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Patek Philippe - Patek Philippe White Gold Diamond Watch Ref. 4201 - The Keystone Watches

Patek Philippe White Gold Diamond Watch Ref. 4201

Patek Philippe White Gold Diamond Watch Ref. 4201

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Audemars Piguet - Audemars Piguet Yellow Gold Skeleton Watch - The Keystone Watches

Audemars Piguet Yellow Gold Skeleton Watch

Audemars Piguet Yellow Gold Skeleton Watch

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Patek Philippe - Patek Philippe Steel Watch Ref. 3579 - The Keystone Watches

Patek Philippe Steel Watch Ref. 3579

Patek Philippe Steel Watch Ref. 3579

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Cartier - Cartier Rose Gold Tank a Guichet Watch, Limited Edition of 3 - The Keystone Watches

Cartier Rose Gold Tank a Guichet Watch, Limited Edition of 3

Cartier Rose Gold Tank a Guichet Watch, Limited Edition of 3

Sold Out

 
Rolex - Rolex Seadweller Watch Ref. 16660 - The Keystone Watches

Rolex Seadweller Watch Ref. 16660

Rolex Seadweller Watch Ref. 16660

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Rolex - Rolex Yellow Gold Cosmograph Daytona Zenith Diamond Watch Ref. 16528, with Original Papers - The Keystone Watches

Rolex Yellow Gold Cosmograph Daytona Zenith Diamond Watch Ref. 16528, with Original Papers

Rolex Yellow Gold Cosmograph Daytona Zenith Diamond Watch Ref. 16528, with Original Papers

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Rolex - Rolex Cosmograph Daytona Zenith Watch Ref. 16520 with Original Warranty Paper - The Keystone Watches

Rolex Cosmograph Daytona Zenith Watch Ref. 16520 with Original Warranty Paper

Rolex Cosmograph Daytona Zenith Watch Ref. 16520 with Original Warranty Paper

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Audemars Piguet - Audemars Piguet White Gold Tonneau Automatic Watch - The Keystone Watches

Audemars Piguet White Gold Tonneau Automatic Watch

Audemars Piguet White Gold Tonneau Automatic Watch

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Patek Philippe - Patek Philippe White Gold Annual Calendar Watch Ref. 5146 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Watch Ref. 5146

Patek Philippe White Gold Annual Calendar Watch Ref. 5146

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Rolex - Rolex Explorer II Watch Ref. 1655, An Award Watch from a Famous Hong Kong Politician - The Keystone Watches

Rolex Explorer II Watch Ref. 1655, An Award Watch from a Famous Hong Kong Politician

Rolex Explorer II Watch Ref. 1655, An Award Watch from a Famous Hong Kong Politician

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Rolex - Rolex Submariner Watch Ref. 5513, from 1984 - The Keystone Watches

Rolex Submariner Watch Ref. 5513, from 1984

Rolex Submariner Watch Ref. 5513, from 1984

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Ultra-Thin Watch Ref. 15202 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Ultra-Thin Watch Ref. 15202

Audemars Piguet Rose Gold Royal Oak Ultra-Thin Watch Ref. 15202

Sold Out

 
Patek Philippe - Patek Philippe Nautilus Moonphase Calendar Ref. 5726, Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Nautilus Moonphase Calendar Ref. 5726, Retailed by Tiffany & Co.

Patek Philippe Nautilus Moonphase Calendar Ref. 5726, Retailed by Tiffany & Co.

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 3919 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 3919

Patek Philippe White Gold Calatrava Watch Ref. 3919

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Patek Philippe - Patek Philippe White Gold Diamond Bezel ladies Watch Ref. 3285/49 - The Keystone Watches

Patek Philippe White Gold Diamond Bezel ladies Watch Ref. 3285/49

Patek Philippe White Gold Diamond Bezel ladies Watch Ref. 3285/49

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Rolex - Rolex Submariner Maxi Dial Watch Ref. 5513 - The Keystone Watches

Rolex Submariner Maxi Dial Watch Ref. 5513

Rolex Submariner Maxi Dial Watch Ref. 5513

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Rolex - Rolex Platinum Day-Date Baguette Diamond Bezel Ref. 18366 - The Keystone Watches

Rolex Platinum Day-Date Baguette Diamond Bezel Ref. 18366

Rolex Platinum Day-Date Baguette Diamond Bezel Ref. 18366

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Rolex - Rolex Cosmograph Daytona Diamond & Sapphire Watch Ref. 116599 - The Keystone Watches

Rolex Cosmograph Daytona Diamond & Sapphire Watch Ref. 116599

Rolex Cosmograph Daytona Diamond & Sapphire Watch Ref. 116599

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Rolex - Rolex Yellow Gold Daytona Baguette Diamond Watch Ref. 116568 - The Keystone Watches

Rolex Yellow Gold Daytona Baguette Diamond Watch Ref. 116568

Rolex Yellow Gold Daytona Baguette Diamond Watch Ref. 116568

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Rolex - Rolex Submariner Watch Ref. 16800 - The Keystone Watches

Rolex Submariner Watch Ref. 16800

Rolex Submariner Watch Ref. 16800

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Rolex - Rolex Yellow Gold Submariner Ceramic Watch Ref. 116618 - The Keystone Watches

Rolex Yellow Gold Submariner Ceramic Watch Ref. 116618

Rolex Yellow Gold Submariner Ceramic Watch Ref. 116618

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Rolex - Rolex Platinum Day-Date Diamond Watch Ref. 18046 - The Keystone Watches

Rolex Platinum Day-Date Diamond Watch Ref. 18046

Rolex Platinum Day-Date Diamond Watch Ref. 18046

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Rolex - Rolex Yellow Gold Beta 21 Texano Watch Ref. 5100 - The Keystone Watches

Rolex Yellow Gold Beta 21 Texano Watch Ref. 5100

Rolex Yellow Gold Beta 21 Texano Watch Ref. 5100

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Rolex - Rolex Yellow Gold Datejust Onyx Dial Watch, Ref. 16018 - The Keystone Watches

Rolex Yellow Gold Datejust Onyx Dial Watch, Ref. 16018

Rolex Yellow Gold Datejust Onyx Dial Watch, Ref. 16018

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne White Gold Lange 1 Bracelet Watch - The Keystone Watches

A. Lange & Sohne White Gold Lange 1 Bracelet Watch

A. Lange & Sohne White Gold Lange 1 Bracelet Watch

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Rolex - Rolex Cosmograph Daytona Zenith Watch, Ref. 16520 with Original Warranty - The Keystone Watches

Rolex Cosmograph Daytona Zenith Watch, Ref. 16520 with Original Warranty

Rolex Cosmograph Daytona Zenith Watch, Ref. 16520 with Original Warranty

Sold Out

 
Rolex - Rolex Yellow Gold Day-Date, Ref. 18368 with Original Baguette Diamonds - The Keystone Watches

Rolex Yellow Gold Day-Date, Ref. 18368 with Original Baguette Diamonds

Rolex Yellow Gold Day-Date, Ref. 18368 with Original Baguette Diamonds

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Rolex - Rolex Yellow Gold Day-Date Tigers Eye Watch, Ref. 18038 - The Keystone Watches

Rolex Yellow Gold Day-Date Tigers Eye Watch, Ref. 18038

Rolex Yellow Gold Day-Date Tigers Eye Watch, Ref. 18038

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Rolex - Rolex White Gold Cosmograph Daytona MOP Diamond Watch Ref. 16519 - The Keystone Watches

Rolex White Gold Cosmograph Daytona MOP Diamond Watch Ref. 16519

Rolex White Gold Cosmograph Daytona MOP Diamond Watch Ref. 16519

Sold Out

 
Rolex - Rolex Yellow Gold Daytona Leopard Watch Ref. 116598 - The Keystone Watches

Rolex Yellow Gold Daytona Leopard Watch Ref. 116598

Rolex Yellow Gold Daytona Leopard Watch Ref. 116598

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Rolex - Rolex Yellow Gold Day-Date Wood Dial Watch Ref. 18038 - The Keystone Watches

Rolex Yellow Gold Day-Date Wood Dial Watch Ref. 18038

Rolex Yellow Gold Day-Date Wood Dial Watch Ref. 18038

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Audemars Piguet - Audemars Piguet Royal Oak Chronograph Watch Ref. 26331 - The Keystone Watches

Audemars Piguet Royal Oak Chronograph Watch Ref. 26331

Audemars Piguet Royal Oak Chronograph Watch Ref. 26331

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

Patek Philippe Nautilus Automatic Watch Ref. 3800

Patek Philippe Nautilus Automatic Watch Ref. 3800

Sold Out

 
Patek Philippe - Patek Philippe Two-Tone Nautilus Automatic Watch Ref. 3800 - The Keystone Watches

Patek Philippe Two-Tone Nautilus Automatic Watch Ref. 3800

Patek Philippe Two-Tone Nautilus Automatic Watch Ref. 3800

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold World Time Watch Ref. 5110, Made for Doha, Qatar - The Keystone Watches

Patek Philippe Yellow Gold World Time Watch Ref. 5110, Made for Doha, Qatar

Patek Philippe Yellow Gold World Time Watch Ref. 5110, Made for Doha, Qatar

Sold Out

 
Cartier - Cartier Platinum Tank Classic Watch - The Keystone Watches

Cartier Platinum Tank Classic Watch

Cartier Platinum Tank Classic Watch

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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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