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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

 
Omega - Omega White Gold Speedmaster Moonphase Ref. 3689.30.31 - The Keystone Watches

Omega White Gold Speedmaster Moonphase Ref. 3689.30.31

Omega White Gold Speedmaster Moonphase Ref. 3689.30.31

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

Patek Philippe Yellow Gold Perpetual Calendar Ref. 5970

Patek Philippe Yellow Gold Perpetual Calendar Ref. 5970

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Patek Philippe - Patek Philippe White Gold Annual Calendar Watch Ref. 5205 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Watch Ref. 5205

Patek Philippe White Gold Annual Calendar Watch Ref. 5205

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Rolex - Rolex Yellow Gold Day-Date Ref. 18038 with Rare Pinball Dial - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 18038 with Rare Pinball Dial

Rolex Yellow Gold Day-Date Ref. 18038 with Rare Pinball Dial

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Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5070, Double Sealed - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5070, Double Sealed

Patek Philippe Platinum Chronograph Watch Ref. 5070, Double Sealed

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Patek Philippe White Gold Sector Dial Annual Calendar Watch Ref. 5396

Patek Philippe White Gold Sector Dial Annual Calendar Watch Ref. 5396

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Rolex - Rolex Submariner Four Line Gilt Ref. 5512 - The Keystone Watches

Rolex Submariner Four Line Gilt Ref. 5512

Rolex Submariner Four Line Gilt Ref. 5512

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Patek Philippe - Patek Philippe Platinum Perpetual Split Seconds Chronograph Watch Ref. 5204 - The Keystone Watches

Patek Philippe Platinum Perpetual Split Seconds Chronograph Watch Ref. 5204

Patek Philippe Platinum Perpetual Split Seconds Chronograph Watch Ref. 5204

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Patek Philippe - Patek Philippe Rose Gold Gondolo Ref. 5098 - The Keystone Watches

Patek Philippe Rose Gold Gondolo Ref. 5098

Patek Philippe Rose Gold Gondolo Ref. 5098

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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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Rolex - Rolex Yellow Gold Day-Date Watch Ref. 18038 with Diamond String Dial - The Keystone Watches

Rolex Yellow Gold Day-Date Watch Ref. 18038 with Diamond String Dial

Rolex Yellow Gold Day-Date Watch Ref. 18038 with Diamond String Dial

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Rolex - Rolex White Gold Day-Date Watch Ref. 118239 with Mother of Pearl and Diamond Dial - The Keystone Watches

Rolex White Gold Day-Date Watch Ref. 118239 with Mother of Pearl and Diamond Dial

Rolex White Gold Day-Date Watch Ref. 118239 with Mother of Pearl and Diamond Dial

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Rolex - Rolex White Gold Day-Date Ref. 18239 with Diamond Markers - The Keystone Watches

Rolex White Gold Day-Date Ref. 18239 with Diamond Markers

Rolex White Gold Day-Date Ref. 18239 with Diamond Markers

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Patek Philippe - Patek Philippe White Gold Chronograph Ref. 5070G, Unworn & Single Sealed - The Keystone Watches

Patek Philippe White Gold Chronograph Ref. 5070G, Unworn & Single Sealed

Patek Philippe White Gold Chronograph Ref. 5070G, Unworn & Single Sealed

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Patek Philippe - Patek Philippe White Gold World Time Watch Ref. 5130 - The Keystone Watches

Patek Philippe White Gold World Time Watch Ref. 5130

Patek Philippe White Gold World Time Watch Ref. 5130

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Rolex - Rolex Steel Submariner Ref. 1680 in Fantastic Original Condition - The Keystone Watches

Rolex Steel Submariner Ref. 1680 in Fantastic Original Condition

Rolex Steel Submariner Ref. 1680 in Fantastic Original Condition

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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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Rolex - Rolex Steel Explorer Ref. 1016 - The Keystone Watches

Rolex Steel Explorer Ref. 1016

Rolex Steel Explorer Ref. 1016

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

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

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

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Jaeger LeCoultre - Jaeger Lecoultre Steel Reverso Tribute Ref. 214.8.62 - The Keystone Watches

Jaeger Lecoultre Steel Reverso Tribute Ref. 214.8.62

Jaeger Lecoultre Steel Reverso Tribute Ref. 214.8.62

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Patek Philippe - Patek Philippe Platinum Handcrafts Cloisonne Peacock Watch, Ref. 5077 Unworn and Double Sealed - The Keystone Watches

Patek Philippe Platinum Handcrafts Cloisonne Peacock Watch, Ref. 5077 Unworn and Double Sealed

Patek Philippe Platinum Handcrafts Cloisonne Peacock Watch, Ref. 5077 Unworn and Double Sealed

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New Arrivals Preview
 
Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

$150,000 USD
 
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
 
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
 
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
 
Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

$15,000 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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