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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Ref. 66464 with Original Diamonds - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Ref. 66464 with Original Diamonds

Audemars Piguet Yellow Gold Royal Oak Ref. 66464 with Original Diamonds

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Rolex - Rolex Yellow Gold Day-Date Ref. 18138 with Factory Diamonds - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 18138 with Factory Diamonds

Rolex Yellow Gold Day-Date Ref. 18138 with Factory Diamonds

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Vacheron Constantin - Vacheron Constantin White Gold Vintage Watch Ref. 6394 - The Keystone Watches

Vacheron Constantin White Gold Vintage Watch Ref. 6394

Vacheron Constantin White Gold Vintage Watch Ref. 6394

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Vacheron Constantin - Vacheron Constantin Yellow Gold Bracelet Watch Ref. 44003 with Factory Diamond and Onyx Dial - The Keystone Watches

Vacheron Constantin Yellow Gold Bracelet Watch Ref. 44003 with Factory Diamond and Onyx Dial

Vacheron Constantin Yellow Gold Bracelet Watch Ref. 44003 with Factory Diamond and Onyx Dial

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Rolex - Rolex Platinum Day-Date Ref. 18206 - The Keystone Watches

Rolex Platinum Day-Date Ref. 18206

Rolex Platinum Day-Date Ref. 18206

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Ref. 3919 on a Bracelet - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Ref. 3919 on a Bracelet

Patek Philippe Yellow Gold Calatrava Ref. 3919 on a Bracelet

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Rolex - Rolex Steel Dominos Air-King Ref. 14000 - The Keystone Watches

Rolex Steel Dominos Air-King Ref. 14000

Rolex Steel Dominos Air-King Ref. 14000

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Patek Philippe - Patek Philippe White Gold Bracelet Watch Ref. 3649 with Onyx Dial - The Keystone Watches

Patek Philippe White Gold Bracelet Watch Ref. 3649 with Onyx Dial

Patek Philippe White Gold Bracelet Watch Ref. 3649 with Onyx Dial

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Cartier - Cartier Yellow Gold Tank Louis Ref. 8110 on a Bracelet - The Keystone Watches

Cartier Yellow Gold Tank Louis Ref. 8110 on a Bracelet

Cartier Yellow Gold Tank Louis Ref. 8110 on a Bracelet

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

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960P

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960P

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IWC - IWC Yellow Gold Da Vinci Perpetual Calendar Chronograph Ref. IW3750 - The Keystone Watches

IWC Yellow Gold Da Vinci Perpetual Calendar Chronograph Ref. IW3750

IWC Yellow Gold Da Vinci Perpetual Calendar Chronograph Ref. IW3750

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Cartier - Cartier Yellow Gold Paris Crash 1991 - The Keystone Watches

Cartier Yellow Gold Paris Crash 1991

Cartier Yellow Gold Paris Crash 1991

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Patek Philippe - Patek Philippe Yellow Gold Ellipse Ref. 3987 - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Ref. 3987

Patek Philippe Yellow Gold Ellipse Ref. 3987

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H. Moser & Cie - H. Moser & Cie. White Gold Swiss Alp Zzzz Ref. 5324-0207 - The Keystone Watches

H. Moser & Cie. White Gold Swiss Alp Zzzz Ref. 5324-0207

H. Moser & Cie. White Gold Swiss Alp Zzzz Ref. 5324-0207

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Rolex - Rolex Steel Datejust Ref. 116234 with Blue Vignette Dial - The Keystone Watches

Rolex Steel Datejust Ref. 116234 with Blue Vignette Dial

Rolex Steel Datejust Ref. 116234 with Blue Vignette Dial

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Rolex Yellow Gold Day-Date Ref. 18238 with White Roman Dial

Rolex Yellow Gold Day-Date Ref. 18238 with White Roman Dial

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Rolex - Rolex Steel Paul Newman Daytona Watch Ref. 6239 - The Keystone Watches

Rolex Steel Paul Newman Daytona Watch Ref. 6239

Rolex Steel Paul Newman Daytona Watch Ref. 6239

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Patek Philippe Yellow Gold Calatrava Watch Ref. 565

Patek Philippe Yellow Gold Calatrava Watch Ref. 565

Patek Philippe Yellow Gold Calatrava Watch Ref. 565

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 2526 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 2526

Patek Philippe Yellow Gold Calatrava Watch Ref. 2526

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

Audemars Piguet White Gold Bamboo Watch

Audemars Piguet White Gold Bamboo Watch

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Jaeger LeCoultre - Jaeger LeCoultre White Gold Tonneau Mystery - The Keystone Watches

Jaeger LeCoultre White Gold Tonneau Mystery

Jaeger LeCoultre White Gold Tonneau Mystery

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3800/103 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800/103

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800/103

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

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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