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Patek Philippe Yellow Gold Calatrava Ref. 2526 with Scallop Bracelet

Patek Philippe Yellow Gold Calatrava Ref. 2526 with Scallop Bracelet

Patek Philippe Yellow Gold Calatrava Ref. 2526 with Scallop Bracelet

Sold Out

 
Audemars Piguet Steel Royal Oak Ref. 5402ST Early A Series

Audemars Piguet Steel Royal Oak Ref. 5402ST Early A Series

Audemars Piguet Steel Royal Oak Ref. 5402ST Early A Series

Sold Out

 
Patek Philippe Steel Aquanaut Ref. 5060 with Original Papers

Patek Philippe Steel Aquanaut Ref. 5060 with Original Papers

Patek Philippe Steel Aquanaut Ref. 5060 with Original Papers

Sold Out

 
Rolex Steel Date Ref. 1530

Rolex Steel Date Ref. 1530

Rolex Steel Date Ref. 1530

Sold Out

 
Patek Philippe Yellow Gold Calatrava Watch Ref. 3445 with Original Papers

Patek Philippe Yellow Gold Calatrava Watch Ref. 3445 with Original Papers

Patek Philippe Yellow Gold Calatrava Watch Ref. 3445 with Original Papers

$25,000 USD
 
Boucheron - Boucheron Yellow Gold Lapis Watch in Original Fitted Box (New Arrival) - The Keystone Watches

Boucheron Yellow Gold Lapis Watch in Original Fitted Box (New Arrival)

Boucheron Yellow Gold Lapis Watch in Original Fitted Box (New Arrival)

$10,500 USD
 
Cartier Yellow Gold Tank, 1940s

Cartier Yellow Gold Tank, 1940s

Cartier Yellow Gold Tank, 1940s

$18,750 USD
 
A. Lange & Sohne - A. Lange & Sohne Platinum Saxonia Ref. 105.025 - The Keystone Watches

A. Lange & Sohne Platinum Saxonia Ref. 105.025

A. Lange & Sohne Platinum Saxonia Ref. 105.025

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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

 
Cartier - Cartier Yellow Gold Cloisonne Rooster Tortue Ref. 2496 - The Keystone Watches

Cartier Yellow Gold Cloisonne Rooster Tortue Ref. 2496

Cartier Yellow Gold Cloisonne Rooster Tortue Ref. 2496

$54,000 USD
 
Cartier Yellow Gold Label Watch

Cartier Yellow Gold Label Watch

Cartier Yellow Gold Label Watch

$16,000 USD
 
Rolex Steel Paul Newman Daytona Ref. 6239

Rolex Steel Paul Newman Daytona Ref. 6239

Rolex Steel Paul Newman Daytona Ref. 6239

Sold Out

 
Patek Philippe Yellow Gold Beta 21 Watch Ref. 3587

Patek Philippe Yellow Gold Beta 21 Watch Ref. 3587

Patek Philippe Yellow Gold Beta 21 Watch Ref. 3587

$62,000 USD
 
Hublot Yellow Gold MDM Cloisonne Ship Cover Watch Ref. 1589.8

Hublot Yellow Gold MDM Cloisonne Ship Cover Watch Ref. 1589.8

Hublot Yellow Gold MDM Cloisonne Ship Cover Watch Ref. 1589.8

$28,000 USD
 
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
 
Vacheron Constantin Steel 222 Ref. 46003/411

Vacheron Constantin Steel 222 Ref. 46003/411

Vacheron Constantin Steel 222 Ref. 46003/411

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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 and White Gold Watch with Sapphires

Audemars Piguet Yellow Gold and White Gold Watch with Sapphires

Audemars Piguet Yellow Gold and White Gold Watch with Sapphires

$50,000 USD
 
Cartier Yellow Gold Tank Obus Savonette, 1930

Cartier Yellow Gold Tank Obus Savonette, 1930

Cartier Yellow Gold Tank Obus Savonette, 1930

$225,000 USD
 
Patek Philippe - Patek Philippe White Gold Beta 21 Ref. 3587 on Swiss Cheese Bracelet - The Keystone Watches

Patek Philippe White Gold Beta 21 Ref. 3587 on Swiss Cheese Bracelet

Patek Philippe White Gold Beta 21 Ref. 3587 on Swiss Cheese Bracelet

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Patek Philippe Pink Gold Minute Repeater Unique Baguette Dial Ref. 5013

Patek Philippe Pink Gold Minute Repeater Unique Baguette Dial Ref. 5013

Patek Philippe Pink Gold Minute Repeater Unique Baguette Dial Ref. 5013

$900,000 USD
 
Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers

Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers

Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers

$15,000 USD
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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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