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Patek Philippe - Patek Philippe Yellow Gold Onyx Watch, Ref. 3729 - The Keystone Watches

Patek Philippe Yellow Gold Onyx Watch, Ref. 3729

Patek Philippe Yellow Gold Onyx Watch, Ref. 3729

Sold Out

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

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

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

Sold Out

 
Audemars Piguet - Audemars Piguet Royal Oak Offshore Silver Dial Watch - The Keystone Watches

Audemars Piguet Royal Oak Offshore Silver Dial Watch

Audemars Piguet Royal Oak Offshore Silver Dial Watch

Sold Out

 
Piaget - Piaget White Gold Diamond Lapis Onyx Watch - The Keystone Watches

Piaget White Gold Diamond Lapis Onyx Watch

Piaget White Gold Diamond Lapis Onyx Watch

Sold Out

 
Audemars Piguet - Audemars Piguet White Gold Baguette Diamond Watch - The Keystone Watches

Audemars Piguet White Gold Baguette Diamond Watch

Audemars Piguet White Gold Baguette Diamond Watch

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne White Gold Lange 1 Luminous Watch Ref. 101.029 - The Keystone Watches

A. Lange & Sohne White Gold Lange 1 Luminous Watch Ref. 101.029

A. Lange & Sohne White Gold Lange 1 Luminous Watch Ref. 101.029

Sold Out

 
Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Dual Time Ref. 26120OR - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Dual Time Ref. 26120OR

Audemars Piguet Rose Gold Royal Oak Dual Time Ref. 26120OR

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Automatic Watch Ref. 15500 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Automatic Watch Ref. 15500

Audemars Piguet Rose Gold Royal Oak Automatic Watch Ref. 15500

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Audemars Piguet - Audemars Piguet Platinum Royal Oak Offshore Tourbillon Watch Ref. 26388 - The Keystone Watches

Audemars Piguet Platinum Royal Oak Offshore Tourbillon Watch Ref. 26388

Audemars Piguet Platinum Royal Oak Offshore Tourbillon Watch Ref. 26388

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5970 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5970

Sold Out

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

Patek Philippe Yellow Gold Nautilus Diamond Jumbo Watch Ref. 3700

Patek Philippe Yellow Gold Nautilus Diamond Jumbo Watch Ref. 3700

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

Patek Philippe White Gold World Time Watch Ref. 5130, Shanghai Edition

Patek Philippe White Gold World Time Watch Ref. 5130, Shanghai Edition

Sold Out

 
Audemars Piguet - Audemars Piguet Royal Oak Rose Gold Automatic Watch - The Keystone Watches

Audemars Piguet Royal Oak Rose Gold Automatic Watch

Audemars Piguet Royal Oak Rose Gold Automatic Watch

Sold Out

 
Patek Philippe - Patek Philippe Platinum Minute Repeater Watch Ref. 5078 - The Keystone Watches

Patek Philippe Platinum Minute Repeater Watch Ref. 5078

Patek Philippe Platinum Minute Repeater Watch Ref. 5078

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Universal Geneve - Universal Geneve Yellow Gold Skeletonized Automatic Watch - The Keystone Watches

Universal Geneve Yellow Gold Skeletonized Automatic Watch

Universal Geneve Yellow Gold Skeletonized Automatic Watch

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Audemars Piguet - Audemars Piguet Two-Tone Royal Oak Yves Klein Automatic Watch - The Keystone Watches

Audemars Piguet Two-Tone Royal Oak Yves Klein Automatic Watch

Audemars Piguet Two-Tone Royal Oak Yves Klein Automatic Watch

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Patek Philippe - Patek Philippe Platinum Split-Seconds Chronograph Watch Ref. 5370 - The Keystone Watches

Patek Philippe Platinum Split-Seconds Chronograph Watch Ref. 5370

Patek Philippe Platinum Split-Seconds Chronograph Watch Ref. 5370

Sold Out

 
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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Audemars Piguet - Audemars Piguet Rose Gold Openworked Royal Oak Skeletonized Watch, Ref. 15305 - The Keystone Watches

Audemars Piguet Rose Gold Openworked Royal Oak Skeletonized Watch, Ref. 15305

Audemars Piguet Rose Gold Openworked Royal Oak Skeletonized Watch, Ref. 15305

Sold Out

 
Laurent Ferrier - Laurent Ferrier Rose Gold Galet Square Watch - The Keystone Watches

Laurent Ferrier Rose Gold Galet Square Watch

Laurent Ferrier Rose Gold Galet Square Watch

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Rolex - Rolex Steel Datejust Watch Ref. 1600 - The Keystone Watches

Rolex Steel Datejust Watch Ref. 1600

Rolex Steel Datejust Watch Ref. 1600

Sold Out

 
Rolex - Rolex Datejust Turnograph Watch Ref. 1625 - The Keystone Watches

Rolex Datejust Turnograph Watch Ref. 1625

Rolex Datejust Turnograph Watch Ref. 1625

Sold Out

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New Arrivals Preview
 
Rolex Yellow Gold Day-Date Green Stella Watch Ref. 18038 (New Arrival)

Rolex Yellow Gold Day-Date Green Stella Watch Ref. 18038 (New Arrival)

Rolex Yellow Gold Day-Date Green Stella Watch Ref. 18038 (New Arrival)

$98,500 USD
 
Boucheron Yellow Gold Lapis Watch in Original Fitted Box (New Arrival)

Boucheron Yellow Gold Lapis Watch in Original Fitted Box (New Arrival)

Boucheron Yellow Gold Lapis Watch in Original Fitted Box (New Arrival)

$10,500 USD
 
Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers (New Arrival)

$15,000 USD
 
Patek Philippe Pink Gold Tachymeter Chronograph Watch Ref. 1579 (New Arrival)

Patek Philippe Pink Gold Tachymeter Chronograph Watch Ref. 1579 (New Arrival)

Patek Philippe Pink Gold Tachymeter Chronograph Watch Ref. 1579 (New Arrival)

$200,000 USD
 
Cartier Platinum Onyx & Diamond Watch, 1910 (New Arrival)

Cartier Platinum Onyx & Diamond Watch, 1910 (New Arrival)

Cartier Platinum Onyx & Diamond Watch, 1910 (New Arrival)

$18,500 USD
 
Patek Philippe Yellow Gold Calatrava Watch Ref. 2532 (New Arrival)

Patek Philippe Yellow Gold Calatrava Watch Ref. 2532 (New Arrival)

Patek Philippe Yellow Gold Calatrava Watch Ref. 2532 (New Arrival)

$33,000 USD
 
Audemars Piguet White Gold Bracelet Watch with Pave Diamond & Sapphire Dial (New Arrival)

Audemars Piguet White Gold Bracelet Watch with Pave Diamond & Sapphire Dial (New Arrival)

Audemars Piguet White Gold Bracelet Watch with Pave Diamond & Sapphire Dial (New Arrival)

$28,000 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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