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Audemars Piguet Steel Royal Oak Midsize Ref 56303 in Outstanding Condition

Audemars Piguet Steel Royal Oak Midsize Ref 56303 in Outstanding Condition

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Rolex - Rolex Steel Daytona Ref. 6265 with Black Sigma Dial - The Keystone Watches

Rolex Steel Daytona Ref. 6265 with Black Sigma Dial

Rolex Steel Daytona Ref. 6265 with Black Sigma Dial

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Patek Philippe - Patek Philippe Platinum World Time Ref. 5130, Dubai Edition - The Keystone Watches

Patek Philippe Platinum World Time Ref. 5130, Dubai Edition

Patek Philippe Platinum World Time Ref. 5130, Dubai Edition

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Patek Philippe Yellow Gold Calatrava Ref. 5035 with Original Box and Papers

Patek Philippe Yellow Gold Calatrava Ref. 5035 with Original Box and Papers

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Patek Philippe - Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960 with Original Box and Papers - The Keystone Watches

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960 with Original Box and Papers

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960 with Original Box and Papers

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270G-013 with Original Box and Papers - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270G-013 with Original Box and Papers

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270G-013 with Original Box and Papers

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Rolex - Rolex Steel Pepsi GMT-Master Ref. 1675 (New Arrival) - The Keystone Watches

Rolex Steel Pepsi GMT-Master Ref. 1675 (New Arrival)

Rolex Steel Pepsi GMT-Master Ref. 1675 (New Arrival)

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Rolex - Rolex Yellow Gold Cosmograph Daytona Watch Ref. 6265 with Original Box and Papers - The Keystone Watches

Rolex Yellow Gold Cosmograph Daytona Watch Ref. 6265 with Original Box and Papers

Rolex Yellow Gold Cosmograph Daytona Watch Ref. 6265 with Original Box and Papers

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Audemars Piguet Yellow Gold Bracelet Watch

Audemars Piguet Yellow Gold Bracelet Watch

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Cartier - Cartier Yellow Gold Diamond and Tourmaline Vintage Watch - The Keystone Watches

Cartier Yellow Gold Diamond and Tourmaline Vintage Watch

Cartier Yellow Gold Diamond and Tourmaline Vintage Watch

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Cartier - Cartier Yellow Gold Tank Obus, European Watch & Clock, Late 1940s - The Keystone Watches

Cartier Yellow Gold Tank Obus, European Watch & Clock, Late 1940s

Cartier Yellow Gold Tank Obus, European Watch & Clock, Late 1940s

$17,000 USD
 

Piaget Yellow Gold Polo Ref. 8273 with Box & Papers

Piaget Yellow Gold Polo Ref. 8273 with Box & Papers

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Piaget - Piaget Yellow Gold Pave TV Shaped Warhol Case Ref. 95121 (New Arrival) - The Keystone Watches

Piaget Yellow Gold Pave TV Shaped Warhol Case Ref. 95121 (New Arrival)

Piaget Yellow Gold Pave TV Shaped Warhol Case Ref. 95121 (New Arrival)

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Audemars Piguet - Audemars Piguet White Gold Automatic Bracelet Watch Ref. 15135 - The Keystone Watches

Audemars Piguet White Gold Automatic Bracelet Watch Ref. 15135

Audemars Piguet White Gold Automatic Bracelet Watch Ref. 15135

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Cartier - Carter White Gold Baignoire Allongee with Diamond and Sapphire Pave Dial Ref. 2514 - The Keystone Watches

Carter White Gold Baignoire Allongee with Diamond and Sapphire Pave Dial Ref. 2514

Carter White Gold Baignoire Allongee with Diamond and Sapphire Pave Dial Ref. 2514

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Audemars Piguet Yellow Gold Royal Oak Ref. 56303 (New Arrival)

Audemars Piguet Yellow Gold Royal Oak Ref. 56303 (New Arrival)

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Patek Philippe - Patek Philippe White Gold Annual Calendar Tiffany & Co Watch. Ref. 5396G-012 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Tiffany & Co Watch. Ref. 5396G-012

Patek Philippe White Gold Annual Calendar Tiffany & Co Watch. Ref. 5396G-012

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Cartier - Cartier Yellow Gold Collection Prive Baignoire Allongee from 1991 - The Keystone Watches

Cartier Yellow Gold Collection Prive Baignoire Allongee from 1991

Cartier Yellow Gold Collection Prive Baignoire Allongee from 1991

$73,000 USD
 
Audemars Piguet - Audemars Piguet White Gold Cobra Band Watch Ref. 56525 - The Keystone Watches

Audemars Piguet White Gold Cobra Band Watch Ref. 56525

Audemars Piguet White Gold Cobra Band Watch Ref. 56525

$15,500 USD
 
Piaget Yellow Gold Dancer Opal and Onyx Ref. 80317

Piaget Yellow Gold Dancer Opal and Onyx Ref. 80317

Piaget Yellow Gold Dancer Opal and Onyx Ref. 80317

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Vacheron Constantin - Vacheron Constantin Yellow Gold Woven Band Watch - The Keystone Watches

Vacheron Constantin Yellow Gold Woven Band Watch

Vacheron Constantin Yellow Gold Woven Band Watch

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Cartier Chariot Cigarette Box from Cartier London by Jacques Cartier (Objet)

Cartier Chariot Cigarette Box from Cartier London by Jacques Cartier (Objet)

$9,500 USD
 

Cartier Steel Pasha Chronograph Ref. W31018H3 (New Arrival)

Cartier Steel Pasha Chronograph Ref. W31018H3 (New Arrival)

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Patek Philippe - Patek Philippe Yellow Gold Chronograph Ref. 3970, Fourth Series - The Keystone Watches

Patek Philippe Yellow Gold Chronograph Ref. 3970, Fourth Series

Patek Philippe Yellow Gold Chronograph Ref. 3970, Fourth Series

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Patek Philippe - Patek Philippe Yellow Gold Pocket Watch Minute Repeater, Circa 1905 - The Keystone Watches

Patek Philippe Yellow Gold Pocket Watch Minute Repeater, Circa 1905

Patek Philippe Yellow Gold Pocket Watch Minute Repeater, Circa 1905

$28,000 USD
 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5074, Single Sealed - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5074, Single Sealed

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5074, Single Sealed

"Price upon request"
 

Rolex White Gold Day-Date Ref. 18039 with Pinball Dial (New Arrival)

Rolex White Gold Day-Date Ref. 18039 with Pinball Dial (New Arrival)

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Richard Mille Titanium Watch Ref. RM037

Richard Mille Titanium Watch Ref. RM037

Richard Mille Titanium Watch Ref. RM037

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Rolex - Rolex Yellow Gold Day-Date Watch Ref. 18038 with Pyramid Onyx Dial - The Keystone Watches

Rolex Yellow Gold Day-Date Watch Ref. 18038 with Pyramid Onyx Dial

Rolex Yellow Gold Day-Date Watch Ref. 18038 with Pyramid Onyx Dial

Sold Out

 

Audemars Piguet White Gold Tonneau Watch Ref. 5369 with Rare Linen Dial

Audemars Piguet White Gold Tonneau Watch Ref. 5369 with Rare Linen Dial

$7,750 USD
 
Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Ref. 5040J - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Ref. 5040J

Patek Philippe Yellow Gold Perpetual Calendar Ref. 5040J

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Patek Philippe Yellow Gold Ellipse Ref. 3738

Patek Philippe Yellow Gold Ellipse Ref. 3738

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Patek Philippe Yellow Gold Aquanaut Ref. 5065

Patek Philippe Yellow Gold Aquanaut Ref. 5065

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Piaget Platinum Georges Piaget Watch Ref 91000, One of 100 Made

Piaget Platinum Georges Piaget Watch Ref 91000, One of 100 Made

Piaget Platinum Georges Piaget Watch Ref 91000, One of 100 Made

$8,900 USD
 

Piaget Yellow Gold Polo Ref. 9131 with Pave Diamond and Ruby Dial (New Arrival)

Piaget Yellow Gold Polo Ref. 9131 with Pave Diamond and Ruby Dial (New Arrival)

Sold Out

 
Piaget - Piaget Yellow Gold Polo Ref. 861 with Mother of Pearl & Opal dial and Sapphire and Diamond Bracelet - The Keystone Watches

Piaget Yellow Gold Polo Ref. 861 with Mother of Pearl & Opal dial and Sapphire and Diamond Bracelet

Piaget Yellow Gold Polo Ref. 861 with Mother of Pearl & Opal dial and Sapphire and Diamond Bracelet

Sold Out

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New Arrivals Preview
 
Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

$23,750 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL) - The Keystone Watches

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

$155,000 USD
 
Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

$14,500 USD
 
Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

$13,250 USD
 
Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

$16,500 USD
 

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

$17,750 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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