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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5020 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5020

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5020

"Price upon request"
 

Patek Philippe Rose Gold Annual Calendar Ref. 5035, One of 100 Made for AC Milan

Patek Philippe Rose Gold Annual Calendar Ref. 5035, One of 100 Made for AC Milan

Sold Out

 
Patek Philippe - Patek Philippe Platinum Calatrava Ref. 5196 - The Keystone Watches

Patek Philippe Platinum Calatrava Ref. 5196

Patek Philippe Platinum Calatrava Ref. 5196

Sold Out

 

Patek Philippe White Gold Calatrava Ref. 3919

Patek Philippe White Gold Calatrava Ref. 3919

Sold Out

 

Patek Philippe Yellow Gold Watch Ref. 3567

Patek Philippe Yellow Gold Watch Ref. 3567

Sold Out

 

Patek Philippe White Gold Chronograph Ref. 5170G

Patek Philippe White Gold Chronograph Ref. 5170G

Sold Out

 

Patek White Gold Golden Ellipse Watch Ref. 3594

Patek White Gold Golden Ellipse Watch Ref. 3594

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Diamond & Sapphire Watch Ref. 4665 - The Keystone Watches

Patek Philippe Yellow Gold Diamond & Sapphire Watch Ref. 4665

Patek Philippe Yellow Gold Diamond & Sapphire Watch Ref. 4665

Sold Out

 

Patek Philippe White Gold World Time Ref. 5110

Patek Philippe White Gold World Time Ref. 5110

Sold Out

 

Patek Philippe Yellow Gold Calarava Ref. 3919

Patek Philippe Yellow Gold Calarava Ref. 3919

Sold Out

 

Patek Philippe Yellow Gold Automatic Watch Ref. 3861

Patek Philippe Yellow Gold Automatic Watch Ref. 3861

Sold Out

 

Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960

Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960

Sold Out

 

Patek Philippe White Gold Ellipse Ref. 3548

Patek Philippe White Gold Ellipse Ref. 3548

Sold Out

 

Patek Philippe Yellow Gold Golden Ellipse Mechanical Watch Ref. 3583

Patek Philippe Yellow Gold Golden Ellipse Mechanical Watch Ref. 3583

Sold Out

 

Patek Philippe Yellow Gold Ellipse Watch Ref. 3948

Patek Philippe Yellow Gold Ellipse Watch Ref. 3948

Sold Out

 

Patek Philippe Yellow Gold Calatrava Ref. 3919 on Rare Chain Link Bracelet

Patek Philippe Yellow Gold Calatrava Ref. 3919 on Rare Chain Link Bracelet

Sold Out

 

Patek Philippe Yellow Gold Calatrava Ref. 3558

Patek Philippe Yellow Gold Calatrava Ref. 3558

Sold Out

 

Patek Philippe Steel Nautilus Ref. 3800

Patek Philippe Steel Nautilus Ref. 3800

Sold Out

 

Patek Philippe Yellow Gold Ellipse Watch Ref. 3987

Patek Philippe Yellow Gold Ellipse Watch Ref. 3987

Sold Out

 

Patek Philippe Yellow Gold Calatrava Ref. 3919 on Bracelet

Patek Philippe Yellow Gold Calatrava Ref. 3919 on Bracelet

Sold Out

 

Patek Philippe White Gold Golden Circle Watch Ref. 3644

Patek Philippe White Gold Golden Circle Watch Ref. 3644

Sold Out

 

Patek Philippe Yellow Gold Circle Watch Ref. 3844

Patek Philippe Yellow Gold Circle Watch Ref. 3844

Sold Out

 

Patek Philippe Platinum Minute Repeater Watch Ref. 5078

Patek Philippe Platinum Minute Repeater Watch Ref. 5078

Sold Out

 

Patek Philippe White Gold Square Watch Ref. 3494

Patek Philippe White Gold Square Watch Ref. 3494

Sold Out

 

Patek Philippe Yellow Gold Nautilus Ref. 5066

Patek Philippe Yellow Gold Nautilus Ref. 5066

Sold Out

 

Patek Philippe White Gold Nautilus Watch Ref. 4700

Patek Philippe White Gold Nautilus Watch Ref. 4700

Sold Out

 

Patek Philippe White Gold Golden Ellipse on Bracelet Ref. 3739/1

Patek Philippe White Gold Golden Ellipse on Bracelet Ref. 3739/1

Sold Out

 

Patek Philippe Yellow Gold Skeleton Watch Ref. 3883

Patek Philippe Yellow Gold Skeleton Watch Ref. 3883

Sold Out

 

Patek Philippe Yellow Gold Ellipse Ref. 3738

Patek Philippe Yellow Gold Ellipse Ref. 3738

Sold Out

 
Patek Philippe - Patek Philippe White Gold Annual Calendar Watch Ref. 5205 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Watch Ref. 5205

Patek Philippe White Gold Annual Calendar Watch Ref. 5205

Sold Out

 

Patek Philippe White Gold Ellipse Ref. 3648 with Tropical Dial

Patek Philippe White Gold Ellipse Ref. 3648 with Tropical Dial

Sold Out

 

Patek Philippe White Gold Vintage Watch Ref. 3528

Patek Philippe White Gold Vintage Watch Ref. 3528

Sold Out

 

Patek White Gold and Onyx Integrated Watch Ref. 4429

Patek White Gold and Onyx Integrated Watch Ref. 4429

Sold Out

 

Patek Philippe Yellow Gold Watch Ref. 3467

Patek Philippe Yellow Gold Watch Ref. 3467

Sold Out

 

Patek Philippe Yellow Gold Bracelet Watch Ref. 3491

Patek Philippe Yellow Gold Bracelet Watch Ref. 3491

Sold Out

 

Patek Philippe Yellow Gold Automatic Watch Ref. 3604

Patek Philippe Yellow Gold Automatic Watch Ref. 3604

Sold Out

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New Arrivals Preview
 
Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

"Price upon request"
 
Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

$9,800 USD
 
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)

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

$18,750 USD
 
Boucheron - Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival) - The Keystone Watches

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

$9,500 USD
 
Rolex - Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival) - The Keystone Watches

Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival)

Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival)

$7,500 USD
 
Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

$15,500 USD
 
Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

$15,000 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.

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