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Bulgari Ring, Circa 1970 (Objet)

Bulgari Ring, Circa 1970 (Objet)

Bulgari Ring, Circa 1970 (Objet)

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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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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 Paris Yellow Gold Tank (New Arrival)

Cartier Paris Yellow Gold Tank (New Arrival)

Cartier Paris Yellow Gold Tank (New Arrival)

$16,500 USD
 
Cartier Paris Yellow Gold Tank Louis Watch

Cartier Paris Yellow Gold Tank Louis Watch

Cartier Paris Yellow Gold Tank Louis Watch

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Cartier - Cartier Paris Yellow Gold Tonneau Mechanical Watch - The Keystone Watches

Cartier Paris Yellow Gold Tonneau Mechanical Watch

Cartier Paris Yellow Gold Tonneau Mechanical Watch

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Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

$62,000 USD
 
Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

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Cartier Tank Normale Jumbo 10-Line, European Watch and Clock 1944

Cartier Tank Normale Jumbo 10-Line, European Watch and Clock 1944

Cartier Tank Normale Jumbo 10-Line, European Watch and Clock 1944

$70,000 USD
 

Cartier Vintage Love Bracelet by Aldo Cipullo Circa 1970 (Objet)

Cartier Vintage Love Bracelet by Aldo Cipullo Circa 1970 (Objet)

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Cartier - Cartier Yellow & White Gold Cushion Trianon Strap Watch - The Keystone Watches

Cartier Yellow & White Gold Cushion Trianon Strap Watch

Cartier Yellow & White Gold Cushion Trianon Strap Watch

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Cartier Yellow Gold and Black Enamel and Diamond Panthere Ref. WF3071B9

Cartier Yellow Gold and Black Enamel and Diamond Panthere Ref. WF3071B9

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Cartier - Cartier Yellow Gold and Enamel Travel Watch - The Keystone Watches

Cartier Yellow Gold and Enamel Travel Watch

Cartier Yellow Gold and Enamel Travel Watch

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Cartier - Cartier Yellow Gold Asymmetrical Tank Watch, Piece Unique - The Keystone Watches

Cartier Yellow Gold Asymmetrical Tank Watch, Piece Unique

Cartier Yellow Gold Asymmetrical Tank Watch, Piece Unique

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Cartier - Cartier Yellow Gold Asymmetrical Tank Watch, with Original Box and Certificate - The Keystone Watches

Cartier Yellow Gold Asymmetrical Tank Watch, with Original Box and Certificate

Cartier Yellow Gold Asymmetrical Tank Watch, with Original Box and Certificate

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Cartier - Cartier Yellow Gold Automatic Pasha Ref. 1989 with Rare Black Dial - The Keystone Watches

Cartier Yellow Gold Automatic Pasha Ref. 1989 with Rare Black Dial

Cartier Yellow Gold Automatic Pasha Ref. 1989 with Rare Black Dial

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Cartier Yellow Gold Baignoire Bangle Watch Ref. WGBA0021

Cartier Yellow Gold Baignoire Bangle Watch Ref. WGBA0021

Cartier Yellow Gold Baignoire Bangle Watch Ref. WGBA0021

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Cartier - Cartier Yellow Gold Baignoire London - The Keystone Watches

Cartier Yellow Gold Baignoire London

Cartier Yellow Gold Baignoire London

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Cartier - Cartier Yellow Gold Bamboo Coussin Watch - The Keystone Watches

Cartier Yellow Gold Bamboo Coussin Watch

Cartier Yellow Gold Bamboo Coussin Watch

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Cartier - Cartier Yellow Gold Bamboo Coussin Watch - The Keystone Watches

Cartier Yellow Gold Bamboo Coussin Watch

Cartier Yellow Gold Bamboo Coussin Watch

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Cartier Yellow Gold Box Makeup Compact, London Jacques Cartier from 1932 (Objet)

Cartier Yellow Gold Box Makeup Compact, London Jacques Cartier from 1932 (Objet)

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Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers (New Arrival)

$15,000 USD
 
Cartier White Gold Baignoire Mini Ref. W1518956 (New Arrival)

Cartier White Gold Baignoire Mini Ref. W1518956 (New Arrival)

Cartier White Gold Baignoire Mini Ref. W1518956 (New Arrival)

$8,400 USD
 
Gerald Genta Steel Mickey Mouse Ref. G3712 70th Anniversary Watch with Mother of Pearl Dial (New Arrival)

Gerald Genta Steel Mickey Mouse Ref. G3712 70th Anniversary Watch with Mother of Pearl Dial (New Arrival)

Gerald Genta Steel Mickey Mouse Ref. G3712 70th Anniversary Watch with Mother of Pearl Dial (New Arrival)

$18,500 USD
 
Franck Muller Rose Gold Cintree Curvex Perpetual Chronograph Ref. 6850 (New Arrival)

Franck Muller Rose Gold Cintree Curvex Perpetual Chronograph Ref. 6850 (New Arrival)

Franck Muller Rose Gold Cintree Curvex Perpetual Chronograph Ref. 6850 (New Arrival)

$32,000 USD
 
Patek Philippe Yellow Gold Watch Ref. 3859 with Onyx and Mother of Pearl (New Arrival)

Patek Philippe Yellow Gold Watch Ref. 3859 with Onyx and Mother of Pearl (New Arrival)

Patek Philippe Yellow Gold Watch Ref. 3859 with Onyx and Mother of Pearl (New Arrival)

$26,000 USD
 
Cartier Yellow Gold Tonneau Watch, Circa 1950s with European Watch & Clock Movement (New Arrival)

Cartier Yellow Gold Tonneau Watch, Circa 1950s with European Watch & Clock Movement (New Arrival)

Cartier Yellow Gold Tonneau Watch, Circa 1950s with European Watch & Clock Movement (New Arrival)

$22,000 USD
 
Cartier Two-Tone Panthere Ref. 7669 with Rare Obsidian Stone Dial (New Arrival)

Cartier Two-Tone Panthere Ref. 7669 with Rare Obsidian Stone Dial (New Arrival)

Cartier Two-Tone Panthere Ref. 7669 with Rare Obsidian Stone Dial (New Arrival)

$29,000 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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