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Patek Philippe - Patek Philippe White Gold Rectangular Baguette Diamond Watch Ref. 3540 - The Keystone Watches

Patek Philippe White Gold Rectangular Baguette Diamond Watch Ref. 3540

Patek Philippe White Gold Rectangular Baguette Diamond Watch Ref. 3540

Sold Out

 
Patek Philippe - Patek Philippe White Gold Rectangular Watch Ref. 3860 - The Keystone Watches

Patek Philippe White Gold Rectangular Watch Ref. 3860

Patek Philippe White Gold Rectangular Watch Ref. 3860

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ref. 3545 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe White Gold Ref. 3545 (NEW ARRIVAL)

Patek Philippe White Gold Ref. 3545 (NEW ARRIVAL)

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ref. 3571 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe White Gold Ref. 3571 (NEW ARRIVAL)

Patek Philippe White Gold Ref. 3571 (NEW ARRIVAL)

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Patek Philippe White Gold Ref. 3644 with Roman Numerals (New Arrival)

Patek Philippe White Gold Ref. 3644 with Roman Numerals (New Arrival)

Patek Philippe White Gold Ref. 3644 with Roman Numerals (New Arrival)

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Patek Philippe White Gold Ref. 570

Patek Philippe White Gold Ref. 570

Sold Out

 

Patek Philippe White Gold Sector Dial Annual Calendar Watch Ref. 5396

Patek Philippe White Gold Sector Dial Annual Calendar Watch Ref. 5396

Sold Out

 

Patek Philippe White Gold Skeletonized Calatrava Watch Ref. 7180

Patek Philippe White Gold Skeletonized Calatrava Watch Ref. 7180

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Patek Philippe - Patek Philippe White Gold Skeletonized Ultra-Thin Watch Ref. 5180 - The Keystone Watches

Patek Philippe White Gold Skeletonized Ultra-Thin Watch Ref. 5180

Patek Philippe White Gold Skeletonized Ultra-Thin Watch Ref. 5180

Sold Out

 
Patek Philippe - Patek Philippe White Gold Sky Moon Tourbillon Watch Ref. 6002 - The Keystone Watches

Patek Philippe White Gold Sky Moon Tourbillon Watch Ref. 6002

Patek Philippe White Gold Sky Moon Tourbillon Watch Ref. 6002

Sold Out

 
Patek Philippe - Patek Philippe White Gold Square Watch Ref. 3404 - The Keystone Watches

Patek Philippe White Gold Square Watch Ref. 3404

Patek Philippe White Gold Square Watch Ref. 3404

Sold Out

 

Patek Philippe White Gold Square Watch Ref. 3404

Patek Philippe White Gold Square Watch Ref. 3404

Sold Out

 

Patek Philippe White Gold Square Watch Ref. 3430

Patek Philippe White Gold Square Watch Ref. 3430

Sold Out

 
Patek Philippe - Patek Philippe White Gold Square Watch Ref. 3490 - The Keystone Watches

Patek Philippe White Gold Square Watch Ref. 3490

Patek Philippe White Gold Square Watch Ref. 3490

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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 White Gold Square Watch Ref. 3555

Patek Philippe White Gold Square Watch Ref. 3555

Patek Philippe White Gold Square Watch Ref. 3555

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Patek Philippe White Gold Square Watch Ref. 4222 (New Arrival)

Patek Philippe White Gold Square Watch Ref. 4222 (New Arrival)

Patek Philippe White Gold Square Watch Ref. 4222 (New Arrival)

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Patek Philippe - Patek Philippe White Gold Strap Watch, Ref. 3671 - The Keystone Watches

Patek Philippe White Gold Strap Watch, Ref. 3671

Patek Philippe White Gold Strap Watch, Ref. 3671

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Patek Philippe - Patek Philippe White Gold Strap Watch. Ref. 3581 - The Keystone Watches

Patek Philippe White Gold Strap Watch. Ref. 3581

Patek Philippe White Gold Strap Watch. Ref. 3581

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Patek Philippe - Patek Philippe White Gold Tonneau Watch from 1927 - The Keystone Watches

Patek Philippe White Gold Tonneau Watch from 1927

Patek Philippe White Gold Tonneau Watch from 1927

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Patek Philippe - Patek Philippe White Gold Travel Time Ref. 4864/2G - The Keystone Watches

Patek Philippe White Gold Travel Time Ref. 4864/2G

Patek Philippe White Gold Travel Time Ref. 4864/2G

Sold Out

 
Patek Philippe - Patek Philippe White Gold Travel Time Ref. 5524G - The Keystone Watches

Patek Philippe White Gold Travel Time Ref. 5524G

Patek Philippe White Gold Travel Time Ref. 5524G

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New Arrivals Preview
 
Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

$29,500 USD
 
Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

$9,500 USD
 
Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

$17,500 USD
 
Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

$55,000 USD
 
Patek Philippe - Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival) - The Keystone Watches

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

$15,500 USD
 
Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

$9,200 USD
 
Cartier - Cartier Yellow Gold Enamel Clip Watch with Royal Thames Yacht Club Enamel Emblem (New Arrival) - The Keystone Watches

Cartier Yellow Gold Enamel Clip Watch with Royal Thames Yacht Club Enamel Emblem (New Arrival)

Cartier Yellow Gold Enamel Clip Watch with Royal Thames Yacht Club Enamel Emblem (New Arrival)

$35,000 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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