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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270, in Unworn Condition - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270, in Unworn Condition

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270, in Unworn Condition

Sold Out

 
Daniel Roth - Daniel Roth Tourbillon, Retrograde Skeleton, Chronograph, Three Watch Set - The Keystone Watches

Daniel Roth Tourbillon, Retrograde Skeleton, Chronograph, Three Watch Set

Daniel Roth Tourbillon, Retrograde Skeleton, Chronograph, Three Watch Set

Sold Out

 
Omega - Omega Speedmaster Automatic Chronograph Watch Ref. 3510.82 - The Keystone Watches

Omega Speedmaster Automatic Chronograph Watch Ref. 3510.82

Omega Speedmaster Automatic Chronograph Watch Ref. 3510.82

Sold Out

 
Audemars Piguet - Audemars Piguet Royal Oak Chronograph Watch Ref. 26331 - The Keystone Watches

Audemars Piguet Royal Oak Chronograph Watch Ref. 26331

Audemars Piguet Royal Oak Chronograph Watch Ref. 26331

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Audemars Piguet - Audemars Piguet Royal Oak Offshore Chronograph Watch Ref. 26480 - The Keystone Watches

Audemars Piguet Royal Oak Offshore Chronograph Watch Ref. 26480

Audemars Piguet Royal Oak Offshore Chronograph Watch Ref. 26480

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Patek Philippe - Patek Philippe Rose Gold Chronograph Watch Ref. 5070, Completely Unworn - The Keystone Watches

Patek Philippe Rose Gold Chronograph Watch Ref. 5070, Completely Unworn

Patek Philippe Rose Gold Chronograph Watch Ref. 5070, Completely Unworn

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

Patek Philippe White Gold Perpetual Calendar Chronograph Watch, Ref. 5270

Patek Philippe White Gold Perpetual Calendar Chronograph Watch, Ref. 5270

Sold Out

 
Patek Philippe - Patek Philippe Platinum Split Seconds Perpetual Monopoissor Chronograph Watch Ref. 5951 - The Keystone Watches

Patek Philippe Platinum Split Seconds Perpetual Monopoissor Chronograph Watch Ref. 5951

Patek Philippe Platinum Split Seconds Perpetual Monopoissor Chronograph Watch Ref. 5951

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Patek Philippe - Patek Philippe Platinum Perpetual Split Seconds Chronograph Watch Ref. 5004 - The Keystone Watches

Patek Philippe Platinum Perpetual Split Seconds Chronograph Watch Ref. 5004

Patek Philippe Platinum Perpetual Split Seconds Chronograph Watch Ref. 5004

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

Patek Philippe White Gold Perpetual Chronograph Watch Ref. 5270

Patek Philippe White Gold Perpetual Chronograph Watch Ref. 5270

Sold Out

 
Omega - Omega Speedmaster Yellow Gold Chronograph - The Keystone Watches

Omega Speedmaster Yellow Gold Chronograph

Omega Speedmaster Yellow Gold Chronograph

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Rolex - Rolex Oyster Chronograph Anti-Magnetic Watch Ref. 6234 - The Keystone Watches

Rolex Oyster Chronograph Anti-Magnetic Watch Ref. 6234

Rolex Oyster Chronograph Anti-Magnetic Watch Ref. 6234

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Vacheron Constantin - Vacheron Constantin Royal Eagle Chronograph Watch - The Keystone Watches

Vacheron Constantin Royal Eagle Chronograph Watch

Vacheron Constantin Royal Eagle Chronograph Watch

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Chronograph Watch Ref. 5970 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe Rose Gold Perpetual Calendar Chronograph Watch Ref. 5970

Sold Out

 
Patek Philippe - Patek Philippe Annual Calendar Chronograph Watch Ref. 5905 - The Keystone Watches

Patek Philippe Annual Calendar Chronograph Watch Ref. 5905

Patek Philippe Annual Calendar Chronograph Watch Ref. 5905

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Cartier - Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2762 - The Keystone Watches

Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2762

Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2762

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Breitling - Breitling Steel Chronograph Ref. 815, also Known as the Long Playing Chronograph - The Keystone Watches

Breitling Steel Chronograph Ref. 815, also Known as the Long Playing Chronograph

Breitling Steel Chronograph Ref. 815, also Known as the Long Playing Chronograph

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Rolex - Rolex Oyster Chronograph Jean Claude Killy Watch, Ref. 6236 - The Keystone Watches

Rolex Oyster Chronograph Jean Claude Killy Watch, Ref. 6236

Rolex Oyster Chronograph Jean Claude Killy Watch, Ref. 6236

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Patek Philippe - Patek Philippe Platinum Annual Calendar Chronograph Watch, Ref. 5960 - The Keystone Watches

Patek Philippe Platinum Annual Calendar Chronograph Watch, Ref. 5960

Patek Philippe Platinum Annual Calendar Chronograph Watch, Ref. 5960

Sold Out

 
Rolex - Rolex Oyster Chronograph Anti-Magnetic Watch Ref. 6234 - The Keystone Watches

Rolex Oyster Chronograph Anti-Magnetic Watch Ref. 6234

Rolex Oyster Chronograph Anti-Magnetic Watch Ref. 6234

Sold Out

 
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

Sold Out

 
Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5170 - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5170

Patek Philippe Platinum Chronograph Watch Ref. 5170

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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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