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Piaget - Piaget Yellow Gold Watch Ref. 9066 with Diamond Bezel and Lapis and Diamond Dial - The Keystone Watches

Piaget Yellow Gold Watch Ref. 9066 with Diamond Bezel and Lapis and Diamond Dial

Piaget Yellow Gold Watch Ref. 9066 with Diamond Bezel and Lapis and Diamond Dial

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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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Piaget - Piaget Yellow Gold Watch with Diamond Bezel and Opal, Diamond and Ruby Dial - The Keystone Watches

Piaget Yellow Gold Watch with Diamond Bezel and Opal, Diamond and Ruby Dial

Piaget Yellow Gold Watch with Diamond Bezel and Opal, Diamond and Ruby Dial

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Cartier - Cartier Yellow Gold Tank Gondole TV Shape Watch - The Keystone Watches

Cartier Yellow Gold Tank Gondole TV Shape Watch

Cartier Yellow Gold Tank Gondole TV Shape Watch

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Cartier - Cartier Yellow Gold Tank Obus - The Keystone Watches

Cartier Yellow Gold Tank Obus

Cartier Yellow Gold Tank Obus

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Cartier - Cartier London Yellow Gold Tank Watch - The Keystone Watches

Cartier London Yellow Gold Tank Watch

Cartier London Yellow Gold Tank Watch

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Cartier - Cartier Yellow Gold Tank Cintree Watch, 1970s - The Keystone Watches

Cartier Yellow Gold Tank Cintree Watch, 1970s

Cartier Yellow Gold Tank Cintree Watch, 1970s

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Cartier - Cartier Yellow Gold Tonneau Dual Time Watch - The Keystone Watches

Cartier Yellow Gold Tonneau Dual Time Watch

Cartier Yellow Gold Tonneau Dual Time Watch

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Piaget - Piaget Yellow Gold Lapis Diamond Watch, 1970s - The Keystone Watches

Piaget Yellow Gold Lapis Diamond Watch, 1970s

Piaget Yellow Gold Lapis Diamond Watch, 1970s

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Cartier - Cartier Yellow Gold Pasha Perpetual Calendar Minute Repeater Watch - The Keystone Watches

Cartier Yellow Gold Pasha Perpetual Calendar Minute Repeater Watch

Cartier Yellow Gold Pasha Perpetual Calendar Minute Repeater Watch

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Piaget - Piaget Yellow Gold Wide Bracelet Watch, 1960s - The Keystone Watches

Piaget Yellow Gold Wide Bracelet Watch, 1960s

Piaget Yellow Gold Wide Bracelet Watch, 1960s

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Cartier - Cartier Yellow Gold Santos Automatic Diamond Watch - The Keystone Watches

Cartier Yellow Gold Santos Automatic Diamond Watch

Cartier Yellow Gold Santos Automatic Diamond Watch

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Cartier - Cartier Yellow Gold Carree Obus Skeleton Watch, Limited to 100 - The Keystone Watches

Cartier Yellow Gold Carree Obus Skeleton Watch, Limited to 100

Cartier Yellow Gold Carree Obus Skeleton Watch, Limited to 100

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Cartier - Cartier Yellow Gold Mini Tank Diamond Watch, 1968 - The Keystone Watches

Cartier Yellow Gold Mini Tank Diamond Watch, 1968

Cartier Yellow Gold Mini Tank Diamond Watch, 1968

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Cartier - Cartier Yellow Gold Tank Cintree Watch, 1970s - The Keystone Watches

Cartier Yellow Gold Tank Cintree Watch, 1970s

Cartier Yellow Gold Tank Cintree Watch, 1970s

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Bulgari - Bulgari Yellow Gold Serpenti Watch, 1960s - The Keystone Watches

Bulgari Yellow Gold Serpenti Watch, 1960s

Bulgari Yellow Gold Serpenti Watch, 1960s

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Breguet - Breguet Yellow Gold Minute Repeating Perpetual Subscription Set - The Keystone Watches

Breguet Yellow Gold Minute Repeating Perpetual Subscription Set

Breguet Yellow Gold Minute Repeating Perpetual Subscription Set

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Piaget - Piaget Yellow Gold Oversized Beta Quartz Watch - The Keystone Watches

Piaget Yellow Gold Oversized Beta Quartz Watch

Piaget Yellow Gold Oversized Beta Quartz Watch

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Piaget - Piaget Yellow Gold Diamond Watch, 1980s - The Keystone Watches

Piaget Yellow Gold Diamond Watch, 1980s

Piaget Yellow Gold Diamond Watch, 1980s

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Piaget - Piaget Yellow Gold Diamond & Onyx Watch, 1970s - The Keystone Watches

Piaget Yellow Gold Diamond & Onyx Watch, 1970s

Piaget Yellow Gold Diamond & Onyx Watch, 1970s

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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Saxonia Bracelet Watch - The Keystone Watches

A. Lange & Sohne Yellow Gold Saxonia Bracelet Watch

A. Lange & Sohne Yellow Gold Saxonia Bracelet Watch

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Cartier - Cartier Yellow Gold Tank Asymmetrical Watch, Ref. 2488 - The Keystone Watches

Cartier Yellow Gold Tank Asymmetrical Watch, Ref. 2488

Cartier Yellow Gold Tank Asymmetrical Watch, Ref. 2488

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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.

Stay in touch.

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