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Cartier - Cartier Steel Black Lacquer Santos Dumont Ref. WSSA0046 - The Keystone Watches

Cartier Steel Black Lacquer Santos Dumont Ref. WSSA0046

Cartier Steel Black Lacquer Santos Dumont Ref. WSSA0046

Sold Out

 
Patek Philippe Unique Platinum Monopusher Split Seconds Chronograph Ref. 5959

Patek Philippe Unique Platinum Monopusher Split Seconds Chronograph Ref. 5959

Patek Philippe Unique Platinum Monopusher Split Seconds Chronograph Ref. 5959

"Price upon request"
 

Patek Philippe Platinum 10 Day Tourbillon Ref. 5101P

Patek Philippe Platinum 10 Day Tourbillon Ref. 5101P

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Patek Philippe Yellow Gold Chronograph Pocket Watch

Patek Philippe Yellow Gold Chronograph Pocket Watch

Patek Philippe Yellow Gold Chronograph Pocket Watch

Sold Out

 

Audemars Piguet Steel Royal Oak A-Series Watch Ref. 5402

Audemars Piguet Steel Royal Oak A-Series Watch Ref. 5402

Sold Out

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

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940

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Cartier Platinum Ronde Louis Ref. W1528051 CPCP Collection

Cartier Platinum Ronde Louis Ref. W1528051 CPCP Collection

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Patek Philippe Steel Calatrava Ref. 3483

Patek Philippe Steel Calatrava Ref. 3483

Patek Philippe Steel Calatrava Ref. 3483

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Piaget - Piaget White Gold Emperador Diamond Ref. 9131 - The Keystone Watches

Piaget White Gold Emperador Diamond Ref. 9131

Piaget White Gold Emperador Diamond Ref. 9131

Sold Out

 

Cartier White Gold Cintree Dual Time Watch Ref. 2767 with Chinese Characters

Cartier White Gold Cintree Dual Time Watch Ref. 2767 with Chinese Characters

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Cartier Yellow Gold Pocket Watch, European Watch & Clock Movement

Cartier Yellow Gold Pocket Watch, European Watch & Clock Movement

Cartier Yellow Gold Pocket Watch, European Watch & Clock Movement

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Patek Philippe - Patek Philippe Yellow Gold Ellipse Dor Bracelet Watch Ref. 4151 - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Dor Bracelet Watch Ref. 4151

Patek Philippe Yellow Gold Ellipse Dor Bracelet Watch Ref. 4151

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ellipse Ref. 3548 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 3548

Patek Philippe White Gold Ellipse Ref. 3548

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Rolex - Rolex Steel Datejust Ref. 16220 Retailed by Tiffany & Co. - The Keystone Watches

Rolex Steel Datejust Ref. 16220 Retailed by Tiffany & Co.

Rolex Steel Datejust Ref. 16220 Retailed by Tiffany & Co.

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Audemars Piguet - Audemars Piguet Steel Huitieme Chronograph Ref. 25644 - The Keystone Watches

Audemars Piguet Steel Huitieme Chronograph Ref. 25644

Audemars Piguet Steel Huitieme Chronograph Ref. 25644

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Audemars Piguet Huitieme Chrono Tantalum Rose

Audemars Piguet Huitieme Chrono Tantalum Rose

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Patek Philippe - Patek Philippe Yellow Gold Watch Ref. 3525, Retailed by Gobbi Milano - The Keystone Watches

Patek Philippe Yellow Gold Watch Ref. 3525, Retailed by Gobbi Milano

Patek Philippe Yellow Gold Watch Ref. 3525, Retailed by Gobbi Milano

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Cartier Rose Gold Clash [Un]Limited Watch Ref. WGMB0003

Cartier Rose Gold Clash [Un]Limited Watch Ref. WGMB0003

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Audemars Piguet White Gold and Diamond Royal Oak with Lapis Dials

Audemars Piguet White Gold and Diamond Royal Oak with Lapis Dials

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Cartier - Cartier Rose Gold Tank a Vis Dual Time Ref. 2594 - The Keystone Watches

Cartier Rose Gold Tank a Vis Dual Time Ref. 2594

Cartier Rose Gold Tank a Vis Dual Time Ref. 2594

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Vacheron Constantin - Vacheron Constantin Lapis Watch Ref. 7186 - The Keystone Watches

Vacheron Constantin Lapis Watch Ref. 7186

Vacheron Constantin Lapis Watch Ref. 7186

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Patek Philippe - Patek Philippe White Gold Ultra-Thin Watch Ref. 3588 with Breguet Numerals - The Keystone Watches

Patek Philippe White Gold Ultra-Thin Watch Ref. 3588 with Breguet Numerals

Patek Philippe White Gold Ultra-Thin Watch Ref. 3588 with Breguet Numerals

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New Arrivals Preview
 
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
 
Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

$105,000 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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