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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Power Reserve Ref. 26120 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Power Reserve Ref. 26120

Audemars Piguet Rose Gold Royal Oak Power Reserve Ref. 26120

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Patek Philippe - Patek Philippe White Gold Watch Ref. 3729 with Onyx Dial - The Keystone Watches

Patek Philippe White Gold Watch Ref. 3729 with Onyx Dial

Patek Philippe White Gold Watch Ref. 3729 with Onyx Dial

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Audemars Piguet - Audemars Piguet White Gold Automatic Watch Ref. 5205 - The Keystone Watches

Audemars Piguet White Gold Automatic Watch Ref. 5205

Audemars Piguet White Gold Automatic Watch Ref. 5205

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Cartier - Cartier Yellow Gold Tank Louis - The Keystone Watches

Cartier Yellow Gold Tank Louis

Cartier Yellow Gold Tank Louis

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

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 5140

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 5140

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Cartier - Cartier White Gold Rotonde Jumping Hour Ref. W1553851 - The Keystone Watches

Cartier White Gold Rotonde Jumping Hour Ref. W1553851

Cartier White Gold Rotonde Jumping Hour Ref. W1553851

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Cartier - Cartier White Gold Rotonde Ref. W1556241 - The Keystone Watches

Cartier White Gold Rotonde Ref. W1556241

Cartier White Gold Rotonde Ref. W1556241

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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

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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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New Arrivals Preview
 
Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

$125,000 USD
 
Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

$62,000 USD
 
Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

$55,000 USD
 
Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

$21,000 USD
 
Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

$175,000 USD
 
Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

$70,000 USD
 
Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

$48,000 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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