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Gruen Art Deco Yellow Gold & Jade Lapel Watch (Objet)

Gruen Art Deco Yellow Gold & Jade Lapel Watch (Objet)

Sold Out

 
Bulgari - Bulgari Monete Ancient Coin Ring from 4th Century BC (Objet) - The Keystone Watches

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

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

$8,000 USD
 

Piaget White Gold Diamond Watch Ref. 9066 with Pave Dial

Piaget White Gold Diamond Watch Ref. 9066 with Pave Dial

$11,500 USD
 
Chopard - Chopard Vintage Yellow Gold Oval Link Band Watch (New Arrival) - The Keystone Watches

Chopard Vintage Yellow Gold Oval Link Band Watch (New Arrival)

Chopard Vintage Yellow Gold Oval Link Band Watch (New Arrival)

Sold Out

 

Cartier White Gold Baignoire Ref. W15189L2 (New Arrival)

Cartier White Gold Baignoire Ref. W15189L2 (New Arrival)

Sold Out

 

Piaget White Gold Tradition Ref. 9352 (New Arrival)

Piaget White Gold Tradition Ref. 9352 (New Arrival)

Sold Out

 

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

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

Sold Out

 

Breguet White Gold Classique Watch Ref. 5197

Breguet White Gold Classique Watch Ref. 5197

$12,000 USD
 

Piaget Yellow Gold TV Shape Automatic Watch Ref. 13431A6

Piaget Yellow Gold TV Shape Automatic Watch Ref. 13431A6

Sold Out

 

Gubelin Yellow Gold, Sapphire and Diamond Cover Watch

Gubelin Yellow Gold, Sapphire and Diamond Cover Watch

$16,500 USD
 
Tiffany & Co. - Tiffany & Co. Sapphire Diamond Art Deco Watch - The Keystone Watches

Tiffany & Co. Sapphire Diamond Art Deco Watch

Tiffany & Co. Sapphire Diamond Art Deco Watch

Sold Out

 

IWC Yellow Gold Turquoise & Diamond Watch

IWC Yellow Gold Turquoise & Diamond Watch

$65,000 USD
 
Tiffany & Co. - Tiffany & Co Yellow Gold and Lapis Cufflinks (Objet) - The Keystone Watches

Tiffany & Co Yellow Gold and Lapis Cufflinks (Objet)

Tiffany & Co Yellow Gold and Lapis Cufflinks (Objet)

$1,500 USD
 

Van Cleef & Arpels Yellow and White Gold Cufflinks with Onyx Bars (Objet)

Van Cleef & Arpels Yellow and White Gold Cufflinks with Onyx Bars (Objet)

$2,300 USD
 
Piaget - Piaget Yellow Gold Baguette Diamond & Ruby Cover Watch - The Keystone Watches

Piaget Yellow Gold Baguette Diamond & Ruby Cover Watch

Piaget Yellow Gold Baguette Diamond & Ruby Cover Watch

$350,000 USD
 

Hermes Yellow Gold Horse Bit Cufflinks (Objet)

Hermes Yellow Gold Horse Bit Cufflinks (Objet)

Sold Out

 

Piaget Yellow Gold Diamond Bangle Watch

Piaget Yellow Gold Diamond Bangle Watch

$65,000 USD
 

Piaget White Gold Diamond Watch Ref. 1304

Piaget White Gold Diamond Watch Ref. 1304

$6,500 USD
 

Piaget Yellow Gold Lapis Pendent Necklace Watch

Piaget Yellow Gold Lapis Pendent Necklace Watch

$40,000 USD
 

Chopard Yellow Gold Tigers Eye Bracelet Watch retailed by Satsky & Co.

Chopard Yellow Gold Tigers Eye Bracelet Watch retailed by Satsky & Co.

$18,000 USD
 

Piaget Yellow Gold Coral Watch by Andre Vassort Ref. 9921V89

Piaget Yellow Gold Coral Watch by Andre Vassort Ref. 9921V89

$45,000 USD
 

Piaget White Gold Diamond & Sapphire Watch Ref. 40030

Piaget White Gold Diamond & Sapphire Watch Ref. 40030

$140,000 USD
 

Piaget Vintage Yellow Gold Dancer Ref. 4131

Piaget Vintage Yellow Gold Dancer Ref. 4131

Sold Out

 

Chopard White Gold Onyx & Diamond Watch, by Kutchinsky

Chopard White Gold Onyx & Diamond Watch, by Kutchinsky

Sold Out

 

Piaget White Gold Onyx and Diamond Ref. 9826D2

Piaget White Gold Onyx and Diamond Ref. 9826D2

Sold Out

 
Piaget - Piaget White Gold Lapis Square Watch Ref. 9902 with Original Box and Papers - The Keystone Watches

Piaget White Gold Lapis Square Watch Ref. 9902 with Original Box and Papers

Piaget White Gold Lapis Square Watch Ref. 9902 with Original Box and Papers

$7,800 USD
 

Piaget White Gold Vintage Watch Ref. 9772

Piaget White Gold Vintage Watch Ref. 9772

Sold Out

 

Piaget White Gold Vintage Onyx and Diamond Watch Ref. 9781

Piaget White Gold Vintage Onyx and Diamond Watch Ref. 9781

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Piaget White Gold Vintage Hobnail Watch Ref. 13436

Piaget White Gold Vintage Hobnail Watch Ref. 13436

Sold Out

 
Piaget - Piaget Rose Gold Altiplano Ref. G0A34113 - The Keystone Watches

Piaget Rose Gold Altiplano Ref. G0A34113

Piaget Rose Gold Altiplano Ref. G0A34113

$12,000 USD
 

Piaget Yellow Gold Bracelet Watch Ref. 75922

Piaget Yellow Gold Bracelet Watch Ref. 75922

Sold Out

 
Piaget - Piaget Yellow Gold Ladies Vintage Diamond Watch Ref. 8601 - The Keystone Watches

Piaget Yellow Gold Ladies Vintage Diamond Watch Ref. 8601

Piaget Yellow Gold Ladies Vintage Diamond Watch Ref. 8601

$14,500 USD
 

Cartier Yellow Gold Collection Prive Baignoire Allongee from 1991

Cartier Yellow Gold Collection Prive Baignoire Allongee from 1991

Sold Out

 
Cartier - Cartier Yellow Gold Cristallor Faberge Ref. 78096 - The Keystone Watches

Cartier Yellow Gold Cristallor Faberge Ref. 78096

Cartier Yellow Gold Cristallor Faberge Ref. 78096

Sold Out

 

Cartier Yellow Gold Tank Cintree

Cartier Yellow Gold Tank Cintree

Sold Out

 

Breguet Platinum Perpetual Chronograph Ref. 5617

Breguet Platinum Perpetual Chronograph Ref. 5617

Sold Out

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New Arrivals Preview
 
Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

$23,750 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL) - The Keystone Watches

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

$155,000 USD
 
Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

$14,500 USD
 
Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

$13,250 USD
 
Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

$16,500 USD
 

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

$17,750 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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