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Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960P-016

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960P-016

Sold Out

 

Patek Philippe White Gold Chronograph Watch Ref. 5070 (New Arrival)

Patek Philippe White Gold Chronograph Watch Ref. 5070 (New Arrival)

Sold Out

 
Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5374 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5374

Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5374

$875,000 USD
 
Patek Philippe - Patek Philippe Platinum Grand Complications Minute Repeater Watch Ref. 5207 - The Keystone Watches

Patek Philippe Platinum Grand Complications Minute Repeater Watch Ref. 5207

Patek Philippe Platinum Grand Complications Minute Repeater Watch Ref. 5207

"Price upon request"
 

Rolex Yellow Gold GMT Master II Ref. 126718

Rolex Yellow Gold GMT Master II Ref. 126718

Sold Out

 

F.P. Journe Repetition Souverain Minute Repeater Watch

F.P. Journe Repetition Souverain Minute Repeater Watch

Sold Out

 

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 3970

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 3970

Sold Out

 

Patek Philippe Yellow Gold Perpetual Calendar Baguette Watch Ref. 3990

Patek Philippe Yellow Gold Perpetual Calendar Baguette Watch Ref. 3990

"Price upon request"
 

Patek Philippe Platinum Perpetual Calendar Split Seconds Watch Ref. 5204

Patek Philippe Platinum Perpetual Calendar Split Seconds Watch Ref. 5204

Sold Out

 

Patek Philippe Platinum World Time Watch Ref. 5131, Single Sealed

Patek Philippe Platinum World Time Watch Ref. 5131, Single Sealed

Sold Out

 
Audemars Piguet Rose Gold Concept Flying Tourbillon Ref 26228, Limited Edition of Five

Audemars Piguet Rose Gold Concept Flying Tourbillon Ref 26228, Limited Edition of Five

Audemars Piguet Rose Gold Concept Flying Tourbillon Ref 26228, Limited Edition of Five

$450,000 USD
 

Audemars Piguet White Gold Royal Oak Ref. 15054 with Diamond and Emerald Dial

Audemars Piguet White Gold Royal Oak Ref. 15054 with Diamond and Emerald Dial

Sold Out

 
Patek Philippe White Gold Flower Handcraft Ref. 5075

Patek Philippe White Gold Flower Handcraft Ref. 5075

Patek Philippe White Gold Flower Handcraft Ref. 5075

$110,000 USD
 
A. Lange & Sohne - A. Lange & Sohne Platinum 1815 Tourbillon Watch Ref. 730.025 - The Keystone Watches

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

$205,000 USD
 

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

Sold Out

 
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

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New Arrivals Preview
 
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
 
Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

$8,750 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
 
Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

$23,500 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
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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