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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5270G - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5270G

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5270G

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Rolex Yellow Gold Day Date Watch Ref. 1802

Rolex Yellow Gold Day Date Watch Ref. 1802

Rolex Yellow Gold Day Date Watch Ref. 1802

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Patek Philippe White Gold Calatrava Ref. 5006 with Factory Dialmonds

Patek Philippe White Gold Calatrava Ref. 5006 with Factory Dialmonds

Patek Philippe White Gold Calatrava Ref. 5006 with Factory Dialmonds

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Audemars Piguet Rose Gold John Shaeffer Watch Ref. 4985OR, Anniversary Edition

Audemars Piguet Rose Gold John Shaeffer Watch Ref. 4985OR, Anniversary Edition

Audemars Piguet Rose Gold John Shaeffer Watch Ref. 4985OR, Anniversary Edition

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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
 
Audemars Piguet Platinum Jump Hour Minute Repeater Ref. 26151

Audemars Piguet Platinum Jump Hour Minute Repeater Ref. 26151

Audemars Piguet Platinum Jump Hour Minute Repeater Ref. 26151

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Vacheron Constantin Yellow Gold 222 Ref. 46003 with Box and Extract Paper

Vacheron Constantin Yellow Gold 222 Ref. 46003 with Box and Extract Paper

Vacheron Constantin Yellow Gold 222 Ref. 46003 with Box and Extract Paper

$51,500 USD
 
Cartier Yellow Gold Extra Plate Tank Ref. 96065

Cartier Yellow Gold Extra Plate Tank Ref. 96065

Cartier Yellow Gold Extra Plate Tank Ref. 96065

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Audemars Piguet - Audemars Piguet Ladies Steel Royal Oak Offshore Ref. 29290ST - The Keystone Watches

Audemars Piguet Ladies Steel Royal Oak Offshore Ref. 29290ST

Audemars Piguet Ladies Steel Royal Oak Offshore Ref. 29290ST

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Rolex Steel Explorer Watch Ref. 14270 with Tritium Dial and Original Papers

Rolex Steel Explorer Watch Ref. 14270 with Tritium Dial and Original Papers

Rolex Steel Explorer Watch Ref. 14270 with Tritium Dial and Original Papers

Sold Out

 
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
 
Audemars Piguet - Audemars Piguet Yellow Gold Octagonal Automatic Watch - The Keystone Watches

Audemars Piguet Yellow Gold Octagonal Automatic Watch

Audemars Piguet Yellow Gold Octagonal Automatic Watch

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Vacheron Constantin White Gold Phidias Ref. 48010 with Pave Diamond Dial

Vacheron Constantin White Gold Phidias Ref. 48010 with Pave Diamond Dial

Vacheron Constantin White Gold Phidias Ref. 48010 with Pave Diamond Dial

$18,500 USD
 
Audemars Piguet Yellow Gold Skeleton Automatic Watch Ref. 5442

Audemars Piguet Yellow Gold Skeleton Automatic Watch Ref. 5442

Audemars Piguet Yellow Gold Skeleton Automatic Watch Ref. 5442

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Patek Philippe - Patek Philippe Platinum Calatrava Watch Ref. 5196 - The Keystone Watches

Patek Philippe Platinum Calatrava Watch Ref. 5196

Patek Philippe Platinum Calatrava Watch Ref. 5196

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Patek Philippe White Gold Calatrava Officers Watch Ref. 4860

Patek Philippe White Gold Calatrava Officers Watch Ref. 4860

Patek Philippe White Gold Calatrava Officers Watch Ref. 4860

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Patek Philippe Platinum Gondolo Watch Ref. 5098

Patek Philippe Platinum Gondolo Watch Ref. 5098

Patek Philippe Platinum Gondolo Watch Ref. 5098

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Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

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Patek Philippe White Gold Ellipse Watch Ref. 3589

Patek Philippe White Gold Ellipse Watch Ref. 3589

Patek Philippe White Gold Ellipse Watch Ref. 3589

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Rolex Yellow Gold Day-Date Ref. 18238 with L Serial in Nice Condition (New Arrival)

Rolex Yellow Gold Day-Date Ref. 18238 with L Serial in Nice Condition (New Arrival)

Rolex Yellow Gold Day-Date Ref. 18238 with L Serial in Nice Condition (New Arrival)

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Audemars Piguet Two-Tone Royal Oak Ref. 56303 Very Nice Condition

Audemars Piguet Two-Tone Royal Oak Ref. 56303 Very Nice Condition

Audemars Piguet Two-Tone Royal Oak Ref. 56303 Very Nice Condition

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Patek Philippe - Patek Philippe Yellow Gold Aquanaut Watch Ref. 5066 (New Arrival) - The Keystone Watches

Patek Philippe Yellow Gold Aquanaut Watch Ref. 5066 (New Arrival)

Patek Philippe Yellow Gold Aquanaut Watch Ref. 5066 (New Arrival)

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New Arrivals Preview
 
Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

$125,000 USD
 
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
 
Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

$55,000 USD
 
Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

$21,000 USD
 
Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

$175,000 USD
 
Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

$70,000 USD
 
Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

$48,000 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.

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