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Breguet Yellow Gold Perpetual Calendar Watch Ref. 3050BA, Early Series

Breguet Yellow Gold Perpetual Calendar Watch Ref. 3050BA, Early Series

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Breguet - Breguet Yellow Gold Tradition Skeleton Watch Ref. 7027 - The Keystone Watches

Breguet Yellow Gold Tradition Skeleton Watch Ref. 7027

Breguet Yellow Gold Tradition Skeleton Watch Ref. 7027

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Breguet Yellow Gold Vintage Classique Power Reserve Ref. 3380

Breguet Yellow Gold Vintage Classique Power Reserve Ref. 3380

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Breguet Yellow Gold Vintage Classique Watch

Breguet Yellow Gold Vintage Classique Watch

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Breitling - Breitling Yellow Gold Montbrilliant Spatiographe Watch - The Keystone Watches

Breitling Yellow Gold Montbrilliant Spatiographe Watch

Breitling Yellow Gold Montbrilliant Spatiographe Watch

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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)

$8,000 USD
 
Bulgari Monete Coin Ring (Objet)

Bulgari Monete Coin Ring (Objet)

Bulgari Monete Coin Ring (Objet)

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Bulgari Ring, Circa 1970 (Objet)

Bulgari Ring, Circa 1970 (Objet)

$3,500 USD
 
Bulgari Yellow Gold Monete Coin Necklace (Objet)

Bulgari Yellow Gold Monete Coin Necklace (Objet)

Bulgari Yellow Gold Monete Coin Necklace (Objet)

$58,000 USD
 

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 Louis Watch

Cartier Paris Yellow Gold Tank Louis Watch

$14,500 USD
 
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 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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Cartier Yellow Gold Bumper Automatic Watch, European Watch & Clock

Cartier Yellow Gold Bumper Automatic Watch, European Watch & Clock

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Cartier - Cartier Yellow Gold Cabriolet Reversible Watch - The Keystone Watches

Cartier Yellow Gold Cabriolet Reversible Watch

Cartier Yellow Gold Cabriolet Reversible 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 Ceinture - The Keystone Watches

Cartier Yellow Gold Ceinture

Cartier Yellow Gold Ceinture

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Cartier - Cartier Yellow Gold Ceinture Automatique Watch - The Keystone Watches

Cartier Yellow Gold Ceinture Automatique Watch

Cartier Yellow Gold Ceinture Automatique Watch

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Cartier - Cartier Yellow Gold Ceinture Onyx & Diamond Watch - The Keystone Watches

Cartier Yellow Gold Ceinture Onyx & Diamond Watch

Cartier Yellow Gold Ceinture Onyx & Diamond Watch

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Cartier - Cartier Yellow Gold Coin Watch in Original Box, Circa 1930 - The Keystone Watches

Cartier Yellow Gold Coin Watch in Original Box, Circa 1930

Cartier Yellow Gold Coin Watch in Original Box, Circa 1930

$25,000 USD
 
Cartier Yellow Gold Colisee with Factory Original Diamonds

Cartier Yellow Gold Colisee with Factory Original Diamonds

Cartier Yellow Gold Colisee with Factory Original Diamonds

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Cartier Yellow Gold Collection Prive Baignoire Allongee from 1991

Cartier Yellow Gold Collection Prive Baignoire Allongee from 1991

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New Arrivals Preview
 
Rolex - Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival) - The Keystone Watches

Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival)

Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival)

$15,500 USD
 
Rolex White Gold Cellini Ref. 4083 (New Arrival)

Rolex White Gold Cellini Ref. 4083 (New Arrival)

Rolex White Gold Cellini Ref. 4083 (New Arrival)

$4,500 USD
 
Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

$9,800 USD
 
Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

$15,000 USD
 
Rolex - Rolex Yellow Gold Day-Date Ref. 18238 in Original Condition (New Arrival) - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 18238 in Original Condition (New Arrival)

Rolex Yellow Gold Day-Date Ref. 18238 in Original Condition (New Arrival)

$17,500 USD
 
Patek Philippe - Patek Philiipe White Gold Pocket Watch Ref. 874 (New Arrival) - The Keystone Watches

Patek Philiipe White Gold Pocket Watch Ref. 874 (New Arrival)

Patek Philiipe White Gold Pocket Watch Ref. 874 (New Arrival)

$23,500 USD
 
Patek Philippe - Patek Philippe Yellow Gold Watch Ref. 3479 Retailed by Beyer (New Arrival) - The Keystone Watches

Patek Philippe Yellow Gold Watch Ref. 3479 Retailed by Beyer (New Arrival)

Patek Philippe Yellow Gold Watch Ref. 3479 Retailed by Beyer (New Arrival)

$8,500 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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