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Audemars Piguet - Audemars Piguet Royal Oak Automatic Watch Ref. 4100 - The Keystone Watches

Audemars Piguet Royal Oak Automatic Watch Ref. 4100

Audemars Piguet Royal Oak Automatic Watch Ref. 4100

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Rolex - Rolex Rose Gold Yacht-Master Rainbow Watch Ref. 116695 - The Keystone Watches

Rolex Rose Gold Yacht-Master Rainbow Watch Ref. 116695

Rolex Rose Gold Yacht-Master Rainbow Watch Ref. 116695

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Rolex - Rolex Yellow Gold Day-Date Diamond Ruby Watch - The Keystone Watches

Rolex Yellow Gold Day-Date Diamond Ruby Watch

Rolex Yellow Gold Day-Date Diamond Ruby Watch

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Audemars Piguet - Audemars Piguet White Gold Bracelet Watch - The Keystone Watches

Audemars Piguet White Gold Bracelet Watch

Audemars Piguet White Gold Bracelet Watch

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Audemars Piguet - Audemars Piguet Yellow Gold Skeletonized Diamond Birds Watch - The Keystone Watches

Audemars Piguet Yellow Gold Skeletonized Diamond Birds Watch

Audemars Piguet Yellow Gold Skeletonized Diamond Birds Watch

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Patek Philippe - Patek Philippe Nautlus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Nautlus Watch Ref. 3800

Patek Philippe Nautlus Watch Ref. 3800

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Rolex - Rolex Platinum Masterpiece Baguette Diamond BraceletRef. 18956 - The Keystone Watches

Rolex Platinum Masterpiece Baguette Diamond BraceletRef. 18956

Rolex Platinum Masterpiece Baguette Diamond BraceletRef. 18956

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Piaget - Piaget Yellow Gold Skeletonized Lapis Lazuli Chronograph Watch - The Keystone Watches

Piaget Yellow Gold Skeletonized Lapis Lazuli Chronograph Watch

Piaget Yellow Gold Skeletonized Lapis Lazuli Chronograph Watch

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Cartier - Cartier Platinum Santos Dumont Watch, Ref. 1575 - The Keystone Watches

Cartier Platinum Santos Dumont Watch, Ref. 1575

Cartier Platinum Santos Dumont Watch, Ref. 1575

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Rolex - Rolex Cosmograph Zenith Daytona Watch Ref. 16520 - The Keystone Watches

Rolex Cosmograph Zenith Daytona Watch Ref. 16520

Rolex Cosmograph Zenith Daytona Watch Ref. 16520

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Rolex - Rolex Steel Date Watch Ref. 1500, with Original Caseback Sticker - The Keystone Watches

Rolex Steel Date Watch Ref. 1500, with Original Caseback Sticker

Rolex Steel Date Watch Ref. 1500, with Original Caseback Sticker

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Richard Mille - Richard Mille Extra Flat Automatic Skeleton Green Van Niekerk Watch Ref. RM67-02 - The Keystone Watches

Richard Mille Extra Flat Automatic Skeleton Green Van Niekerk Watch Ref. RM67-02

Richard Mille Extra Flat Automatic Skeleton Green Van Niekerk Watch Ref. RM67-02

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Rolex - Rolex White Gold Cosmograph Daytona Rainbow Watch Ref. 116599 - The Keystone Watches

Rolex White Gold Cosmograph Daytona Rainbow Watch Ref. 116599

Rolex White Gold Cosmograph Daytona Rainbow Watch Ref. 116599

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Rolex - Rolex Explorer I Watch Ref. 14270 with Original Papers - The Keystone Watches

Rolex Explorer I Watch Ref. 14270 with Original Papers

Rolex Explorer I Watch Ref. 14270 with Original Papers

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Moonphase Day-Date Watch Ref. 5594 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Moonphase Day-Date Watch Ref. 5594

Audemars Piguet Yellow Gold Royal Oak Moonphase Day-Date Watch Ref. 5594

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Patek Philippe - Patek Philippe Travel Time White Gold On Bracelet Ref. 5034 - The Keystone Watches

Patek Philippe Travel Time White Gold On Bracelet Ref. 5034

Patek Philippe Travel Time White Gold On Bracelet Ref. 5034

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Cartier - Cartier Yellow Gold Tank Gondole Strap Watch - The Keystone Watches

Cartier Yellow Gold Tank Gondole Strap Watch

Cartier Yellow Gold Tank Gondole Strap Watch

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Jaeger LeCoultre - Jaeger Lecoultre Rose Gold Reverso Moonphase Reserve De Marche Watch - The Keystone Watches

Jaeger Lecoultre Rose Gold Reverso Moonphase Reserve De Marche Watch

Jaeger Lecoultre Rose Gold Reverso Moonphase Reserve De Marche Watch

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Rolex - Rolex Yellow Gold Day-Date OysterQuartz Watch Ref. 19018, in Never Worn Condition - The Keystone Watches

Rolex Yellow Gold Day-Date OysterQuartz Watch Ref. 19018, in Never Worn Condition

Rolex Yellow Gold Day-Date OysterQuartz Watch Ref. 19018, in Never Worn Condition

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Patek Philippe - Patek Philippe Aquanaut Jumbo Watch Ref. 5065 - The Keystone Watches

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 5120 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 5120

Patek Philippe Yellow Gold Calatrava Watch Ref. 5120

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Audemars Piguet - Audemars Piguet White Gold Ultra-Thin Bracelet Watch - The Keystone Watches

Audemars Piguet White Gold Ultra-Thin Bracelet Watch

Audemars Piguet White Gold Ultra-Thin Bracelet Watch

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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 White Gold Rectangular Watch with Lapis Watch (New Arrival)

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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