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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chrono Watch Ref. 5970 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chrono Watch Ref. 5970

Patek Philippe White Gold Perpetual Calendar Chrono Watch Ref. 5970

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Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 3970

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 3970

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 3970 (New Arrival) - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 3970 (New Arrival)

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 3970 (New Arrival)

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Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5270G

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5270G

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5270G

$122,000 USD
 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5270G-018 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5270G-018

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5270G-018

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5970 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5970

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5970

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

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270

Sold Out

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

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270

Sold Out

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

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270, in Unworn Condition - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270, in Unworn Condition

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270, in Unworn Condition

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270G-013 with Original Box and Papers - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270G-013 with Original Box and Papers

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270G-013 with Original Box and Papers

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5970 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5970

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5970 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5970

Sold Out

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

Patek Philippe White Gold Perpetual Calendar Chronograph Watch, Ref. 5270

Patek Philippe White Gold Perpetual Calendar Chronograph Watch, Ref. 5270

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Ref. 5041 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Ref. 5041

Patek Philippe White Gold Perpetual Calendar Ref. 5041

Sold Out

 

Patek Philippe White Gold Perpetual Calendar Ref. 5159

Patek Philippe White Gold Perpetual Calendar Ref. 5159

Sold Out

 
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

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Retrograde Watch Ref. 5159 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Retrograde Watch Ref. 5159

Patek Philippe White Gold Perpetual Calendar Retrograde Watch Ref. 5159

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Tiffany & Co. Watch Ref. 5970 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Tiffany & Co. Watch Ref. 5970

Patek Philippe White Gold Perpetual Calendar Tiffany & Co. Watch Ref. 5970

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 3941 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3941

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3941

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 5040 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5040

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5040

Sold Out

 
Patek Philippe White Gold Perpetual Calendar Watch Ref. 5040

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5040

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5040

$44,000 USD
 
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

 
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

 
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

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140 (NEW ARRIVAL)

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140 (NEW ARRIVAL)

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 5160, Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5160, Retailed by Tiffany & Co.

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5160, Retailed by Tiffany & Co.

Sold Out

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

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5270

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5270

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
 
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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