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Audemars Piguet - Audemars Piguet Yves Klein Royal Oak Ref. 14790 - The Keystone Watches

Audemars Piguet Yves Klein Royal Oak Ref. 14790

Audemars Piguet Yves Klein Royal Oak Ref. 14790

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Audemars Piguet - Audemars Platinum White Gold Frosted Royal Oak Ref. 26331 - The Keystone Watches

Audemars Platinum White Gold Frosted Royal Oak Ref. 26331

Audemars Platinum White Gold Frosted Royal Oak Ref. 26331

Sold Out

 
Blancpain - Blancpain Platinum Leman Tourbillon Perpetual Calendar 8 Days Watch Ref. 2625 - The Keystone Watches

Blancpain Platinum Leman Tourbillon Perpetual Calendar 8 Days Watch Ref. 2625

Blancpain Platinum Leman Tourbillon Perpetual Calendar 8 Days Watch Ref. 2625

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Blancpain Platinum Skeleton Watch Ref. 0021

Blancpain Platinum Skeleton Watch Ref. 0021

Sold Out

 
Blancpain White Gold Grand Date with Baguette Bezel and Diamond Mother of Pearl Dial

Blancpain White Gold Grand Date with Baguette Bezel and Diamond Mother of Pearl Dial

Blancpain White Gold Grand Date with Baguette Bezel and Diamond Mother of Pearl Dial

$48,000 USD
 
Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

$9,500 USD
 
Boucheron - Boucheron Yellow Gold Lapis Watch in Original Fitted Box (New Arrival) - The Keystone Watches

Boucheron Yellow Gold Lapis Watch in Original Fitted Box (New Arrival)

Boucheron Yellow Gold Lapis Watch in Original Fitted Box (New Arrival)

$10,500 USD
 
Breguet - Breguet Automatic Perpetual Calendar Watch Ref. 3050 - The Keystone Watches

Breguet Automatic Perpetual Calendar Watch Ref. 3050

Breguet Automatic Perpetual Calendar Watch Ref. 3050

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Breguet Cushion Shaped Diver 200m Watch

Breguet Cushion Shaped Diver 200m Watch

Breguet Cushion Shaped Diver 200m Watch

$58,000 USD
 
Breguet Platinum and Rose Gold Tourbillon Ref. 3457 (New Arrival)

Breguet Platinum and Rose Gold Tourbillon Ref. 3457 (New Arrival)

Breguet Platinum and Rose Gold Tourbillon Ref. 3457 (New Arrival)

Sold Out

 
Breguet Platinum Classique Tourbillon Messidor Skeleton Ref. 5335PT (New Arrival)

Breguet Platinum Classique Tourbillon Messidor Skeleton Ref. 5335PT (New Arrival)

Breguet Platinum Classique Tourbillon Messidor Skeleton Ref. 5335PT (New Arrival)

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Breguet - Breguet Platinum Double Tourbillon Watch Ref. 5347PT - The Keystone Watches

Breguet Platinum Double Tourbillon Watch Ref. 5347PT

Breguet Platinum Double Tourbillon Watch Ref. 5347PT

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Breguet - Breguet Platinum Minute Repeater Ref. 3637 - The Keystone Watches

Breguet Platinum Minute Repeater Ref. 3637

Breguet Platinum Minute Repeater Ref. 3637

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Breguet Platinum Perpetual Chronograph Ref. 5617

Breguet Platinum Perpetual Chronograph Ref. 5617

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Breguet Platinum Skeleton Tourbillon Watch Ref. 3355 (New Arrival)

Breguet Platinum Skeleton Tourbillon Watch Ref. 3355 (New Arrival)

Breguet Platinum Skeleton Tourbillon Watch Ref. 3355 (New Arrival)

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Breguet Platinum Tourbillon Ref. 3657PT/12/9V6

Breguet Platinum Tourbillon Ref. 3657PT/12/9V6

Breguet Platinum Tourbillon Ref. 3657PT/12/9V6

$45,000 USD
 
Breguet - Breguet Platinum Type XX Watch Ref. 3820 - The Keystone Watches

Breguet Platinum Type XX Watch Ref. 3820

Breguet Platinum Type XX Watch Ref. 3820

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Breguet Souscription Grand Complication Set Watch and Pocket Watch, Circa 1992

Breguet Souscription Grand Complication Set Watch and Pocket Watch, Circa 1992

Breguet Souscription Grand Complication Set Watch and Pocket Watch, Circa 1992

$225,000 USD
 
Breguet Steel Chronograph Watch, 1940s

Breguet Steel Chronograph Watch, 1940s

Breguet Steel Chronograph Watch, 1940s

$75,000 USD
 
Breguet - Breguet White Gold Chronograph Skeleton Baguette Diamond Watch - The Keystone Watches

Breguet White Gold Chronograph Skeleton Baguette Diamond Watch

Breguet White Gold Chronograph Skeleton Baguette Diamond Watch

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Breguet - Breguet White Gold Chronograph Tourbillon Watch Ref. 3577 - The Keystone Watches

Breguet White Gold Chronograph Tourbillon Watch Ref. 3577

Breguet White Gold Chronograph Tourbillon Watch Ref. 3577

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Breguet White Gold Classique Automatic Watch, Retailed by Chaumet (New Arrival)

Breguet White Gold Classique Automatic Watch, Retailed by Chaumet (New Arrival)

Breguet White Gold Classique Automatic Watch, Retailed by Chaumet (New Arrival)

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New Arrivals Preview
 
Patek Philippe Steel Calatrava Ref. 3466 (New Arrival)

Patek Philippe Steel Calatrava Ref. 3466 (New Arrival)

Patek Philippe Steel Calatrava Ref. 3466 (New Arrival)

$27,000 USD
 
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
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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