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Audemars Piguet - Audemars Piguet White Gold Code 11:59 with Smoked Blue Dial - The Keystone Watches

Audemars Piguet White Gold Code 11:59 with Smoked Blue Dial

Audemars Piguet White Gold Code 11:59 with Smoked Blue Dial

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Rolex - Rolex Platinum Cosmograph Daytona Watch Ref. 116506 with Baguette Markers - The Keystone Watches

Rolex Platinum Cosmograph Daytona Watch Ref. 116506 with Baguette Markers

Rolex Platinum Cosmograph Daytona Watch Ref. 116506 with Baguette Markers

Sold Out

 
Ulysse Nardin - Ulysse Nardin White Gold Sonata Cathedral Dual Time Ref. 670-88 - The Keystone Watches

Ulysse Nardin White Gold Sonata Cathedral Dual Time Ref. 670-88

Ulysse Nardin White Gold Sonata Cathedral Dual Time Ref. 670-88

Sold Out

 

Patek Philippe Steel Weekly Calendar Ref. 5212

Patek Philippe Steel Weekly Calendar Ref. 5212

Sold Out

 
Cartier - Cartier Steel Black Lacquer Santos Dumont Ref. WSSA0046 - The Keystone Watches

Cartier Steel Black Lacquer Santos Dumont Ref. WSSA0046

Cartier Steel Black Lacquer Santos Dumont Ref. WSSA0046

Sold Out

 

Patek Philippe Unique Platinum Monopusher Split Seconds Chronograph Ref. 5959

Patek Philippe Unique Platinum Monopusher Split Seconds Chronograph Ref. 5959

"Price upon request"
 

Patek Philippe Platinum 10 Day Tourbillon Ref. 5101P

Patek Philippe Platinum 10 Day Tourbillon Ref. 5101P

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Patek Philippe - Patek Philippe Platinum Grand Complication Minute Repeater Ref. 5316 - The Keystone Watches

Patek Philippe Platinum Grand Complication Minute Repeater Ref. 5316

Patek Philippe Platinum Grand Complication Minute Repeater Ref. 5316

Sold Out

 
Patek Philippe - Patek Philippe Steel Annual Calendar Chronograph Ref. 5960 - The Keystone Watches

Patek Philippe Steel Annual Calendar Chronograph Ref. 5960

Patek Philippe Steel Annual Calendar Chronograph Ref. 5960

Sold Out

 
Laurent Ferrier - Laurent Ferrier Square Micro Rotor California Dial - The Keystone Watches

Laurent Ferrier Square Micro Rotor California Dial

Laurent Ferrier Square Micro Rotor California Dial

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Patek Philippe - Patek Philippe Platinum Split Seconds Monopusher Chronograph 5959 - The Keystone Watches

Patek Philippe Platinum Split Seconds Monopusher Chronograph 5959

Patek Philippe Platinum Split Seconds Monopusher Chronograph 5959

"Price upon request"
 

Rolex White Gold Daytona Ref. 116599TBR with Baguette Diamonds

Rolex White Gold Daytona Ref. 116599TBR with Baguette Diamonds

Sold Out

 
Rolex - Rolex Yellow Gold SARU GMT-Master Ref. 116758 - The Keystone Watches

Rolex Yellow Gold SARU GMT-Master Ref. 116758

Rolex Yellow Gold SARU GMT-Master Ref. 116758

Sold Out

 
Philippe Dufour - Philippe Dufour Platinum Simplicity Watch - The Keystone Watches

Philippe Dufour Platinum Simplicity Watch

Philippe Dufour Platinum Simplicity Watch

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Watch Ref. 5236 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5236

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5236

Sold Out

 

Patek Philippe White Gold Skeletonized Calatrava Watch Ref. 7180

Patek Philippe White Gold Skeletonized Calatrava Watch Ref. 7180

Sold Out

 
Patek Philippe - Patek Philippe Platinum Minute Repeater Watch Ref. 5078 - The Keystone Watches

Patek Philippe Platinum Minute Repeater Watch Ref. 5078

Patek Philippe Platinum Minute Repeater Watch Ref. 5078

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Patek Philippe - Patek Philippe Platinum Minute Repeating Tourbillon Watch Ref. 3939 - The Keystone Watches

Patek Philippe Platinum Minute Repeating Tourbillon Watch Ref. 3939

Patek Philippe Platinum Minute Repeating Tourbillon Watch Ref. 3939

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Patek Philippe - Patek Philippe Rose Gold Nautilus Ruby Watch Ref. 5980 - The Keystone Watches

Patek Philippe Rose Gold Nautilus Ruby Watch Ref. 5980

Patek Philippe Rose Gold Nautilus Ruby Watch Ref. 5980

Sold Out

 
Rolex - Rolex Rose Gold Cellini Ref. 50515 - The Keystone Watches

Rolex Rose Gold Cellini Ref. 50515

Rolex Rose Gold Cellini Ref. 50515

Sold Out

 
Rolex - Rolex White Gold Day Date Ref. 118239 with Cherry Dial - The Keystone Watches

Rolex White Gold Day Date Ref. 118239 with Cherry Dial

Rolex White Gold Day Date Ref. 118239 with Cherry Dial

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Ref. 5270 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Ref. 5270

Patek Philippe White Gold Perpetual Calendar Ref. 5270

Sold Out

 

Patek Philippe Steel Aquanaut Ref. 5066

Patek Philippe Steel Aquanaut Ref. 5066

Sold Out

 
Cartier - Cartier Rose Gold Tank Ref. WGTA0011 - The Keystone Watches

Cartier Rose Gold Tank Ref. WGTA0011

Cartier Rose Gold Tank Ref. WGTA0011

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Rolex - Rolex Yellow Gold Daytona Ref. 116508 With Green Dial - The Keystone Watches

Rolex Yellow Gold Daytona Ref. 116508 With Green Dial

Rolex Yellow Gold Daytona Ref. 116508 With Green Dial

Sold Out

 

Rolex White Gold Submariner Diamond Sapphire Watch Ref. 116659SABR

Rolex White Gold Submariner Diamond Sapphire Watch Ref. 116659SABR

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5960 - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5960

Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5960

Sold Out

 
Rolex - Rolex White Gold Daytona Green Beach Watch Ref. 116519 - The Keystone Watches

Rolex White Gold Daytona Green Beach Watch Ref. 116519

Rolex White Gold Daytona Green Beach Watch Ref. 116519

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 5136 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5136

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5136

Sold Out

 
Cartier - Cartier Steel Santos Dumont Ref. WSSA0046 with Black Lacquer Dial - The Keystone Watches

Cartier Steel Santos Dumont Ref. WSSA0046 with Black Lacquer Dial

Cartier Steel Santos Dumont Ref. WSSA0046 with Black Lacquer Dial

Sold Out

 

Rolex Steel Submariner Ref. 116610 Retailed for the United States Secret Service

Rolex Steel Submariner Ref. 116610 Retailed for the United States Secret Service

$45,000 USD
 

Patek Philippe Platinum Grand Complication Perpetual Calendar Minute Repeater Watch Ref. 5016

Patek Philippe Platinum Grand Complication Perpetual Calendar Minute Repeater Watch Ref. 5016

Sold Out

 
Rolex - Rolex Steel Daytona Ref. 116500LN White Panda Dial - The Keystone Watches

Rolex Steel Daytona Ref. 116500LN White Panda Dial

Rolex Steel Daytona Ref. 116500LN White Panda Dial

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A. Lange & Sohne White Gold Flyback Chronograph Ref. 401.026

A. Lange & Sohne White Gold Flyback Chronograph Ref. 401.026

Sold Out

 
Rolex - Rolex Platinum Cosmograph Daytona Diamond Watch Ref. 116576 - The Keystone Watches

Rolex Platinum Cosmograph Daytona Diamond Watch Ref. 116576

Rolex Platinum Cosmograph Daytona Diamond Watch Ref. 116576

Sold Out

 
Rolex - Rolex White Gold Day Date Ref. 118239 with Blue Dial and Chinese Date - The Keystone Watches

Rolex White Gold Day Date Ref. 118239 with Blue Dial and Chinese Date

Rolex White Gold Day Date Ref. 118239 with Blue Dial and Chinese Date

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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