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Chopard - Chopard Yellow Gold Opal Watch - The Keystone Watches

Chopard Yellow Gold Opal Watch

Chopard Yellow Gold Opal Watch

Sold Out

 
Cartier - Cartier Yellow Gold Santos Carree Diamond - The Keystone Watches

Cartier Yellow Gold Santos Carree Diamond

Cartier Yellow Gold Santos Carree Diamond

Sold Out

 
IWC - IWC Yellow Gold Perpetual Calendar Chronograph Da Vinci Ref. IW9253-05 - The Keystone Watches

IWC Yellow Gold Perpetual Calendar Chronograph Da Vinci Ref. IW9253-05

IWC Yellow Gold Perpetual Calendar Chronograph Da Vinci Ref. IW9253-05

Sold Out

 
Ulysse Nardin - Ulysse Nardin White Gold Sonata Cathedral Dual Time Ref. 670-88 - The Keystone Watches

Ulysse Nardin White Gold Sonata Cathedral Dual Time Ref. 670-88

Ulysse Nardin White Gold Sonata Cathedral Dual Time Ref. 670-88

Sold Out

 

Cartier Platinum Vendome Ronde Louis Ref. 1297

Cartier Platinum Vendome Ronde Louis Ref. 1297

Sold Out

 
Jaeger LeCoultre - Jaeger Lecoultre White Gold Bamboo Watch - The Keystone Watches

Jaeger Lecoultre White Gold Bamboo Watch

Jaeger Lecoultre White Gold Bamboo Watch

$6,500 USD
 
Piaget - Piaget Yellow Gold and Onyx Watch Ref. 9341 - The Keystone Watches

Piaget Yellow Gold and Onyx Watch Ref. 9341

Piaget Yellow Gold and Onyx Watch Ref. 9341

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Piaget - Piaget Yellow Gold, Diamond and Emerald Watch Ref. 15301 - The Keystone Watches

Piaget Yellow Gold, Diamond and Emerald Watch Ref. 15301

Piaget Yellow Gold, Diamond and Emerald Watch Ref. 15301

$40,000 USD
 
Daniel Roth - Daniel Roth 8-Day Double Face Tourbillon Diamond & Sapphire Watch Ref. 197.x.60 - The Keystone Watches

Daniel Roth 8-Day Double Face Tourbillon Diamond & Sapphire Watch Ref. 197.x.60

Daniel Roth 8-Day Double Face Tourbillon Diamond & Sapphire Watch Ref. 197.x.60

Sold Out

 
Cartier - Cartier Yellow Gold Tank Travel Clock, Sold in London - The Keystone Watches

Cartier Yellow Gold Tank Travel Clock, Sold in London

Cartier Yellow Gold Tank Travel Clock, Sold in London

Sold Out

 
Cartier - Cartier Steel Black Lacquer Santos Dumont Ref. WSSA0046 - The Keystone Watches

Cartier Steel Black Lacquer Santos Dumont Ref. WSSA0046

Cartier Steel Black Lacquer Santos Dumont Ref. WSSA0046

Sold Out

 

Cartier Platinum Ronde Louis Ref. W1528051 CPCP Collection

Cartier Platinum Ronde Louis Ref. W1528051 CPCP Collection

Sold Out

 
Piaget - Piaget White Gold Emperador Diamond Ref. 9131 - The Keystone Watches

Piaget White Gold Emperador Diamond Ref. 9131

Piaget White Gold Emperador Diamond Ref. 9131

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Corum - Corum Yellow Gold Rolls Royce Mechanical Watch Ref. 55595 - The Keystone Watches

Corum Yellow Gold Rolls Royce Mechanical Watch Ref. 55595

Corum Yellow Gold Rolls Royce Mechanical Watch Ref. 55595

$8,500 USD
 

Cartier White Gold Cintree Dual Time Watch Ref. 2767 with Chinese Characters

Cartier White Gold Cintree Dual Time Watch Ref. 2767 with Chinese Characters

Sold Out

 

Cartier Yellow Gold Pocket Watch, European Watch & Clock Movement

Cartier Yellow Gold Pocket Watch, European Watch & Clock Movement

$6,500 USD
 

Cartier Rose Gold Clash [Un]Limited Watch Ref. WGMB0003

Cartier Rose Gold Clash [Un]Limited Watch Ref. WGMB0003

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Cartier - Cartier Rose Gold Tank a Vis Dual Time Ref. 2594 - The Keystone Watches

Cartier Rose Gold Tank a Vis Dual Time Ref. 2594

Cartier Rose Gold Tank a Vis Dual Time Ref. 2594

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Girard Perregaux - Girard Perregaux Triple Platinum Minute Repeater - The Keystone Watches

Girard Perregaux Triple Platinum Minute Repeater

Girard Perregaux Triple Platinum Minute Repeater

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Laurent Ferrier - Laurent Ferrier Square Micro Rotor California Dial - The Keystone Watches

Laurent Ferrier Square Micro Rotor California Dial

Laurent Ferrier Square Micro Rotor California Dial

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Gevril - Gevril Stainless Steel Tribeca Ref. R004 - The Keystone Watches

Gevril Stainless Steel Tribeca Ref. R004

Gevril Stainless Steel Tribeca Ref. R004

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Philippe Dufour - Philippe Dufour Platinum Simplicity Watch - The Keystone Watches

Philippe Dufour Platinum Simplicity Watch

Philippe Dufour Platinum Simplicity Watch

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Cartier - Cartier White Gold Tank Watch - The Keystone Watches

Cartier White Gold Tank Watch

Cartier White Gold Tank Watch

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Cartier Yellow Gold Mechanical Watch

Cartier Yellow Gold Mechanical Watch

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Piaget - Piaget White Gold Diamond Watch, Retailed by Tiffany & Co. - The Keystone Watches

Piaget White Gold Diamond Watch, Retailed by Tiffany & Co.

Piaget White Gold Diamond Watch, Retailed by Tiffany & Co.

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne White Gold Annual Calendar Watch Ref. 330.026 - The Keystone Watches

A. Lange & Sohne White Gold Annual Calendar Watch Ref. 330.026

A. Lange & Sohne White Gold Annual Calendar Watch Ref. 330.026

Sold Out

 

Cartier Yellow Gold Helm Gouvernail Watch

Cartier Yellow Gold Helm Gouvernail Watch

Sold Out

 
Piaget - Piaget Yellow Gold TV Shaped Watch with Malachite Dial - The Keystone Watches

Piaget Yellow Gold TV Shaped Watch with Malachite Dial

Piaget Yellow Gold TV Shaped Watch with Malachite Dial

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Cartier - Cartier Yellow Gold Santos Ref. 78097 with Paris Dial - The Keystone Watches

Cartier Yellow Gold Santos Ref. 78097 with Paris Dial

Cartier Yellow Gold Santos Ref. 78097 with Paris Dial

Sold Out

 

Piaget Yellow Gold and Opal Watch

Piaget Yellow Gold and Opal Watch

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Piaget - Piaget White Gold Diamond Watch Ref. 9131C4 - The Keystone Watches

Piaget White Gold Diamond Watch Ref. 9131C4

Piaget White Gold Diamond Watch Ref. 9131C4

Sold Out

 
Piaget - Piaget White Gold Diamond Emperador Watch Ref. 9131C20 - The Keystone Watches

Piaget White Gold Diamond Emperador Watch Ref. 9131C20

Piaget White Gold Diamond Emperador Watch Ref. 9131C20

Sold Out

 
Cartier - Cartier Yellow Gold Tank Obus Carree Watch Ref. 2380, CPCP Edition of 100 Pieces - The Keystone Watches

Cartier Yellow Gold Tank Obus Carree Watch Ref. 2380, CPCP Edition of 100 Pieces

Cartier Yellow Gold Tank Obus Carree Watch Ref. 2380, CPCP Edition of 100 Pieces

Sold Out

 
Piaget - Piaget White Gold Pave Watch Ref. 9352H24 - The Keystone Watches

Piaget White Gold Pave Watch Ref. 9352H24

Piaget White Gold Pave Watch Ref. 9352H24

Sold Out

 
Cartier - Cartier Rose Gold Tank Ref. WGTA0011 - The Keystone Watches

Cartier Rose Gold Tank Ref. WGTA0011

Cartier Rose Gold Tank Ref. WGTA0011

Sold Out

 
Cartier - Cartier White Gold Baignoire Watch - The Keystone Watches

Cartier White Gold Baignoire Watch

Cartier White Gold Baignoire Watch

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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