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

Patek Philippe Yellow Gold Aquanaut Jumbo Watch Ref. 5065

Patek Philippe Yellow Gold Aquanaut Jumbo Watch Ref. 5065

Sold Out

 
Cartier White Gold Tank Louis Skeleton Watch Ref. W5310012

Cartier White Gold Tank Louis Skeleton Watch Ref. W5310012

Cartier White Gold Tank Louis Skeleton Watch Ref. W5310012

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Nautilus Diamond Watch Ref. 5724, Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Rose Gold Nautilus Diamond Watch Ref. 5724, Retailed by Tiffany & Co.

Patek Philippe Rose Gold Nautilus Diamond Watch Ref. 5724, Retailed by Tiffany & Co.

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940

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

Patek Philippe Steel Tonneau-Shaped Watch Ref. 3579

Patek Philippe Steel Tonneau-Shaped Watch Ref. 3579

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Patek Philippe - Patek Philippe White Gold Lapis Bracelet Watch Ref. 3578, with Original Hang Tag - The Keystone Watches

Patek Philippe White Gold Lapis Bracelet Watch Ref. 3578, with Original Hang Tag

Patek Philippe White Gold Lapis Bracelet Watch Ref. 3578, with Original Hang Tag

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Audemars Piguet - Audemars Piguet Steel Tonneau-Shaped Watch Ref. 5369 - The Keystone Watches

Audemars Piguet Steel Tonneau-Shaped Watch Ref. 5369

Audemars Piguet Steel Tonneau-Shaped Watch Ref. 5369

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Jumbo Extra-Thin Watch Ref. 15202 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Jumbo Extra-Thin Watch Ref. 15202

Audemars Piguet Yellow Gold Royal Oak Jumbo Extra-Thin Watch Ref. 15202

Sold Out

 
Rolex - Rolex Platinum Cosmograph Daytona Watch Ref. 116576 - The Keystone Watches

Rolex Platinum Cosmograph Daytona Watch Ref. 116576

Rolex Platinum Cosmograph Daytona Watch Ref. 116576

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Patek Philippe - Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960 - The Keystone Watches

Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960

Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960

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Rolex - Rolex White Gold Day-Date Mother of Pearl Diamond Watch Ref. 118209 - The Keystone Watches

Rolex White Gold Day-Date Mother of Pearl Diamond Watch Ref. 118209

Rolex White Gold Day-Date Mother of Pearl Diamond Watch Ref. 118209

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Audemars Piguet - Audemars Piguet Yellow Gold Ultra-Thin Royal Oak, Ref. 15202 - The Keystone Watches

Audemars Piguet Yellow Gold Ultra-Thin Royal Oak, Ref. 15202

Audemars Piguet Yellow Gold Ultra-Thin Royal Oak, Ref. 15202

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Audemars Piguet - Audemars Piguet Steel Royal Oak Watch Ref. 14790 - The Keystone Watches

Audemars Piguet Steel Royal Oak Watch Ref. 14790

Audemars Piguet Steel Royal Oak Watch Ref. 14790

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

Audemars Piguet White Gold Royal Oak Chronograph Frosted Watch Ref. 26331

Audemars Piguet White Gold Royal Oak Chronograph Frosted Watch Ref. 26331

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Richard Mille - Richard Mille Titanium Tourbillon Watch Ref. RM003 - The Keystone Watches

Richard Mille Titanium Tourbillon Watch Ref. RM003

Richard Mille Titanium Tourbillon Watch Ref. RM003

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Rolex - Rolex GMT-Master Pepsi Watch Ref. 16700 - The Keystone Watches

Rolex GMT-Master Pepsi Watch Ref. 16700

Rolex GMT-Master Pepsi Watch Ref. 16700

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Audemars Piguet - Audemars Piguet Steel Royal Oak Dual Time Watch Ref. 25730 - The Keystone Watches

Audemars Piguet Steel Royal Oak Dual Time Watch Ref. 25730

Audemars Piguet Steel Royal Oak Dual Time Watch Ref. 25730

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Cartier - Cartier Yellow Gold Jumbo TV Shaped Watch - The Keystone Watches

Cartier Yellow Gold Jumbo TV Shaped Watch

Cartier Yellow Gold Jumbo TV Shaped Watch

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Patek Philippe - Patek Philippe Stainless Steel Nautilus ref 3800 - The Keystone Watches

Patek Philippe Stainless Steel Nautilus ref 3800

Patek Philippe Stainless Steel Nautilus ref 3800

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Vacheron Constantin - Vacheron Constantin White Gold Strap Watch - The Keystone Watches

Vacheron Constantin White Gold Strap Watch

Vacheron Constantin White Gold Strap Watch

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Cartier - Cartier White Gold Asymmetrical Diamond Watch with Original Box and Paper - The Keystone Watches

Cartier White Gold Asymmetrical Diamond Watch with Original Box and Paper

Cartier White Gold Asymmetrical Diamond Watch with Original Box and Paper

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chrono Sapphire Watch Ref. 5271 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chrono Sapphire Watch Ref. 5271

Patek Philippe Platinum Perpetual Calendar Chrono Sapphire Watch Ref. 5271

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New Arrivals Preview
 
Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

$14,000 USD
 
Rolex Yellow Gold Precision Buckle Bracelet Watch (New Arrival)

Rolex Yellow Gold Precision Buckle Bracelet Watch (New Arrival)

Rolex Yellow Gold Precision Buckle Bracelet Watch (New Arrival)

$19,500 USD
 
Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

$19,800 USD
 
Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

$16,000 USD
 
Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

$75,000 USD
 
Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

$30,000 USD
 
Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

$105,000 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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