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A. Lange & Sohne Platinum 1815 Tourbillon Watch Ref. 730.025

A. Lange & Sohne Platinum 1815 Tourbillon Watch Ref. 730.025

A. Lange & Sohne Platinum 1815 Tourbillon Watch Ref. 730.025

$118,000 USD
 

Vacheron Constantin Steel Overseas Tourbillon Ref. 6000V/110A

Vacheron Constantin Steel Overseas Tourbillon Ref. 6000V/110A

Sold Out

 
Patek Philippe - Patek Philippe Minute Repeater Enamel Diamond Watch Ref. 7040 - The Keystone Watches

Patek Philippe Minute Repeater Enamel Diamond Watch Ref. 7040

Patek Philippe Minute Repeater Enamel Diamond Watch Ref. 7040

$500,000 USD
 
Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5070P - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5070P

Patek Philippe Platinum Chronograph Watch Ref. 5070P

Sold Out

 

Patek Philippe Rose Gold World Time Watch Ref. 5131

Patek Philippe Rose Gold World Time Watch Ref. 5131

Sold Out

 

Rolex Rose Gold Yacht-Master Ref. 126655 (New Arrival)

Rolex Rose Gold Yacht-Master Ref. 126655 (New Arrival)

Sold Out

 

Patek Philippe Platinum Chronograph Watch Ref. 5960 with Box and Papers

Patek Philippe Platinum Chronograph Watch Ref. 5960 with Box and Papers

Sold Out

 

Rolex Steel GMT Master II Ref. 16710 with Box and Papers

Rolex Steel GMT Master II Ref. 16710 with Box and Papers

Sold Out

 
Rolex - Rolex White Gold SARU GMT-Master Diamond Sapphire Ruby Watch Ref. 116759SARU - The Keystone Watches

Rolex White Gold SARU GMT-Master Diamond Sapphire Ruby Watch Ref. 116759SARU

Rolex White Gold SARU GMT-Master Diamond Sapphire Ruby Watch Ref. 116759SARU

Sold Out

 

Patek Philippe Platinum Ellipse Ref. 5738P

Patek Philippe Platinum Ellipse Ref. 5738P

Sold Out

 

Patek Philippe Yellow Gold Perpetual Calendar Ref. 5040

Patek Philippe Yellow Gold Perpetual Calendar Ref. 5040

Sold Out

 

Rolex Steel Kermit Submariner Ref. 16610LV in NOS Condition with Y Serial (New Arrival)

Rolex Steel Kermit Submariner Ref. 16610LV in NOS Condition with Y Serial (New Arrival)

Sold Out

 

Rolex GMT-Master Ref. 16710 with Black Bezel (New Arrival)

Rolex GMT-Master Ref. 16710 with Black Bezel (New Arrival)

Sold Out

 

Patek Philippe Steel Nautilus Chronograph Ref. 5980

Patek Philippe Steel Nautilus Chronograph Ref. 5980

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Ref. 5496 with Box and Papers - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Ref. 5496 with Box and Papers

Patek Philippe Platinum Perpetual Calendar Ref. 5496 with Box and Papers

Sold Out

 

Rolex Tridor Day-Date Ref. 18239 with Mother of Pearl and Baguette Diamond Dial

Rolex Tridor Day-Date Ref. 18239 with Mother of Pearl and Baguette Diamond Dial

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Rolex - Rolex White Gold Daytona Ref. 116599 with Diamonds and Sapphires - The Keystone Watches

Rolex White Gold Daytona Ref. 116599 with Diamonds and Sapphires

Rolex White Gold Daytona Ref. 116599 with Diamonds and Sapphires

Sold Out

 
Rolex - Rolex Platinum Daytona Ref. 116576TBR with Baguette Diamonds - The Keystone Watches

Rolex Platinum Daytona Ref. 116576TBR with Baguette Diamonds

Rolex Platinum Daytona Ref. 116576TBR with Baguette Diamonds

Sold Out

 

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5307 (Private Sale)

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5307 (Private Sale)

"Price upon request"
 

Patek Philippe White Gold Chronograph Ref. 5071 (Private Sale)

Patek Philippe White Gold Chronograph Ref. 5071 (Private Sale)

"Price upon request"
 

Cartier Yellow Gold Tank Normale Ref. WGTA0108

Cartier Yellow Gold Tank Normale Ref. WGTA0108

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 World Time Ref. 5110

Patek Philippe White Gold World Time Ref. 5110

Sold Out

 

Patek Philippe Platinum Minute Repeater Watch Ref. 5078

Patek Philippe Platinum Minute Repeater Watch Ref. 5078

Sold Out

 

Rolex Yellow Gold Daytona Ref. 116508 With Green Dial

Rolex Yellow Gold Daytona Ref. 116508 With Green Dial

Sold Out

 

Rolex Steel GMT Master II Ref. 16710 in Like New Condition

Rolex Steel GMT Master II Ref. 16710 in Like New Condition

Sold Out

 

Patek Philippe White Gold Ellipse Automatic Watch Ref. 3738 with Anthracite Dial

Patek Philippe White Gold Ellipse Automatic Watch Ref. 3738 with Anthracite Dial

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074, Double Sealed - The Keystone Watches

Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074, Double Sealed

Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074, Double Sealed

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Split Seconds Watch Ref. 5204 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Split Seconds Watch Ref. 5204

Patek Philippe Platinum Perpetual Calendar Split Seconds Watch Ref. 5204

Sold Out

 

Patek Philippe Steel Nautilus Ref. 3712

Patek Philippe Steel Nautilus Ref. 3712

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Chronograph Ref. 3970 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Chronograph Ref. 3970

Patek Philippe Rose Gold Perpetual Calendar Chronograph Ref. 3970

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Celestial Watch Ref. 6102 - The Keystone Watches

Patek Philippe Rose Gold Celestial Watch Ref. 6102

Patek Philippe Rose Gold Celestial Watch Ref. 6102

Sold Out

 

Patek Philippe Rose Gold Nautilus Ref. 5712R

Patek Philippe Rose Gold Nautilus Ref. 5712R

Sold Out

 
Rolex - Rolex Platinum Day-Date Ref. 118346 - The Keystone Watches

Rolex Platinum Day-Date Ref. 118346

Rolex Platinum Day-Date Ref. 118346

Sold Out

 

Rolex White Gold Salmon Dial Day-Date Ref. 118209

Rolex White Gold Salmon Dial Day-Date Ref. 118209

Sold Out

 
Greubel Forsey - Greubel Forsey Titanium GMT Sport - The Keystone Watches

Greubel Forsey Titanium GMT Sport

Greubel Forsey Titanium GMT Sport

Sold Out

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New Arrivals Preview
 
Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

$23,750 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL) - The Keystone Watches

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

$155,000 USD
 
Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

$14,500 USD
 
Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

$13,250 USD
 
Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

$16,500 USD
 

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

$17,750 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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