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Patek Philippe Yellow Gold Diamond Nautilus Ref. 4700 with Emerald Markers

Patek Philippe Yellow Gold Diamond Nautilus Ref. 4700 with Emerald Markers

Patek Philippe Yellow Gold Diamond Nautilus Ref. 4700 with Emerald Markers

Sold Out

 
Rolex Steel Paul Newman Daytona Ref. 6239

Rolex Steel Paul Newman Daytona Ref. 6239

Rolex Steel Paul Newman Daytona Ref. 6239

Sold Out

 
Rolex Rose Gold Datejust Ref. 1601 with Diamond Indices

Rolex Rose Gold Datejust Ref. 1601 with Diamond Indices

Rolex Rose Gold Datejust Ref. 1601 with Diamond Indices

$45,000 USD
 
Patek Philippe Steel Nautilus Ref. 3700

Patek Philippe Steel Nautilus Ref. 3700

Patek Philippe Steel Nautilus Ref. 3700

$145,000 USD
 
Audemars Piguet Yellow Gold Diamond & Sapphire Rectangular Royal Oak Watch

Audemars Piguet Yellow Gold Diamond & Sapphire Rectangular Royal Oak Watch

Audemars Piguet Yellow Gold Diamond & Sapphire Rectangular Royal Oak Watch

$108,000 USD
 
Rolex White Gold Daytona Ref. 116599 (New Arrival)

Rolex White Gold Daytona Ref. 116599 (New Arrival)

Rolex White Gold Daytona Ref. 116599 (New Arrival)

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Rolex Steel Precision UFO Ref. 9083 with Honeycomb Dial

Rolex Steel Precision UFO Ref. 9083 with Honeycomb Dial

Rolex Steel Precision UFO Ref. 9083 with Honeycomb Dial

$6,800 USD
 
Rolex Yellow Gold Day-Date Ref. 18338 with Fossil Dial

Rolex Yellow Gold Day-Date Ref. 18338 with Fossil Dial

Rolex Yellow Gold Day-Date Ref. 18338 with Fossil Dial

$49,000 USD
 
Rolex Yellow Gold Day Date Ref. 18038 with Wood Dial  (New Arrival)

Rolex Yellow Gold Day Date Ref. 18038 with Wood Dial (New Arrival)

Rolex Yellow Gold Day Date Ref. 18038 with Wood Dial (New Arrival)

Sold Out

 
Rolex Steel Oyster Seaforth Observatory Ref. 2280 (New Arrival)

Rolex Steel Oyster Seaforth Observatory Ref. 2280 (New Arrival)

Rolex Steel Oyster Seaforth Observatory Ref. 2280 (New Arrival)

$10,500 USD
 
Rolex White Gold Day-Date Ref. 118239 with Lapis Lazuli Dial

Rolex White Gold Day-Date Ref. 118239 with Lapis Lazuli Dial

Rolex White Gold Day-Date Ref. 118239 with Lapis Lazuli Dial

$60,000 USD
 
Audemars Piguet - Audemars Piguet Steel Ref. 5402 D-Series - The Keystone Watches

Audemars Piguet Steel Ref. 5402 D-Series

Audemars Piguet Steel Ref. 5402 D-Series

Sold Out

 
Audemars Piguet Yellow Gold Royal Oak Ref. 5402

Audemars Piguet Yellow Gold Royal Oak Ref. 5402

Audemars Piguet Yellow Gold Royal Oak Ref. 5402

$108,000 USD
 
Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Ceramic Dial

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Ceramic Dial

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Ceramic Dial

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Rolex Steel Explorer II Orange Hand Ref. 1655 MK2 (New Arrival)

Rolex Steel Explorer II Orange Hand Ref. 1655 MK2 (New Arrival)

Rolex Steel Explorer II Orange Hand Ref. 1655 MK2 (New Arrival)

$29,500 USD
 
Rolex - Rolex Yellow Gold Datejust Ref. 6913 with Oxblood Stella Dial - The Keystone Watches

Rolex Yellow Gold Datejust Ref. 6913 with Oxblood Stella Dial

Rolex Yellow Gold Datejust Ref. 6913 with Oxblood Stella Dial

$25,000 USD
 
Audemars Piguet Steel Royal Oak Ref. 56023 (New Arrival)

Audemars Piguet Steel Royal Oak Ref. 56023 (New Arrival)

Audemars Piguet Steel Royal Oak Ref. 56023 (New Arrival)

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Rolex Steel Paul Newman Daytona Ref. 6262

Rolex Steel Paul Newman Daytona Ref. 6262

Rolex Steel Paul Newman Daytona Ref. 6262

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Rolex Steel Submariner Ref. 5513 with Nice Patina, Circa 1984 (New Arrival)

Rolex Steel Submariner Ref. 5513 with Nice Patina, Circa 1984 (New Arrival)

Rolex Steel Submariner Ref. 5513 with Nice Patina, Circa 1984 (New Arrival)

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Rolex White Gold Day-Date Ref. 18039 with Attractive Tropical Dial (New Arrival)

Rolex White Gold Day-Date Ref. 18039 with Attractive Tropical Dial (New Arrival)

Rolex White Gold Day-Date Ref. 18039 with Attractive Tropical Dial (New Arrival)

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Rolex Rose Gold Chronogrape Anti-Magnetique Piccolino Ref. 3055

Rolex Rose Gold Chronogrape Anti-Magnetique Piccolino Ref. 3055

Rolex Rose Gold Chronogrape Anti-Magnetique Piccolino Ref. 3055

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Rolex White Gold GMT Master II Ref. 116759SARU Sapphire and Ruby Bezel with Pave Diamond Dial and Card (New Arrival)

Rolex White Gold GMT Master II Ref. 116759SARU Sapphire and Ruby Bezel with Pave Diamond Dial and Card (New Arrival)

Rolex White Gold GMT Master II Ref. 116759SARU Sapphire and Ruby Bezel with Pave Diamond Dial and Card (New Arrival)

Sold Out

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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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