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Patek Philippe - Patek Philippe Rose Gold Celestial Watch Ref. 6102 - The Keystone Watches

Patek Philippe Rose Gold Celestial Watch Ref. 6102

Patek Philippe Rose Gold Celestial Watch Ref. 6102

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Audemars Piguet - Audemars Piguet Royal Oak Tourbillon Extra-Thin Ref. 26510 - The Keystone Watches

Audemars Piguet Royal Oak Tourbillon Extra-Thin Ref. 26510

Audemars Piguet Royal Oak Tourbillon Extra-Thin Ref. 26510

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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

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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.

Sold Out

 
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

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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 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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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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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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Omega - Omega Speedmaster Alaska Project Edition Watch - The Keystone Watches

Omega Speedmaster Alaska Project Edition Watch

Omega Speedmaster Alaska Project Edition Watch

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FP Journe - F.P. Journe Platinum Octa Auto Reserve Watch with Original Box and Papers - The Keystone Watches

F.P. Journe Platinum Octa Auto Reserve Watch with Original Box and Papers

F.P. Journe Platinum Octa Auto Reserve Watch with Original Box and Papers

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Patek Philippe - Patek Philippe White Gold World Time Watch Ref. 5230 - The Keystone Watches

Patek Philippe White Gold World Time Watch Ref. 5230

Patek Philippe White Gold World Time Watch Ref. 5230

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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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A. Lange & Sohne - A. Lange & Sohne White Gold 1815 Chronograph Watch 402.026 - The Keystone Watches

A. Lange & Sohne White Gold 1815 Chronograph Watch 402.026

A. Lange & Sohne White Gold 1815 Chronograph Watch 402.026

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A. Lange & Sohne - A.Lange & Sohne Rose Gold Saxonia Annual Calendar Watch Ref. 330.032 - The Keystone Watches

A.Lange & Sohne Rose Gold Saxonia Annual Calendar Watch Ref. 330.032

A.Lange & Sohne Rose Gold Saxonia Annual Calendar Watch Ref. 330.032

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Patek Philippe - Patek Philippe Rose Gold Cloisonne World Time Ref. 5131 - The Keystone Watches

Patek Philippe Rose Gold Cloisonne World Time Ref. 5131

Patek Philippe Rose Gold Cloisonne World Time Ref. 5131

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

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970

Sold Out

 
Patek Philippe - Patek Philippe Platinum 10-Day Tourbillon Watch Ref. 5101 - The Keystone Watches

Patek Philippe Platinum 10-Day Tourbillon Watch Ref. 5101

Patek Philippe Platinum 10-Day Tourbillon Watch Ref. 5101

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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.

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