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Cartier Platinum Tortue Perpetual Calendar CPCP Watch Ref. 2646

Cartier Platinum Tortue Perpetual Calendar CPCP Watch Ref. 2646

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Rolex Yellow Gold Cosmograph Daytona Watch Ref. 6263

Rolex Yellow Gold Cosmograph Daytona Watch Ref. 6263

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Rolex Yellow Gold Cosmograph Daytona Watch Ref. 6263 with Box and Papers

Rolex Yellow Gold Cosmograph Daytona Watch Ref. 6263 with Box and Papers

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Piaget Yellow Gold Lapis Diamond Watch Ref. 6805

Piaget Yellow Gold Lapis Diamond Watch Ref. 6805

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Vacheron Constantin Yellow Gold Perpetual Calendar Ref. 43031

Vacheron Constantin Yellow Gold Perpetual Calendar Ref. 43031

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Patek Philippe White Gold Square Watch Ref. 3430

Patek Philippe White Gold Square Watch Ref. 3430

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Patek Philippe - Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074, Double Sealed - The Keystone Watches

Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074, Double Sealed

Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074, Double Sealed

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Audemars Piguet Rose Gold Nick Faldo Royal Oak Ref. 15097

Audemars Piguet Rose Gold Nick Faldo Royal Oak Ref. 15097

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Patek Philippe White Gold Calatrava Ref. 3591

Patek Philippe White Gold Calatrava Ref. 3591

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Rolex Yellow Gold Day-Date Ref. 18238 with Pave Diamonds and Sapphire Markers

Rolex Yellow Gold Day-Date Ref. 18238 with Pave Diamonds and Sapphire Markers

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Piaget Yellow Gold Link Bracelet Watch Ref. 1001

Piaget Yellow Gold Link Bracelet Watch Ref. 1001

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Split Seconds Watch Ref. 5204 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Split Seconds Watch Ref. 5204

Patek Philippe Platinum Perpetual Calendar Split Seconds Watch Ref. 5204

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Cartier - Cartier Yellow Gold Tank Louis Ref. 1140 - The Keystone Watches

Cartier Yellow Gold Tank Louis Ref. 1140

Cartier Yellow Gold Tank Louis Ref. 1140

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Piaget White Gold Mechanical Watch Ref. 9151

Piaget White Gold Mechanical Watch Ref. 9151

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Cartier - Cartier Yellow Gold Cristallor - The Keystone Watches

Cartier Yellow Gold Cristallor

Cartier Yellow Gold Cristallor

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Cartier - Cartier Yellow Gold Tank Normale Watch, European Watch & Clock - The Keystone Watches

Cartier Yellow Gold Tank Normale Watch, European Watch & Clock

Cartier Yellow Gold Tank Normale Watch, European Watch & Clock

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Patek Philippe Steel Nautilus Ref. 3712

Patek Philippe Steel Nautilus Ref. 3712

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Franck Muller White Gold Double Mystery with Black Diamonds and Sapphires

Franck Muller White Gold Double Mystery with Black Diamonds and Sapphires

Franck Muller White Gold Double Mystery with Black Diamonds and Sapphires

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Patek Philippe Yellow Gold Cufflinks with the Khanjar Emblem of Oman

Patek Philippe Yellow Gold Cufflinks with the Khanjar Emblem of Oman

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Patek Philippe White Gold Calatrava Ref. 3563 with Blue Marker Sigma Dial

Patek Philippe White Gold Calatrava Ref. 3563 with Blue Marker Sigma Dial

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Patek Philippe Yellow Gold Calatrava Ref. 2428

Patek Philippe Yellow Gold Calatrava Ref. 2428

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Chronograph Ref. 3970 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Chronograph Ref. 3970

Patek Philippe Rose Gold Perpetual Calendar Chronograph Ref. 3970

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

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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