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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chrono Baguette Diamond Watch Ref. 5271 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chrono Baguette Diamond Watch Ref. 5271

Patek Philippe Platinum Perpetual Calendar Chrono Baguette Diamond Watch Ref. 5271

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Aquanaut Watch Ref. 5164 - The Keystone Watches

Patek Philippe Rose Gold Aquanaut Watch Ref. 5164

Patek Philippe Rose Gold Aquanaut Watch Ref. 5164

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Watch Ref. 5396 - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5396

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5396

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Richard Mille - Richard Mille Titanium Skeleton Watch Ref. RM29 - The Keystone Watches

Richard Mille Titanium Skeleton Watch Ref. RM29

Richard Mille Titanium Skeleton Watch Ref. RM29

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 5196 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 5196

Patek Philippe White Gold Calatrava Watch Ref. 5196

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Laurent Ferrier - Laurent Ferrier Steel Grand Sport Tourbillon Watch, Limited to 12 Pieces - The Keystone Watches

Laurent Ferrier Steel Grand Sport Tourbillon Watch, Limited to 12 Pieces

Laurent Ferrier Steel Grand Sport Tourbillon Watch, Limited to 12 Pieces

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Patek Philippe - Patek Philippe White Gold Moonphase Watch Ref. 5135 - The Keystone Watches

Patek Philippe White Gold Moonphase Watch Ref. 5135

Patek Philippe White Gold Moonphase Watch Ref. 5135

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Rolex - Rolex White Gold Cosmograph Daytona Ceramic Watch Ref. 116519 - The Keystone Watches

Rolex White Gold Cosmograph Daytona Ceramic Watch Ref. 116519

Rolex White Gold Cosmograph Daytona Ceramic Watch Ref. 116519

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Rolex - Rolex Cosmograph Daytona Watch Ref. 116520, with Original Box and Papers - The Keystone Watches

Rolex Cosmograph Daytona Watch Ref. 116520, with Original Box and Papers

Rolex Cosmograph Daytona Watch Ref. 116520, with Original Box and Papers

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Rolex - Rolex Cosmograph Daytona Ceramic Watch Ref. 116500 - The Keystone Watches

Rolex Cosmograph Daytona Ceramic Watch Ref. 116500

Rolex Cosmograph Daytona Ceramic Watch Ref. 116500

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Patek Philippe - Patek Philippe Aquanaut Travel Time Watch Ref. 5164 - The Keystone Watches

Patek Philippe Aquanaut Travel Time Watch Ref. 5164

Patek Philippe Aquanaut Travel Time Watch Ref. 5164

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Patek Philippe - Patek Philippe White Gold Aquanaut Khaki Green Watch Ref. 5168 - The Keystone Watches

Patek Philippe White Gold Aquanaut Khaki Green Watch Ref. 5168

Patek Philippe White Gold Aquanaut Khaki Green Watch Ref. 5168

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Audemars Piguet - Audemars Piguet Platinum Royal Oak Quantieme Perpetual Skeleton Watch, Ref. 25829PT - The Keystone Watches

Audemars Piguet Platinum Royal Oak Quantieme Perpetual Skeleton Watch, Ref. 25829PT

Audemars Piguet Platinum Royal Oak Quantieme Perpetual Skeleton Watch, Ref. 25829PT

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Rolex - Rolex Platinum Day-Date 41mm Watch Ref. 218206 - The Keystone Watches

Rolex Platinum Day-Date 41mm Watch Ref. 218206

Rolex Platinum Day-Date 41mm Watch Ref. 218206

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Rolex - Rolex Submariner Anniversary Watch Ref. 16610, with Original Box and Papers - The Keystone Watches

Rolex Submariner Anniversary Watch Ref. 16610, with Original Box and Papers

Rolex Submariner Anniversary Watch Ref. 16610, with Original Box and Papers

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Patek Philippe - Patek Philippe White Gold Chronograph Watch Ref. 5070 - The Keystone Watches

Patek Philippe White Gold Chronograph Watch Ref. 5070

Patek Philippe White Gold Chronograph Watch Ref. 5070

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Rolex - Rolex Yellow Gold Cosmograph Daytona Leopard Watch Ref. 116598 - The Keystone Watches

Rolex Yellow Gold Cosmograph Daytona Leopard Watch Ref. 116598

Rolex Yellow Gold Cosmograph Daytona Leopard Watch Ref. 116598

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Jaeger LeCoultre - Jaeger LeCoultre Rose Gold Grand Reverso Ultra Thin 1931 Watch - The Keystone Watches

Jaeger LeCoultre Rose Gold Grand Reverso Ultra Thin 1931 Watch

Jaeger LeCoultre Rose Gold Grand Reverso Ultra Thin 1931 Watch

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Rolex - Rolex Yellow Gold Day-Date Pyramid Dial Watch, Ref. 118208 - The Keystone Watches

Rolex Yellow Gold Day-Date Pyramid Dial Watch, Ref. 118208

Rolex Yellow Gold Day-Date Pyramid Dial Watch, Ref. 118208

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H. Moser & Cie - H. Moser & Cie Endeavor Concept Tourbillon Watch - The Keystone Watches

H. Moser & Cie Endeavor Concept Tourbillon Watch

H. Moser & Cie Endeavor Concept Tourbillon Watch

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 5196 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 5196

Patek Philippe Yellow Gold Calatrava Watch Ref. 5196

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Audemars Piguet - Audemars Piguet Royal Oak Tourbillon Ref. 26512, Special Edition - The Keystone Watches

Audemars Piguet Royal Oak Tourbillon Ref. 26512, Special Edition

Audemars Piguet Royal Oak Tourbillon Ref. 26512, Special Edition

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New Arrivals Preview
 
Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

$38,000 USD
 
Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

$30,000 USD
 
Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

$60,000 USD
 
Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

$58,000 USD
 
Audemars Piguet - Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival) - The Keystone Watches

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

$18,000 USD
 
Cartier Yellow Gold Tank Normale Bracelet Watch  Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

$36,000 USD
 
Cartier - Cartier Yellow Gold Tank Reverso (New Arrival) - The Keystone Watches

Cartier Yellow Gold Tank Reverso (New Arrival)

Cartier Yellow Gold Tank Reverso (New Arrival)

$34,500 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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