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Cartier Yellow Gold Bumper Automatic Watch, European Watch & Clock

Cartier Yellow Gold Bumper Automatic Watch, European Watch & Clock

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Rolex - Rolex Platinum Day-Date Ref. 18296 with Original Diamonds - The Keystone Watches

Rolex Platinum Day-Date Ref. 18296 with Original Diamonds

Rolex Platinum Day-Date Ref. 18296 with Original Diamonds

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Rolex - Rolex Yellow Gold Mechanical Cellini Ref. 4127 - The Keystone Watches

Rolex Yellow Gold Mechanical Cellini Ref. 4127

Rolex Yellow Gold Mechanical Cellini Ref. 4127

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Patek Philippe - Patek Philippe White Gold Diamond & Onyx Watch Ref. 3625 - The Keystone Watches

Patek Philippe White Gold Diamond & Onyx Watch Ref. 3625

Patek Philippe White Gold Diamond & Onyx Watch Ref. 3625

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Piaget - Piaget White Gold Polo with Original Diamonds and Emeralds - The Keystone Watches

Piaget White Gold Polo with Original Diamonds and Emeralds

Piaget White Gold Polo with Original Diamonds and Emeralds

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Piaget - Piaget Lapis, Onyx and Sodalite Hexagon Watch (NEW ARRIVAL) - The Keystone Watches

Piaget Lapis, Onyx and Sodalite Hexagon Watch (NEW ARRIVAL)

Piaget Lapis, Onyx and Sodalite Hexagon Watch (NEW ARRIVAL)

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 3970 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 3970

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 3970

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Rolex - Rolex White Gold Daytona Sodalite Watch Ref. 116509 - The Keystone Watches

Rolex White Gold Daytona Sodalite Watch Ref. 116509

Rolex White Gold Daytona Sodalite Watch Ref. 116509

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

Vacheron Constantin Yellow Gold Mechanical Watch

Vacheron Constantin Yellow Gold Mechanical Watch

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 3919 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 3919

Patek Philippe Yellow Gold Calatrava Watch Ref. 3919

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Piaget - Piaget Onyx Diamond Watch - The Keystone Watches

Piaget Onyx Diamond Watch

Piaget Onyx Diamond Watch

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Rolex - Rolex Yellow Gold Day-Date Watch Ref. 18048 with Pave Diamond and Sapphire Dial - The Keystone Watches

Rolex Yellow Gold Day-Date Watch Ref. 18048 with Pave Diamond and Sapphire Dial

Rolex Yellow Gold Day-Date Watch Ref. 18048 with Pave Diamond and Sapphire Dial

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Rolex - Rolex Yellow Gold Day-Date Ref. 18238 with Baguette Diamond Dials - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 18238 with Baguette Diamond Dials

Rolex Yellow Gold Day-Date Ref. 18238 with Baguette Diamond Dials

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Rolex - Rolex Yellow Gold Day-Date Watch Ref. 18338 with Diamond Dial - The Keystone Watches

Rolex Yellow Gold Day-Date Watch Ref. 18338 with Diamond Dial

Rolex Yellow Gold Day-Date Watch Ref. 18338 with Diamond Dial

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Audemars Piguet - Audemars Piguet White Gold Day-Date Watch Ref. 25574 - The Keystone Watches

Audemars Piguet White Gold Day-Date Watch Ref. 25574

Audemars Piguet White Gold Day-Date Watch Ref. 25574

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Cartier - Cartier Rose Gold Cle de Cartier Mysterious Watch - The Keystone Watches

Cartier Rose Gold Cle de Cartier Mysterious Watch

Cartier Rose Gold Cle de Cartier Mysterious Watch

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Cartier Yellow Gold Tank Cintree

Cartier Yellow Gold Tank Cintree

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Ref. 3562 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Ref. 3562

Patek Philippe Yellow Gold Calatrava Ref. 3562

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Rolex - Rolex Yellow Gold Day-Date Ref. 18038 with Missoni Ruby Dial - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 18038 with Missoni Ruby Dial

Rolex Yellow Gold Day-Date Ref. 18038 with Missoni Ruby Dial

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Audemars Piguet - Audemars Piguet Steel Royal Oak Ref. 15300 with Blue Dial - The Keystone Watches

Audemars Piguet Steel Royal Oak Ref. 15300 with Blue Dial

Audemars Piguet Steel Royal Oak Ref. 15300 with Blue Dial

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Patek Philippe - Patek Philippe Platinum Advanced Research Ref. 5550 - The Keystone Watches

Patek Philippe Platinum Advanced Research Ref. 5550

Patek Philippe Platinum Advanced Research Ref. 5550

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Audemars Piguet - Audemars Piguet White Gold Skeleton Tourbillon Minute Repeater Chronograph Ref. 26345 - The Keystone Watches

Audemars Piguet White Gold Skeleton Tourbillon Minute Repeater Chronograph Ref. 26345

Audemars Piguet White Gold Skeleton Tourbillon Minute Repeater Chronograph Ref. 26345

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New Arrivals Preview
 
Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

$38,000 USD
 
Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

$30,000 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
 
Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

$58,000 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
 
Cartier Yellow Gold Tank Normale Bracelet Watch  Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

$36,000 USD
 
Cartier - Cartier Yellow Gold Tank Reverso (New Arrival) - The Keystone Watches

Cartier Yellow Gold Tank Reverso (New Arrival)

Cartier Yellow Gold Tank Reverso (New Arrival)

$34,500 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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