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Rolex - Rolex Cosmograph Daytona Floating R Serial Watch Ref. 16520 - The Keystone Watches

Rolex Cosmograph Daytona Floating R Serial Watch Ref. 16520

Rolex Cosmograph Daytona Floating R Serial Watch Ref. 16520

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Patek Philippe - Patek Philippe Platinum Grand Complication Watch Ref. 5207, Unworn & Double Sealed - The Keystone Watches

Patek Philippe Platinum Grand Complication Watch Ref. 5207, Unworn & Double Sealed

Patek Philippe Platinum Grand Complication Watch Ref. 5207, Unworn & Double Sealed

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Audemars Piguet - Audemars Piguet White Gold Diamond & Emerald Royal Oak Watch - The Keystone Watches

Audemars Piguet White Gold Diamond & Emerald Royal Oak Watch

Audemars Piguet White Gold Diamond & Emerald Royal Oak Watch

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Cartier - Cartier Platinum Baignoire Watch, 1966 - The Keystone Watches

Cartier Platinum Baignoire Watch, 1966

Cartier Platinum Baignoire Watch, 1966

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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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Patek Philippe - Patek Philippe Yellow Gold Watch Ref. 2422, Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Yellow Gold Watch Ref. 2422, Retailed by Tiffany & Co.

Patek Philippe Yellow Gold Watch Ref. 2422, Retailed by Tiffany & Co.

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Patek Philippe - Patek Philippe Aquanaut Watch Ref. 5065 with Original Box, Papers, & Rubber Strap - The Keystone Watches

Patek Philippe Aquanaut Watch Ref. 5065 with Original Box, Papers, & Rubber Strap

Patek Philippe Aquanaut Watch Ref. 5065 with Original Box, Papers, & Rubber Strap

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Piaget - Piaget White Gold Onyx Diamond Watch, 1970s - The Keystone Watches

Piaget White Gold Onyx Diamond Watch, 1970s

Piaget White Gold Onyx Diamond Watch, 1970s

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Audemars Piguet - Audemars Piguet Royal Oak Beta 21 Watch Ref. 6001, 1975 - The Keystone Watches

Audemars Piguet Royal Oak Beta 21 Watch Ref. 6001, 1975

Audemars Piguet Royal Oak Beta 21 Watch Ref. 6001, 1975

Sold Out

 
Audemars Piguet - Audemars Piguet Steel Royal Oak Day Date Watch - The Keystone Watches

Audemars Piguet Steel Royal Oak Day Date Watch

Audemars Piguet Steel Royal Oak Day Date Watch

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Audemars Piguet - Audemars Piguet Platinum John Schaeffer Watch - The Keystone Watches

Audemars Piguet Platinum John Schaeffer Watch

Audemars Piguet Platinum John Schaeffer Watch

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Vacheron Constantin - Vacheron Constantin Steel Automatic Watch Ref. 7397 - The Keystone Watches

Vacheron Constantin Steel Automatic Watch Ref. 7397

Vacheron Constantin Steel Automatic Watch Ref. 7397

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Piaget - Piaget White Gold Diamond Watch, 1980s - The Keystone Watches

Piaget White Gold Diamond Watch, 1980s

Piaget White Gold Diamond Watch, 1980s

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Audemars Piguet - Audemars Piguet White Gold Emerald & Diamond Royal Oak Watch Ref. 56752 - The Keystone Watches

Audemars Piguet White Gold Emerald & Diamond Royal Oak Watch Ref. 56752

Audemars Piguet White Gold Emerald & Diamond Royal Oak Watch Ref. 56752

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Tourbillon Watch Ref. 26522 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Tourbillon Watch Ref. 26522

Audemars Piguet Rose Gold Royal Oak Tourbillon Watch Ref. 26522

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Ultra-Thin Watch Ref. 15202 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Ultra-Thin Watch Ref. 15202

Audemars Piguet Rose Gold Royal Oak Ultra-Thin Watch Ref. 15202

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Rolex - Rolex Yellow Gold Daytona Rainbow Watch Ref. 116598 - The Keystone Watches

Rolex Yellow Gold Daytona Rainbow Watch Ref. 116598

Rolex Yellow Gold Daytona Rainbow Watch Ref. 116598

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

Patek Philippe Yellow Gold Perpetual Calendar First Series Watch Ref. 3940

Patek Philippe Yellow Gold Perpetual Calendar First Series Watch Ref. 3940

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Rolex - Rolex Oyster Perpetual Automatic Watch Ref. 1003, 1975 - The Keystone Watches

Rolex Oyster Perpetual Automatic Watch Ref. 1003, 1975

Rolex Oyster Perpetual Automatic Watch Ref. 1003, 1975

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Rolex - Rolex Rose Gold Day-Date Watch Ref. 1803, from 1969 - The Keystone Watches

Rolex Rose Gold Day-Date Watch Ref. 1803, from 1969

Rolex Rose Gold Day-Date Watch Ref. 1803, from 1969

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Omega - Omega Speedmaster Yellow Gold Chronograph - The Keystone Watches

Omega Speedmaster Yellow Gold Chronograph

Omega Speedmaster Yellow Gold Chronograph

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Patek Philippe - Patek Philippe Steel Pocket Watch - The Keystone Watches

Patek Philippe Steel Pocket Watch

Patek Philippe Steel Pocket Watch

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New Arrivals Preview
 
Cartier Yellow Gold Baignoire XL (New Arrival)

Cartier Yellow Gold Baignoire XL (New Arrival)

Cartier Yellow Gold Baignoire XL (New Arrival)

Sold Out

 
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
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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