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Bulgari 18k Yellow Gold Monete Ring (Objet)

Bulgari 18k Yellow Gold Monete Ring (Objet)

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Bulgari Monete Ancient Coin Ring from 4th Century BC (Objet)

Bulgari Monete Ancient Coin Ring from 4th Century BC (Objet)

Bulgari Monete Ancient Coin Ring from 4th Century BC (Objet)

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Bulgari Monete Coin Ring (Objet)

Bulgari Monete Coin Ring (Objet)

Bulgari Monete Coin Ring (Objet)

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Bulgari - Bulgari Platinum Octo Finissimo Ref. BGO40PXT - The Keystone Watches

Bulgari Platinum Octo Finissimo Ref. BGO40PXT

Bulgari Platinum Octo Finissimo Ref. BGO40PXT

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Bulgari - Bulgari Platinum Tourbillon Watch - The Keystone Watches

Bulgari Platinum Tourbillon Watch

Bulgari Platinum Tourbillon Watch

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Bulgari Ring, Circa 1970 (Objet)

Bulgari Ring, Circa 1970 (Objet)

Bulgari Ring, Circa 1970 (Objet)

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Bulgari - Bulgari Tri Color Tubogas Ref. BB1927 - The Keystone Watches

Bulgari Tri Color Tubogas Ref. BB1927

Bulgari Tri Color Tubogas Ref. BB1927

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Bulgari - Bulgari Tricolor Farfalla Gold Vintage Watch Ref BJ04 - The Keystone Watches

Bulgari Tricolor Farfalla Gold Vintage Watch Ref BJ04

Bulgari Tricolor Farfalla Gold Vintage Watch Ref BJ04

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Bulgari Yellow Gold Serpenti Watch Ref. BB191T (New Arrival)

Bulgari Yellow Gold Serpenti Watch Ref. BB191T (New Arrival)

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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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Bulgari Yellow Gold Serpenti Watch, by Gerald Genta Circa 1970s

Bulgari Yellow Gold Serpenti Watch, by Gerald Genta Circa 1970s

Bulgari Yellow Gold Serpenti Watch, by Gerald Genta Circa 1970s

$75,000 USD
 
Bulova - Bulova Two-Tone Royal Oak Automatic Watch - The Keystone Watches

Bulova Two-Tone Royal Oak Automatic Watch

Bulova Two-Tone Royal Oak Automatic Watch

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Cartier - Carter White Gold Baignoire Allongee with Diamond and Sapphire Pave Dial Ref. 2514 - The Keystone Watches

Carter White Gold Baignoire Allongee with Diamond and Sapphire Pave Dial Ref. 2514

Carter White Gold Baignoire Allongee with Diamond and Sapphire Pave Dial Ref. 2514

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Cartier Art Deco Coral, Onyx & Diamond Pendant Watch, 1920s

Cartier Art Deco Coral, Onyx & Diamond Pendant Watch, 1920s

Cartier Art Deco Coral, Onyx & Diamond Pendant Watch, 1920s

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Cartier - Cartier Basculante Mechanical Ref. 2390 - The Keystone Watches

Cartier Basculante Mechanical Ref. 2390

Cartier Basculante Mechanical Ref. 2390

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Cartier - Cartier CPCP White Gold Tank Monopoussoir Chronograph Ref. 3078 - The Keystone Watches

Cartier CPCP White Gold Tank Monopoussoir Chronograph Ref. 3078

Cartier CPCP White Gold Tank Monopoussoir Chronograph Ref. 3078

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Cartier - Cartier Ladies White Gold Diamond Panthere Ref. WF3118FK - The Keystone Watches

Cartier Ladies White Gold Diamond Panthere Ref. WF3118FK

Cartier Ladies White Gold Diamond Panthere Ref. WF3118FK

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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 Panthere White Gold Original Diamond Panthere Ref. WF3091F3

Cartier Panthere White Gold Original Diamond Panthere Ref. WF3091F3

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Cartier Paris Nephrite Clock, 1930

Cartier Paris Nephrite Clock, 1930

Cartier Paris Nephrite Clock, 1930

$25,000 USD
 
Cartier Paris White Gold Diamond Tank Watch, Movement by Vacheron Constantin

Cartier Paris White Gold Diamond Tank Watch, Movement by Vacheron Constantin

Cartier Paris White Gold Diamond Tank Watch, Movement by Vacheron Constantin

$37,500 USD
 
Cartier Paris Yellow Gold Bracelet Watch with Backwind (New Arrival)

Cartier Paris Yellow Gold Bracelet Watch with Backwind (New Arrival)

Cartier Paris Yellow Gold Bracelet Watch with Backwind (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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