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Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

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Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

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Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

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Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 retailed by Gubelin in Top Condition

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 retailed by Gubelin in Top Condition

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Original Box and Papers - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Original Box and Papers

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Original Box and Papers

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Rare White Roman Numerals Dial - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Rare White Roman Numerals Dial

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Rare White Roman Numerals Dial

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3800/103 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800/103

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800/103

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3900 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3900

Patek Philippe Yellow Gold Nautilus Watch Ref. 3900

Sold Out

 

Patek Philippe Yellow Gold Nautilus Watch Ref. 4700

Patek Philippe Yellow Gold Nautilus Watch Ref. 4700

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Patek Philippe Yellow Gold Neptune Moonphase Power Reserve Ref. 5085

Patek Philippe Yellow Gold Neptune Moonphase Power Reserve Ref. 5085

Patek Philippe Yellow Gold Neptune Moonphase Power Reserve Ref. 5085

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Patek Philippe - Patek Philippe Yellow Gold Officers Grey Roman Dial Ref. 5022 - The Keystone Watches

Patek Philippe Yellow Gold Officers Grey Roman Dial Ref. 5022

Patek Philippe Yellow Gold Officers Grey Roman Dial Ref. 5022

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Patek Philippe - Patek Philippe Yellow Gold Onyx Dial Ref. 3733 - The Keystone Watches

Patek Philippe Yellow Gold Onyx Dial Ref. 3733

Patek Philippe Yellow Gold Onyx Dial Ref. 3733

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Patek Philippe - Patek Philippe Yellow Gold Onyx Dial Strap Watch Ref. 3729 - The Keystone Watches

Patek Philippe Yellow Gold Onyx Dial Strap Watch Ref. 3729

Patek Philippe Yellow Gold Onyx Dial Strap Watch Ref. 3729

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Patek Philippe - Patek Philippe Yellow Gold Onyx Diamond Watch - The Keystone Watches

Patek Philippe Yellow Gold Onyx Diamond Watch

Patek Philippe Yellow Gold Onyx Diamond Watch

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Patek Philippe - Patek Philippe Yellow Gold Onyx Watch, Ref. 3729 - The Keystone Watches

Patek Philippe Yellow Gold Onyx Watch, Ref. 3729

Patek Philippe Yellow Gold Onyx Watch, Ref. 3729

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Patek Philippe - Patek Philippe Yellow Gold Oversized Watch Ref. 2511, 1954 - The Keystone Watches

Patek Philippe Yellow Gold Oversized Watch Ref. 2511, 1954

Patek Philippe Yellow Gold Oversized Watch Ref. 2511, 1954

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Patek Philippe - Patek Philippe Yellow Gold Pagoda Commemoration 1997 Watch Ref. 5500 - The Keystone Watches

Patek Philippe Yellow Gold Pagoda Commemoration 1997 Watch Ref. 5500

Patek Philippe Yellow Gold Pagoda Commemoration 1997 Watch Ref. 5500

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Patek Philippe - Patek Philippe Yellow Gold Pepita Ref. 4121 - The Keystone Watches

Patek Philippe Yellow Gold Pepita Ref. 4121

Patek Philippe Yellow Gold Pepita Ref. 4121

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 3945 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 3945

Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 3945

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 5039 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 5039

Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 5039

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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 - Patek Philippe Yellow Gold Perpetual Calendar Chrono Baguette Watch Ref. 3990 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chrono Baguette Watch Ref. 3990

Patek Philippe Yellow Gold Perpetual Calendar Chrono Baguette Watch Ref. 3990

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chrono Watch Ref. 3970 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chrono Watch Ref. 3970

Patek Philippe Yellow Gold Perpetual Calendar Chrono Watch Ref. 3970

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chrono Watch Ref. 5020 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chrono Watch Ref. 5020

Patek Philippe Yellow Gold Perpetual Calendar Chrono Watch Ref. 5020

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

Patek Philippe Yellow Gold Perpetual Calendar Chrono Watch Ref. 5970

Patek Philippe Yellow Gold Perpetual Calendar Chrono Watch Ref. 5970

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chronograph Fourth Series Ref. 2499 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Fourth Series Ref. 2499

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Fourth Series Ref. 2499

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

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 3970

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 3970

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

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 5270

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 5270

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 2499 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 2499

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 2499

Sold Out

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

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970

Sold Out

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

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970

Sold Out

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

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970

Sold Out

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

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970

Sold Out

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

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 5970

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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