4665

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Piaget - Piaget Yellow Gold Braided Bracelet Watch Ref. 922 - The Keystone Watches

Piaget Yellow Gold Braided Bracelet Watch Ref. 922

Piaget Yellow Gold Braided Bracelet Watch Ref. 922

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Cartier Yellow Gold Tank Watch, European Watch & Clock from 1959

Cartier Yellow Gold Tank Watch, European Watch & Clock from 1959

Cartier Yellow Gold Tank Watch, European Watch & Clock from 1959

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Patek Philippe White Gold World Time Ref. 5110

Patek Philippe White Gold World Time Ref. 5110

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Blancpain Platinum Skeleton Watch Ref. 0021

Blancpain Platinum Skeleton Watch Ref. 0021

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Ulysse Nardin San Marco Enamel Trafalgar Watch Ref. 131-77-9

Ulysse Nardin San Marco Enamel Trafalgar Watch Ref. 131-77-9

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Patek Philippe Yellow Gold Calarava Ref. 3919

Patek Philippe Yellow Gold Calarava Ref. 3919

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Patek Philippe Yellow Gold Automatic Watch Ref. 3861

Patek Philippe Yellow Gold Automatic Watch Ref. 3861

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Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960

Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960

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Patek Philippe White Gold Ellipse Ref. 3548

Patek Philippe White Gold Ellipse Ref. 3548

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Patek Philippe Yellow Gold Golden Ellipse Mechanical Watch Ref. 3583

Patek Philippe Yellow Gold Golden Ellipse Mechanical Watch Ref. 3583

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Patek Philippe Yellow Gold Ellipse Watch Ref. 3948

Patek Philippe Yellow Gold Ellipse Watch Ref. 3948

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Patek Philippe Yellow Gold Calatrava Ref. 3919 on Rare Chain Link Bracelet

Patek Philippe Yellow Gold Calatrava Ref. 3919 on Rare Chain Link Bracelet

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Patek Philippe Yellow Gold Calatrava Ref. 3558

Patek Philippe Yellow Gold Calatrava Ref. 3558

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Audemars Piguet Platinum Star Wheel with Engraved Dial Ref. 25720

Audemars Piguet Platinum Star Wheel with Engraved Dial Ref. 25720

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Audemars Piguet White Gold Watch On Bracelet

Audemars Piguet White Gold Watch On Bracelet

Audemars Piguet White Gold Watch On Bracelet

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Patek Philippe Steel Nautilus Ref. 3800

Patek Philippe Steel Nautilus Ref. 3800

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Tiffany & Co. Schlumberger Yellow Gold Watch with Engraving

Tiffany & Co. Schlumberger Yellow Gold Watch with Engraving

Tiffany & Co. Schlumberger Yellow Gold Watch with Engraving

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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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