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Patek Philippe White Gold Nautilus Watch Ref. 3800/130 with Baguette Diamond Bezel

Patek Philippe White Gold Nautilus Watch Ref. 3800/130 with Baguette Diamond Bezel

Patek Philippe White Gold Nautilus Watch Ref. 3800/130 with Baguette Diamond Bezel

"Price upon request"
 
Richard Mille Rose Gold Tourbillon RM002 Box and Papers, Recently Serviced

Richard Mille Rose Gold Tourbillon RM002 Box and Papers, Recently Serviced

Richard Mille Rose Gold Tourbillon RM002 Box and Papers, Recently Serviced

Sold Out

 
Rolex White Gold Datejust Bloodstone Watch Ref. 16019

Rolex White Gold Datejust Bloodstone Watch Ref. 16019

Rolex White Gold Datejust Bloodstone Watch Ref. 16019

Sold Out

 
Patek Philippe Steel Chronograph Ref. 130, Retailed by Gubelin

Patek Philippe Steel Chronograph Ref. 130, Retailed by Gubelin

Patek Philippe Steel Chronograph Ref. 130, Retailed by Gubelin

Sold Out

 
Cartier Platinum Mecanique Chinoise Tortue (New Arrival)

Cartier Platinum Mecanique Chinoise Tortue (New Arrival)

Cartier Platinum Mecanique Chinoise Tortue (New Arrival)

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Patek Philippe Yellow Gold Chronograph Watch Ref. 130 (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 130 (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 130 (New Arrival)

Sold Out

 
Patek Philippe White Gold Perpetual Calendar Ref. 5940

Patek Philippe White Gold Perpetual Calendar Ref. 5940

Patek Philippe White Gold Perpetual Calendar Ref. 5940

Sold Out

 
A. Lange & Sohne Tourbillon Pour le Merite Ref. 701.005, Only 50 Pieces

A. Lange & Sohne Tourbillon Pour le Merite Ref. 701.005, Only 50 Pieces

A. Lange & Sohne Tourbillon Pour le Merite Ref. 701.005, Only 50 Pieces

Sold Out

 
Rolex Yellow Gold 1940s Cover Watch in Original Box

Rolex Yellow Gold 1940s Cover Watch in Original Box

Rolex Yellow Gold 1940s Cover Watch in Original Box

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Patek Philippe Yellow Gold Minute Repeater Watch Ref. 2524, Circa 1953

Patek Philippe Yellow Gold Minute Repeater Watch Ref. 2524, Circa 1953

Patek Philippe Yellow Gold Minute Repeater Watch Ref. 2524, Circa 1953

Sold Out

 
Rolex Yellow Gold Ovettone Datejust Ref. 6305 with Unusual Diamond Markers with Original Papers

Rolex Yellow Gold Ovettone Datejust Ref. 6305 with Unusual Diamond Markers with Original Papers

Rolex Yellow Gold Ovettone Datejust Ref. 6305 with Unusual Diamond Markers with Original Papers

Sold Out

 
Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 3971, Second Series with Original Box and Papers

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 3971, Second Series with Original Box and Papers

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 3971, Second Series with Original Box and Papers

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Patek Philippe White Gold Beta 21 Ref. 3603 with Original Box and Papers

Patek Philippe White Gold Beta 21 Ref. 3603 with Original Box and Papers

Patek Philippe White Gold Beta 21 Ref. 3603 with Original Box and Papers

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Rolex Cosmograph Daytona Big Red Ref. 6265 Box and Papers (New Arrival)

Rolex Cosmograph Daytona Big Red Ref. 6265 Box and Papers (New Arrival)

Rolex Cosmograph Daytona Big Red Ref. 6265 Box and Papers (New Arrival)

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Rolex Rose Gold Day-Date Ref. 1803 with Rare Guilloche Dial

Rolex Rose Gold Day-Date Ref. 1803 with Rare Guilloche Dial

Rolex Rose Gold Day-Date Ref. 1803 with Rare Guilloche Dial

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Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 3970, Second Series

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 3970, Second Series

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 3970, Second Series

"Price upon request"
 
Breguet Platinum and Rose Gold Tourbillon Ref. 3457 (New Arrival)

Breguet Platinum and Rose Gold Tourbillon Ref. 3457 (New Arrival)

Breguet Platinum and Rose Gold Tourbillon Ref. 3457 (New Arrival)

Sold Out

 
Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Sold Out

 
Cartier - Cartier Tank Allongee Elongated, Circa 1940 - The Keystone Watches

Cartier Tank Allongee Elongated, Circa 1940

Cartier Tank Allongee Elongated, Circa 1940

Sold Out

 
Patek Philippe Perpetual Calendar Chronograph Ref. 2499, 4th Series

Patek Philippe Perpetual Calendar Chronograph Ref. 2499, 4th Series

Patek Philippe Perpetual Calendar Chronograph Ref. 2499, 4th Series

Sold Out

 
Breguet Yellow Gold Peseux 260 Empire Watch, Circa 1951

Breguet Yellow Gold Peseux 260 Empire Watch, Circa 1951

Breguet Yellow Gold Peseux 260 Empire Watch, Circa 1951

"Price upon request"
 
Patek Philippe White Gold Perpetual Calendar Bracelet Watch Ref. 3448, Third Series

Patek Philippe White Gold Perpetual Calendar Bracelet Watch Ref. 3448, Third Series

Patek Philippe White Gold Perpetual Calendar Bracelet Watch Ref. 3448, Third Series

"Price upon request"
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New Arrivals Preview
 
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
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival) - The Keystone Watches

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

$60,000 USD
 
Audemars Piguet - Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival) - The Keystone Watches

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

$18,000 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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