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Rolex - Rolex Yellow Gold Day-Date Ferrite Stone Dial Watch Ref. 18238 - The Keystone Watches

Rolex Yellow Gold Day-Date Ferrite Stone Dial Watch Ref. 18238

Rolex Yellow Gold Day-Date Ferrite Stone Dial Watch Ref. 18238

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Patek Philippe - Patek Philippe Yellow Gold Officers Grey Roman Dial Ref. 5022 - The Keystone Watches

Patek Philippe Yellow Gold Officers Grey Roman Dial Ref. 5022

Patek Philippe Yellow Gold Officers Grey Roman Dial Ref. 5022

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Rolex - Rolex White Gold Day-Date Diamond Bracelet Watch Ref. 18049 - The Keystone Watches

Rolex White Gold Day-Date Diamond Bracelet Watch Ref. 18049

Rolex White Gold Day-Date Diamond Bracelet Watch Ref. 18049

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Vacheron Constantin - Vacheron Constantin Yellow Gold Fancy Lugs Vintage Watch - The Keystone Watches

Vacheron Constantin Yellow Gold Fancy Lugs Vintage Watch

Vacheron Constantin Yellow Gold Fancy Lugs Vintage Watch

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Patek Philippe - Patek Philippe White Gold Chronograph Watch Ref. 5070G - The Keystone Watches

Patek Philippe White Gold Chronograph Watch Ref. 5070G

Patek Philippe White Gold Chronograph Watch Ref. 5070G

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Rolex - Rolex Day-Date White Gold Ref. 18049 - The Keystone Watches

Rolex Day-Date White Gold Ref. 18049

Rolex Day-Date White Gold Ref. 18049

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Patek Philippe - Vintage Patek Philippe Platinum Rectangular Diamond Watch Ref. 425 - The Keystone Watches

Vintage Patek Philippe Platinum Rectangular Diamond Watch Ref. 425

Vintage Patek Philippe Platinum Rectangular Diamond Watch Ref. 425

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Patek Philippe - Patek Philippe Yellow Gold Onyx Dial Strap Watch Ref. 3729 - The Keystone Watches

Patek Philippe Yellow Gold Onyx Dial Strap Watch Ref. 3729

Patek Philippe Yellow Gold Onyx Dial Strap Watch Ref. 3729

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Advanced Research Ref. 5350R - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Advanced Research Ref. 5350R

Patek Philippe Rose Gold Annual Calendar Advanced Research Ref. 5350R

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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Lange 1 Bracelet Watch Ref. 101.021 - The Keystone Watches

A. Lange & Sohne Yellow Gold Lange 1 Bracelet Watch Ref. 101.021

A. Lange & Sohne Yellow Gold Lange 1 Bracelet Watch Ref. 101.021

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Patek Philippe - Patek Philippe White Gold Gondolo Salmon Dial Ref. 5024 - The Keystone Watches

Patek Philippe White Gold Gondolo Salmon Dial Ref. 5024

Patek Philippe White Gold Gondolo Salmon Dial Ref. 5024

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Rolex - Rolex Yellow Gold Queen Midas Lapis Watch Ref. 4314 - The Keystone Watches

Rolex Yellow Gold Queen Midas Lapis Watch Ref. 4314

Rolex Yellow Gold Queen Midas Lapis Watch Ref. 4314

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Audemars Piguet - Audemars Piguet Platinum Quantieme Perpetual Automatique Watch - The Keystone Watches

Audemars Piguet Platinum Quantieme Perpetual Automatique Watch

Audemars Piguet Platinum Quantieme Perpetual Automatique Watch

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Audemars Piguet - Audemars Piguet Yellow Gold Automatic Strap Watch - The Keystone Watches

Audemars Piguet Yellow Gold Automatic Strap Watch

Audemars Piguet Yellow Gold Automatic Strap Watch

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Patek Philippe - Patek Philippe Yellow Gold Automatic Bracelet Watch Ref. 3604 - The Keystone Watches

Patek Philippe Yellow Gold Automatic Bracelet Watch Ref. 3604

Patek Philippe Yellow Gold Automatic Bracelet Watch Ref. 3604

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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.

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