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Patek Philippe Yellow Gold Calatrava Ref. 3919 on Bracelet

Patek Philippe Yellow Gold Calatrava Ref. 3919 on Bracelet

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Patek Philippe White Gold Golden Circle Watch Ref. 3644

Patek Philippe White Gold Golden Circle Watch Ref. 3644

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Patek Philippe Yellow Gold Circle Watch Ref. 3844

Patek Philippe Yellow Gold Circle Watch Ref. 3844

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Patek Philippe Platinum Minute Repeater Watch Ref. 5078

Patek Philippe Platinum Minute Repeater Watch Ref. 5078

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Patek Philippe White Gold Square Watch Ref. 3494

Patek Philippe White Gold Square Watch Ref. 3494

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Patek Philippe Yellow Gold Nautilus Ref. 5066

Patek Philippe Yellow Gold Nautilus Ref. 5066

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Patek Philippe White Gold Nautilus Watch Ref. 4700

Patek Philippe White Gold Nautilus Watch Ref. 4700

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Patek Philippe White Gold Golden Ellipse on Bracelet Ref. 3739/1

Patek Philippe White Gold Golden Ellipse on Bracelet Ref. 3739/1

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Patek Philippe Yellow Gold Skeleton Watch Ref. 3883

Patek Philippe Yellow Gold Skeleton Watch Ref. 3883

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Patek Philippe Yellow Gold Ellipse Ref. 3738

Patek Philippe Yellow Gold Ellipse Ref. 3738

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Patek Philippe - Patek Philippe White Gold Annual Calendar Watch Ref. 5205 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Watch Ref. 5205

Patek Philippe White Gold Annual Calendar Watch Ref. 5205

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Patek Philippe White Gold Ellipse Ref. 3648 with Tropical Dial

Patek Philippe White Gold Ellipse Ref. 3648 with Tropical Dial

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Patek Philippe White Gold Vintage Watch Ref. 3528

Patek Philippe White Gold Vintage Watch Ref. 3528

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Patek White Gold and Onyx Integrated Watch Ref. 4429

Patek White Gold and Onyx Integrated Watch Ref. 4429

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Patek Philippe Yellow Gold Watch Ref. 3467

Patek Philippe Yellow Gold Watch Ref. 3467

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Patek Philippe Yellow Gold Bracelet Watch Ref. 3491

Patek Philippe Yellow Gold Bracelet Watch Ref. 3491

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Patek Philippe Yellow Gold Automatic Watch Ref. 3604

Patek Philippe Yellow Gold Automatic Watch Ref. 3604

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Patek Philippe White Gold Square Watch Ref. 3404

Patek Philippe White Gold Square Watch Ref. 3404

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Patek Philippe Yellow Gold Automatic Watch Ref. 3801

Patek Philippe Yellow Gold Automatic Watch Ref. 3801

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Patek Philippe White Gold Ellipse Automatic Watch Ref. 3738 with Anthracite Dial

Patek Philippe White Gold Ellipse Automatic Watch Ref. 3738 with Anthracite Dial

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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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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 White Gold Rectangular Watch with Lapis Watch (New Arrival)

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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