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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Ref. 56303 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Ref. 56303

Audemars Piguet Yellow Gold Royal Oak Ref. 56303

Sold Out

 
Audemars Piguet Steel Royal Oak Ref. 14790 with Tropical Dial

Audemars Piguet Steel Royal Oak Ref. 14790 with Tropical Dial

Audemars Piguet Steel Royal Oak Ref. 14790 with Tropical Dial

Sold Out

 
Ulysse Nardin - Ulysse Nardin Yellow Gold San Marco Enamel Watch Ref. 131-77-9 - The Keystone Watches

Ulysse Nardin Yellow Gold San Marco Enamel Watch Ref. 131-77-9

Ulysse Nardin Yellow Gold San Marco Enamel Watch Ref. 131-77-9

$16,000 USD
 
Gerald Genta Steel Retro Ref. G3636 Golf Ball and MOP Watch

Gerald Genta Steel Retro Ref. G3636 Golf Ball and MOP Watch

Gerald Genta Steel Retro Ref. G3636 Golf Ball and MOP Watch

Sold Out

 
Audemars Piguet Yellow Gold Onyx & Lapis Ref. 14743

Audemars Piguet Yellow Gold Onyx & Lapis Ref. 14743

Audemars Piguet Yellow Gold Onyx & Lapis Ref. 14743

Sold Out

 
Audemars Piguet - Audemars Piguet White Gold Diamond Skeleton Birds Watch - The Keystone Watches

Audemars Piguet White Gold Diamond Skeleton Birds Watch

Audemars Piguet White Gold Diamond Skeleton Birds Watch

$45,000 USD
 
Patek Philippe Yellow Gold Jumbo Automatic Golden Circle Ref. 3585 in New Old Stock Condition

Patek Philippe Yellow Gold Jumbo Automatic Golden Circle Ref. 3585 in New Old Stock Condition

Patek Philippe Yellow Gold Jumbo Automatic Golden Circle Ref. 3585 in New Old Stock Condition

Sold Out

 
Rolex Yellow Gold Oversized Precision Ref. 4536

Rolex Yellow Gold Oversized Precision Ref. 4536

Rolex Yellow Gold Oversized Precision Ref. 4536

$11,000 USD
 
Rolex - Rolex White Gold Day Date Ref. 118239 in Like New Condition - The Keystone Watches

Rolex White Gold Day Date Ref. 118239 in Like New Condition

Rolex White Gold Day Date Ref. 118239 in Like New Condition

Sold Out

 
Vacheron Constantin - Vacheron Constantin White Gold Watch ref. 2019 - The Keystone Watches

Vacheron Constantin White Gold Watch ref. 2019

Vacheron Constantin White Gold Watch ref. 2019

Sold Out

 
Cartier - Cartier Yellow Gold Ceinture Onyx & Diamond Watch - The Keystone Watches

Cartier Yellow Gold Ceinture Onyx & Diamond Watch

Cartier Yellow Gold Ceinture Onyx & Diamond Watch

Sold Out

 
Omega Yellow Gold Vintage De Ville Bracelet Watch

Omega Yellow Gold Vintage De Ville Bracelet Watch

Omega Yellow Gold Vintage De Ville Bracelet Watch

Sold Out

 
Rolex Grasshopper Steel Watch Ref. 4367

Rolex Grasshopper Steel Watch Ref. 4367

Rolex Grasshopper Steel Watch Ref. 4367

$12,500 USD
 
Rolex Yellow Gold Metropolitan Disco Volante Watch Ref 9919/8

Rolex Yellow Gold Metropolitan Disco Volante Watch Ref 9919/8

Rolex Yellow Gold Metropolitan Disco Volante Watch Ref 9919/8

Sold Out

 
Rolex White Gold Day Date Ref. 18049 in Top Condition

Rolex White Gold Day Date Ref. 18049 in Top Condition

Rolex White Gold Day Date Ref. 18049 in Top Condition

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Audemars Piguet Vintage Yellow Gold Perpetual Calendar Ref. 25657BA

Audemars Piguet Vintage Yellow Gold Perpetual Calendar Ref. 25657BA

Audemars Piguet Vintage Yellow Gold Perpetual Calendar Ref. 25657BA

Sold Out

 
Cartier Yellow Gold Tank Obus Ref. 1630

Cartier Yellow Gold Tank Obus Ref. 1630

Cartier Yellow Gold Tank Obus Ref. 1630

Sold Out

 
Rolex Zenith Daytona Ref. 16520 P Serial with Original Papers

Rolex Zenith Daytona Ref. 16520 P Serial with Original Papers

Rolex Zenith Daytona Ref. 16520 P Serial with Original Papers

$35,000 USD
 
Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5040 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5040

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5040

Sold Out

 
Audemars Piguet Platinum Jules Schaeffer Luminous Minute Repeater Ref. 25882

Audemars Piguet Platinum Jules Schaeffer Luminous Minute Repeater Ref. 25882

Audemars Piguet Platinum Jules Schaeffer Luminous Minute Repeater Ref. 25882

$110,000 USD
 
Audemars Piguet - Audemars Piguet White Gold Cobra Automatic Watch Ref. 5403 - The Keystone Watches

Audemars Piguet White Gold Cobra Automatic Watch Ref. 5403

Audemars Piguet White Gold Cobra Automatic Watch Ref. 5403

$39,000 USD
 
Piaget - Piaget White Gold Baguette Mechanical Watch Ref. 316089 - The Keystone Watches

Piaget White Gold Baguette Mechanical Watch Ref. 316089

Piaget White Gold Baguette Mechanical Watch Ref. 316089

$18,000 USD
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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.

Stay in touch.

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