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Patek Philippe - Patek Philippe Rose Gold Nautilus Watch Ref. 5723 with Factory Ruby Dial and Bezel - The Keystone Watches

Patek Philippe Rose Gold Nautilus Watch Ref. 5723 with Factory Ruby Dial and Bezel

Patek Philippe Rose Gold Nautilus Watch Ref. 5723 with Factory Ruby Dial and Bezel

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Rolex - Rolex Platinum Day-Date Diamond Watch Ref. 228396 - The Keystone Watches

Rolex Platinum Day-Date Diamond Watch Ref. 228396

Rolex Platinum Day-Date Diamond Watch Ref. 228396

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Rolex - Rolex White Gold Day-Date Ref. 18239 with Salmon Dial - The Keystone Watches

Rolex White Gold Day-Date Ref. 18239 with Salmon Dial

Rolex White Gold Day-Date Ref. 18239 with Salmon Dial

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Rolex - Rolex White Gold Daytona Ref. 116509 with Pave Diamond Arabic Numeral Dial - The Keystone Watches

Rolex White Gold Daytona Ref. 116509 with Pave Diamond Arabic Numeral Dial

Rolex White Gold Daytona Ref. 116509 with Pave Diamond Arabic Numeral Dial

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Rolex - Rolex Yellow Gold Datejust Watch Ref. 16018 with Onyx Dial - The Keystone Watches

Rolex Yellow Gold Datejust Watch Ref. 16018 with Onyx Dial

Rolex Yellow Gold Datejust Watch Ref. 16018 with Onyx Dial

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Patek Philippe - Patek Philippe Platinum Calatrava Watch Ref. 5298 with Baguette Diamonds - The Keystone Watches

Patek Philippe Platinum Calatrava Watch Ref. 5298 with Baguette Diamonds

Patek Philippe Platinum Calatrava Watch Ref. 5298 with Baguette Diamonds

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Perpetual Calendar Watch Ref. 25654 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Perpetual Calendar Watch Ref. 25654

Audemars Piguet Yellow Gold Royal Oak Perpetual Calendar Watch Ref. 25654

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Audemars Piguet - Audemars Piguet Yellow Gold Quantieme Perpetual Ref. 25657 - The Keystone Watches

Audemars Piguet Yellow Gold Quantieme Perpetual Ref. 25657

Audemars Piguet Yellow Gold Quantieme Perpetual Ref. 25657

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Audemars Piguet - Audemars Piguet Steel Skeletonized Royal Oak Ref. 15305ST - The Keystone Watches

Audemars Piguet Steel Skeletonized Royal Oak Ref. 15305ST

Audemars Piguet Steel Skeletonized Royal Oak Ref. 15305ST

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Audemars Piguet - Audemars Piguet Steel Royal Oak Perpetual Calendar Skeleton Watch Ref. 25829 - The Keystone Watches

Audemars Piguet Steel Royal Oak Perpetual Calendar Skeleton Watch Ref. 25829

Audemars Piguet Steel Royal Oak Perpetual Calendar Skeleton Watch Ref. 25829

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Audemars Piguet - Audemars Piguet Ceramic Royal Oak Perpetual Calendar Watch Ref. 26579 - The Keystone Watches

Audemars Piguet Ceramic Royal Oak Perpetual Calendar Watch Ref. 26579

Audemars Piguet Ceramic Royal Oak Perpetual Calendar Watch Ref. 26579

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Audemars Piguet - Audemars Piguet Yellow Gold Calendar Moonphase Watch Ref. 25594 - The Keystone Watches

Audemars Piguet Yellow Gold Calendar Moonphase Watch Ref. 25594

Audemars Piguet Yellow Gold Calendar Moonphase Watch Ref. 25594

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Ref. 15202 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Ref. 15202

Audemars Piguet Yellow Gold Royal Oak Ref. 15202

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Rolex - Rolex Rose Gold Cosmograph Rainbow Daytona Ref. 116595 - The Keystone Watches

Rolex Rose Gold Cosmograph Rainbow Daytona Ref. 116595

Rolex Rose Gold Cosmograph Rainbow Daytona Ref. 116595

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Audemars Piguet - Audemars Piguet Platinum Royal Oak Tourbillon Watch Ref. 26535PT with Baguette Diamonds - The Keystone Watches

Audemars Piguet Platinum Royal Oak Tourbillon Watch Ref. 26535PT with Baguette Diamonds

Audemars Piguet Platinum Royal Oak Tourbillon Watch Ref. 26535PT with Baguette Diamonds

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chrono Watch Ref. 5270 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chrono Watch Ref. 5270

Patek Philippe Platinum Perpetual Calendar Chrono Watch Ref. 5270

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Richard Mille - Richard Mille Rose Gold RM67-01 with Factory Pave Diamond Case - The Keystone Watches

Richard Mille Rose Gold RM67-01 with Factory Pave Diamond Case

Richard Mille Rose Gold RM67-01 with Factory Pave Diamond Case

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Audemars Piguet - Audemars Piguet Steel Royal Oak Ref. 14790 with Tropical Dial - The Keystone Watches

Audemars Piguet Steel Royal Oak Ref. 14790 with Tropical Dial

Audemars Piguet Steel Royal Oak Ref. 14790 with Tropical Dial

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Diamond Emerald Watch Ref. 3800/5 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Diamond Emerald Watch Ref. 3800/5

Patek Philippe Yellow Gold Nautilus Diamond Emerald Watch Ref. 3800/5

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5074 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5074

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5074

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Patek Philippe - Patek Philippe Rose Gold Grand Complication Minute Repeater Ref. 5208 - The Keystone Watches

Patek Philippe Rose Gold Grand Complication Minute Repeater Ref. 5208

Patek Philippe Rose Gold Grand Complication Minute Repeater Ref. 5208

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Audemars Piguet - Audemars Piguet Platinum Royal Oak with Mother of Pearl and Diamond Dial - The Keystone Watches

Audemars Piguet Platinum Royal Oak with Mother of Pearl and Diamond Dial

Audemars Piguet Platinum Royal Oak with Mother of Pearl and Diamond Dial

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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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