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Patek Steel Calatrava Ref. 3718, Made for 150th Anniversary (New Arrival)

Patek Steel Calatrava Ref. 3718, Made for 150th Anniversary (New Arrival)

Patek Steel Calatrava Ref. 3718, Made for 150th Anniversary (New Arrival)

$24,000 USD
 
Patek Philippe - Patek Philippe Steel Aquanaut Ref. 5066 - The Keystone Watches

Patek Philippe Steel Aquanaut Ref. 5066

Patek Philippe Steel Aquanaut Ref. 5066

$39,000 USD
 
Patek Philippe - Patek Philippe Tropical Dial Nautilus Ref. 3700 with Original Box and Papers - The Keystone Watches

Patek Philippe Tropical Dial Nautilus Ref. 3700 with Original Box and Papers

Patek Philippe Tropical Dial Nautilus Ref. 3700 with Original Box and Papers

$140,000 USD
 
Patek Philippe - Patek Philippe Steel Aquanaut Ref. 5060 with Original Papers - The Keystone Watches

Patek Philippe Steel Aquanaut Ref. 5060 with Original Papers

Patek Philippe Steel Aquanaut Ref. 5060 with Original Papers

$46,500 USD
 
Patek Philippe - Patek Philippe Annual Calendar Chronograph Watch Ref. 5960 - The Keystone Watches

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960

$45,000 USD
 
Patek Philippe - Patek Philippe Steel Calatrava Ref. 3483 - The Keystone Watches

Patek Philippe Steel Calatrava Ref. 3483

Patek Philippe Steel Calatrava Ref. 3483

$27,500 USD
 
Patek Philippe - Patek Philippe Calatrava Watch Ref. 3483 - The Keystone Watches

Patek Philippe Calatrava Watch Ref. 3483

Patek Philippe Calatrava Watch Ref. 3483

$22,000 USD
New Arrivals Preview
 
Rolex Yellow Gold Day-Date Ref. 18038 with Pave Diamonds Dial (New Arrivals)

Rolex Yellow Gold Day-Date Ref. 18038 with Pave Diamonds Dial (New Arrivals)

Rolex Yellow Gold Day-Date Ref. 18038 with Pave Diamonds Dial (New Arrivals)

$38,500 USD
 
Audemars Piguet - Audemars Piguet Tantalum and Rose Gold Royal Oak Ref. 56175 (New Arrival) - The Keystone Watches

Audemars Piguet Tantalum and Rose Gold Royal Oak Ref. 56175 (New Arrival)

Audemars Piguet Tantalum and Rose Gold Royal Oak Ref. 56175 (New Arrival)

$16,500 USD
 
Piaget Yellow Gold Polo Watch Ref. 7661C with Original Diamonds (New Arrival)

Piaget Yellow Gold Polo Watch Ref. 7661C with Original Diamonds (New Arrival)

Piaget Yellow Gold Polo Watch Ref. 7661C with Original Diamonds (New Arrival)

$22,000 USD
 
Rolex - Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival) - The Keystone Watches

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

$18,750 USD
 
Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

$23,500 USD
 
Vacheron Constantin - Vacheron Constantin Rose Gold Watch with Pink Dial (New Arrival) - The Keystone Watches

Vacheron Constantin Rose Gold Watch with Pink Dial (New Arrival)

Vacheron Constantin Rose Gold Watch with Pink Dial (New Arrival)

$8,000 USD
 
Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 (New Arrival)

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 (New Arrival)

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 (New Arrival)

$78,000 USD
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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.

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