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Patek Philippe Yellow Gold Gondolo Ref. 3528

Patek Philippe Yellow Gold Gondolo Ref. 3528

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Patek Philippe Yellow Gold Gondolo Ref. 5014

Patek Philippe Yellow Gold Gondolo Ref. 5014

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Patek Philippe Yellow Gold Gondolo Ref. 5014

Patek Philippe Yellow Gold Gondolo Ref. 5014

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Patek Philippe - Patek Philippe Yellow Gold Gondolo Watch Ref. 5010 - The Keystone Watches

Patek Philippe Yellow Gold Gondolo Watch Ref. 5010

Patek Philippe Yellow Gold Gondolo Watch Ref. 5010

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Patek Philippe - Patek Philippe Yellow Gold Gondolo Watch Ref. 5030J - The Keystone Watches

Patek Philippe Yellow Gold Gondolo Watch Ref. 5030J

Patek Philippe Yellow Gold Gondolo Watch Ref. 5030J

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Patek Philippe - Patek Philippe Yellow Gold Jumbo Aquanaut Watch Ref. 5065 - The Keystone Watches

Patek Philippe Yellow Gold Jumbo Aquanaut Watch Ref. 5065

Patek Philippe Yellow Gold Jumbo Aquanaut Watch Ref. 5065

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Patek Philippe - Patek Philippe Yellow Gold Jumbo Aquanaut Watch Ref. 5065 - The Keystone Watches

Patek Philippe Yellow Gold Jumbo Aquanaut Watch Ref. 5065

Patek Philippe Yellow Gold Jumbo Aquanaut Watch Ref. 5065

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Patek Philippe - Patek Philippe Yellow Gold Jumbo Automatic Golden Circle Ref. 3585 in New Old Stock Condition - The Keystone Watches

Patek Philippe Yellow Gold Jumbo Automatic Golden Circle Ref. 3585 in New Old Stock Condition

Patek Philippe Yellow Gold Jumbo Automatic Golden Circle Ref. 3585 in New Old Stock Condition

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Patek Philippe - Patek Philippe Yellow Gold Jumbo Nautilus Watch Ref. 3700 with Archive Paper - The Keystone Watches

Patek Philippe Yellow Gold Jumbo Nautilus Watch Ref. 3700 with Archive Paper

Patek Philippe Yellow Gold Jumbo Nautilus Watch Ref. 3700 with Archive Paper

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Patek Philippe Yellow Gold Ladies Ellipse with JPE Bracelet Ref. 4226

Patek Philippe Yellow Gold Ladies Ellipse with JPE Bracelet Ref. 4226

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Patek Philippe - Patek Philippe Yellow Gold Lapis Bracelet Watch Ref. 3578 - The Keystone Watches

Patek Philippe Yellow Gold Lapis Bracelet Watch Ref. 3578

Patek Philippe Yellow Gold Lapis Bracelet Watch Ref. 3578

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Patek Philippe Yellow Gold Lapis Lazuli Ref. 4290

Patek Philippe Yellow Gold Lapis Lazuli Ref. 4290

$38,000 USD
 
Patek Philippe - Patek Philippe Yellow Gold Lapis Watch Ref. 3578 - The Keystone Watches

Patek Philippe Yellow Gold Lapis Watch Ref. 3578

Patek Philippe Yellow Gold Lapis Watch Ref. 3578

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Patek Philippe - Patek Philippe Yellow Gold Lapis Watch Ref. 3733 - The Keystone Watches

Patek Philippe Yellow Gold Lapis Watch Ref. 3733

Patek Philippe Yellow Gold Lapis Watch Ref. 3733

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Patek Philippe - Patek Philippe Yellow Gold Logo Cufflinks - The Keystone Watches

Patek Philippe Yellow Gold Logo Cufflinks

Patek Philippe Yellow Gold Logo Cufflinks

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Patek Philippe - Patek Philippe Yellow Gold Mechanical Bracelet Watch Ref. 3528 - The Keystone Watches

Patek Philippe Yellow Gold Mechanical Bracelet Watch Ref. 3528

Patek Philippe Yellow Gold Mechanical Bracelet Watch Ref. 3528

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Patek Philippe Yellow Gold Mechanical Cocktail Watch

Patek Philippe Yellow Gold Mechanical Cocktail Watch

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Patek Philippe - Patek Philippe Yellow Gold Mini Calatrava Ref. 3276 - The Keystone Watches

Patek Philippe Yellow Gold Mini Calatrava Ref. 3276

Patek Philippe Yellow Gold Mini Calatrava Ref. 3276

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Patek Philippe - Patek Philippe Yellow Gold Minute Repeater Enamel Watch Ref. 3979 (New Arrival) - The Keystone Watches

Patek Philippe Yellow Gold Minute Repeater Enamel Watch Ref. 3979 (New Arrival)

Patek Philippe Yellow Gold Minute Repeater Enamel Watch Ref. 3979 (New Arrival)

"Price upon request"
 
Patek Philippe - Patek Philippe Yellow Gold Minute Repeater Perpetual Calendar Ref. 3974 - The Keystone Watches

Patek Philippe Yellow Gold Minute Repeater Perpetual Calendar Ref. 3974

Patek Philippe Yellow Gold Minute Repeater Perpetual Calendar Ref. 3974

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Patek Philippe - Patek Philippe Yellow Gold Minute Repeater Ref. 3979 - The Keystone Watches

Patek Philippe Yellow Gold Minute Repeater Ref. 3979

Patek Philippe Yellow Gold Minute Repeater Ref. 3979

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Patek Philippe - Patek Philippe Yellow Gold Minute Repeater, Ref. 5079J - The Keystone Watches

Patek Philippe Yellow Gold Minute Repeater, Ref. 5079J

Patek Philippe Yellow Gold Minute Repeater, Ref. 5079J

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Patek Philippe - Patek Philippe Yellow Gold Nautellipse Nautilus Ref. 3770 Yellow Gold - The Keystone Watches

Patek Philippe Yellow Gold Nautellipse Nautilus Ref. 3770 Yellow Gold

Patek Philippe Yellow Gold Nautellipse Nautilus Ref. 3770 Yellow Gold

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

Patek Philippe Yellow Gold Nautilus Automatic Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Automatic Watch Ref. 3800

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

Patek Philippe Yellow Gold Nautilus Diamond & Ruby Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Diamond & Ruby Watch Ref. 3800

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Diamond Emerald Watch Ref. 3800/5 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Diamond Emerald Watch Ref. 3800/5

Patek Philippe Yellow Gold Nautilus Diamond Emerald Watch Ref. 3800/5

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Diamond Jumbo Watch Ref. 3700 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Diamond Jumbo Watch Ref. 3700

Patek Philippe Yellow Gold Nautilus Diamond Jumbo Watch Ref. 3700

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

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

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

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

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

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

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

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

$86,000 USD
 
Patek Philippe - Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 4700 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 4700

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 4700

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Diamond Watch with Original Box and Papers - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Diamond Watch with Original Box and Papers

Patek Philippe Yellow Gold Nautilus Diamond Watch with Original Box and Papers

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Jumbo Watch Ref. 3700 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Jumbo Watch Ref. 3700

Patek Philippe Yellow Gold Nautilus Jumbo Watch Ref. 3700

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Nautilus Jumbo Watch Ref. 3700 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Jumbo Watch Ref. 3700

Patek Philippe Yellow Gold Nautilus Jumbo Watch Ref. 3700

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Nautilus Jumbo Watch Ref. 3700 in New Old Stock Condition - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Jumbo Watch Ref. 3700 in New Old Stock Condition

Patek Philippe Yellow Gold Nautilus Jumbo Watch Ref. 3700 in New Old Stock Condition

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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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