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

Patek Philippe Nautilus Jumbo Watch Ref. 3700

Patek Philippe Nautilus Jumbo Watch Ref. 3700

Sold Out

 
Girard Perregaux - Girard Perregaux White Gold 1945 Tourbillon Watch Ref. 9985 - The Keystone Watches

Girard Perregaux White Gold 1945 Tourbillon Watch Ref. 9985

Girard Perregaux White Gold 1945 Tourbillon Watch Ref. 9985

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H. Moser & Cie - H. Moser & Cie Pioneer Centre Seconds Watch Ref. 3200-1202 - The Keystone Watches

H. Moser & Cie Pioneer Centre Seconds Watch Ref. 3200-1202

H. Moser & Cie Pioneer Centre Seconds Watch Ref. 3200-1202

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Patek Philippe - Patek Philippe White Gold Square Watch Ref. 3490 - The Keystone Watches

Patek Philippe White Gold Square Watch Ref. 3490

Patek Philippe White Gold Square Watch Ref. 3490

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Watch Ref. 15400 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Watch Ref. 15400

Audemars Piguet Rose Gold Royal Oak Watch Ref. 15400

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Patek Philippe - Patek Philippe Steel Calatrava Watch Ref. 3509 with Original Box and Papers - The Keystone Watches

Patek Philippe Steel Calatrava Watch Ref. 3509 with Original Box and Papers

Patek Philippe Steel Calatrava Watch Ref. 3509 with Original Box and Papers

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Patek Philippe - Patek Philippe Steel 150th Anniversary Calatrava Watch Ref. 3718 - The Keystone Watches

Patek Philippe Steel 150th Anniversary Calatrava Watch Ref. 3718

Patek Philippe Steel 150th Anniversary Calatrava Watch Ref. 3718

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Vacheron Constantin - Vacheron Contantin Platinum 333 Watch - The Keystone Watches

Vacheron Contantin Platinum 333 Watch

Vacheron Contantin Platinum 333 Watch

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Patek Philippe - Patek Philippe White Gold Celestial Baguette Diamond Watch Ref. 6104 - The Keystone Watches

Patek Philippe White Gold Celestial Baguette Diamond Watch Ref. 6104

Patek Philippe White Gold Celestial Baguette Diamond Watch Ref. 6104

Sold Out

 
A. Lange & Sohne - A Lange & Sohne Rose Gold Saxonia Dual Time Watch Ref. 385.032 - The Keystone Watches

A Lange & Sohne Rose Gold Saxonia Dual Time Watch Ref. 385.032

A Lange & Sohne Rose Gold Saxonia Dual Time Watch Ref. 385.032

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A. Lange & Sohne - A Lange & Sohne White Gold Saxonia Annual Calendar Watch, Ref. 330.026 - The Keystone Watches

A Lange & Sohne White Gold Saxonia Annual Calendar Watch, Ref. 330.026

A Lange & Sohne White Gold Saxonia Annual Calendar Watch, Ref. 330.026

Sold Out

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

Patek Philippe Steel Aquanaut Jumbo Watch Ref. 5065

Patek Philippe Steel Aquanaut Jumbo Watch Ref. 5065

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Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5066 - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5066

Patek Philippe Aquanaut Automatic Watch Ref. 5066

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Cartier - Cartier White Gold Rectangulaire a Pattes Vis Armurier Enamel Tank Watch - The Keystone Watches

Cartier White Gold Rectangulaire a Pattes Vis Armurier Enamel Tank Watch

Cartier White Gold Rectangulaire a Pattes Vis Armurier Enamel Tank Watch

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5270 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5270

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5270

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Offshore Lebron James Watch - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Offshore Lebron James Watch

Audemars Piguet Rose Gold Royal Oak Offshore Lebron James Watch

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Vacheron Constantin - Vacheron Constantin Platinum Oversized Strap Watch - The Keystone Watches

Vacheron Constantin Platinum Oversized Strap Watch

Vacheron Constantin Platinum Oversized Strap Watch

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Omega - Omega Speedmaster Ed White Tropical Brown Dial Watch Ref. 105.003 - The Keystone Watches

Omega Speedmaster Ed White Tropical Brown Dial Watch Ref. 105.003

Omega Speedmaster Ed White Tropical Brown Dial Watch Ref. 105.003

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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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Rolex - Rolex Rose Gold Yacht-Master Rainbow Diamond Watch Ref. 116695 - The Keystone Watches

Rolex Rose Gold Yacht-Master Rainbow Diamond Watch Ref. 116695

Rolex Rose Gold Yacht-Master Rainbow Diamond Watch Ref. 116695

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Rolex - Rolex Yellow Gold Cosmograph Floating Daytona Watch Ref. 16528 - The Keystone Watches

Rolex Yellow Gold Cosmograph Floating Daytona Watch Ref. 16528

Rolex Yellow Gold Cosmograph Floating Daytona Watch Ref. 16528

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Rolex - Rolex Cosmograph Daytona Zenith Watch Ref. 16520 - The Keystone Watches

Rolex Cosmograph Daytona Zenith Watch Ref. 16520

Rolex Cosmograph Daytona Zenith Watch Ref. 16520

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New Arrivals Preview
 
Cartier Yellow Gold Pave Diamond Cover Watch (New Arrival)

Cartier Yellow Gold Pave Diamond Cover Watch (New Arrival)

Cartier Yellow Gold Pave Diamond Cover Watch (New Arrival)

$55,000 USD
 
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
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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