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Cartier - Cartier White Gold Tank Manual-Wind Watch - The Keystone Watches

Cartier White Gold Tank Manual-Wind Watch

Cartier White Gold Tank Manual-Wind Watch

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Rolex - Rolex Yellow Gold Day-Date Bark Finish Watch Ref. 18078 - The Keystone Watches

Rolex Yellow Gold Day-Date Bark Finish Watch Ref. 18078

Rolex Yellow Gold Day-Date Bark Finish Watch Ref. 18078

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Rolex - Rolex Yellow Gold Day-Date Blue Vignette Diamond Watch Ref. 18048 - The Keystone Watches

Rolex Yellow Gold Day-Date Blue Vignette Diamond Watch Ref. 18048

Rolex Yellow Gold Day-Date Blue Vignette Diamond Watch Ref. 18048

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Audemars Piguet - Audemars Piguet White Gold Automatic Bracelet Watch - The Keystone Watches

Audemars Piguet White Gold Automatic Bracelet Watch

Audemars Piguet White Gold Automatic Bracelet Watch

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Patek Philippe - Patek Philippe White Gold Automatic Watch Ref. 3525 - The Keystone Watches

Patek Philippe White Gold Automatic Watch Ref. 3525

Patek Philippe White Gold Automatic Watch Ref. 3525

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Rolex - Rolex White Gold Day-Date Watch Ref. 1803 with Original Warranty Paper - The Keystone Watches

Rolex White Gold Day-Date Watch Ref. 1803 with Original Warranty Paper

Rolex White Gold Day-Date Watch Ref. 1803 with Original Warranty Paper

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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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Vacheron Constantin - Vacheron Constantin Steel Automatic Watch - The Keystone Watches

Vacheron Constantin Steel Automatic Watch

Vacheron Constantin Steel Automatic Watch

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Patek Philippe - Patek Philippe White Gold Nautilus Diamond Watch Ref. 3800 - The Keystone Watches

Patek Philippe White Gold Nautilus Diamond Watch Ref. 3800

Patek Philippe White Gold Nautilus Diamond Watch Ref. 3800

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Rolex - Rolex Date Black Gilt Watch Ref. 1501 - The Keystone Watches

Rolex Date Black Gilt Watch Ref. 1501

Rolex Date Black Gilt Watch Ref. 1501

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Rolex - Rolex Steel Red Submariner Watch Ref. 1680 With Original Papers - The Keystone Watches

Rolex Steel Red Submariner Watch Ref. 1680 With Original Papers

Rolex Steel Red Submariner Watch Ref. 1680 With Original Papers

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A. Lange & Sohne - A. Lange & Sohne White Gold Cabaret Soiree Diamond Watch, Ref. 868.032 - The Keystone Watches

A. Lange & Sohne White Gold Cabaret Soiree Diamond Watch, Ref. 868.032

A. Lange & Sohne White Gold Cabaret Soiree Diamond Watch, Ref. 868.032

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Piaget - Piaget White Gold Diamond & Onyx Watch - The Keystone Watches

Piaget White Gold Diamond & Onyx Watch

Piaget White Gold Diamond & Onyx Watch

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Audemars Piguet - Audemars Piguet White Gold Automatic Diamond Watch - The Keystone Watches

Audemars Piguet White Gold Automatic Diamond Watch

Audemars Piguet White Gold Automatic Diamond Watch

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Audemars Piguet - Audemars Piguet White Gold Automatic Cross Link Bracelet Watch - The Keystone Watches

Audemars Piguet White Gold Automatic Cross Link Bracelet Watch

Audemars Piguet White Gold Automatic Cross Link Bracelet Watch

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Piaget - Piaget White Gold Onyx & Baguette Diamond Watch - The Keystone Watches

Piaget White Gold Onyx & Baguette Diamond Watch

Piaget White Gold Onyx & Baguette Diamond Watch

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Piaget - Piaget Yellow Gold Diamond & Lapis Watch - The Keystone Watches

Piaget Yellow Gold Diamond & Lapis Watch

Piaget Yellow Gold Diamond & Lapis Watch

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Patek Philippe - Patek Philippe White Gold Bracelet Onyx Dial Ref. 3729 - The Keystone Watches

Patek Philippe White Gold Bracelet Onyx Dial Ref. 3729

Patek Philippe White Gold Bracelet Onyx Dial Ref. 3729

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Cartier - Cartier Yellow Gold Unusual Bracelet Watch - The Keystone Watches

Cartier Yellow Gold Unusual Bracelet Watch

Cartier Yellow Gold Unusual Bracelet Watch

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Cartier - Cartier Yellow Gold Asymmetrical Tank Watch, with Original Box and Certificate - The Keystone Watches

Cartier Yellow Gold Asymmetrical Tank Watch, with Original Box and Certificate

Cartier Yellow Gold Asymmetrical Tank Watch, with Original Box and Certificate

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Vacheron Constantin - Vacheron Constantin White Gold Diamond Watch - The Keystone Watches

Vacheron Constantin White Gold Diamond Watch

Vacheron Constantin White Gold Diamond Watch

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Patek Philippe - Patek Philippe White Gold Diamond Watch - The Keystone Watches

Patek Philippe White Gold Diamond Watch

Patek Philippe White Gold Diamond Watch

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Patek Philippe - Patek Philippe White Gold Strap Watch, Ref. 3671 - The Keystone Watches

Patek Philippe White Gold Strap Watch, Ref. 3671

Patek Philippe White Gold Strap Watch, Ref. 3671

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Patek Philippe - Patek Philippe Yellow Gold Aquanaut Watch - The Keystone Watches

Patek Philippe Yellow Gold Aquanaut Watch

Patek Philippe Yellow Gold Aquanaut Watch

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Patek Philippe - Patek Philippe Platinum Annual Calendar Power Reserve Watch Ref. 5056 - The Keystone Watches

Patek Philippe Platinum Annual Calendar Power Reserve Watch Ref. 5056

Patek Philippe Platinum Annual Calendar Power Reserve Watch Ref. 5056

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Rolex - Rolex Yellow Gold Zenith Cosmograph Daytona Watch, Ref 16518 with Original Box and Papers - The Keystone Watches

Rolex Yellow Gold Zenith Cosmograph Daytona Watch, Ref 16518 with Original Box and Papers

Rolex Yellow Gold Zenith Cosmograph Daytona Watch, Ref 16518 with Original Box and Papers

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Audemars Piguet - Audemars Piguet White Gold Royal Oak Rainbow Watch - The Keystone Watches

Audemars Piguet White Gold Royal Oak Rainbow Watch

Audemars Piguet White Gold Royal Oak Rainbow Watch

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Rainbow Watch - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Rainbow Watch

Audemars Piguet Rose Gold Royal Oak Rainbow Watch

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Rolex - Rolex White Gold Pearlmaster Diamond Sapphire Ref. 80309 - The Keystone Watches

Rolex White Gold Pearlmaster Diamond Sapphire Ref. 80309

Rolex White Gold Pearlmaster Diamond Sapphire Ref. 80309

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Audemars Piguet - Audemars Piguet White Gold Opal Diamond Watch - The Keystone Watches

Audemars Piguet White Gold Opal Diamond Watch

Audemars Piguet White Gold Opal Diamond Watch

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Audemars Piguet - Audemars Piguet Rose Gold Automatic Royal Oak Ref. 15450 - The Keystone Watches

Audemars Piguet Rose Gold Automatic Royal Oak Ref. 15450

Audemars Piguet Rose Gold Automatic Royal Oak Ref. 15450

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Patek Philippe - Patek Philippe Steel Nautilus Watch Ref. 3800 with Original Box and Papers - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 3800 with Original Box and Papers

Patek Philippe Steel Nautilus Watch Ref. 3800 with Original Box and Papers

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Rolex - Rolex GMT-Master II Pepsi Watch Ref. 16710 with Original Paper - The Keystone Watches

Rolex GMT-Master II Pepsi Watch Ref. 16710 with Original Paper

Rolex GMT-Master II Pepsi Watch Ref. 16710 with Original Paper

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Patek Philippe - Patek Philippe Yellow Gold Diamond & Emerald Watch - The Keystone Watches

Patek Philippe Yellow Gold Diamond & Emerald Watch

Patek Philippe Yellow Gold Diamond & Emerald Watch

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Audemars Piguet - Audemars Piguet White Gold Diamond Bracelet Watch - The Keystone Watches

Audemars Piguet White Gold Diamond Bracelet Watch

Audemars Piguet White Gold Diamond Bracelet Watch

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Patek Philippe - Patek Philippe Yellow Gold Onyx Diamond Watch - The Keystone Watches

Patek Philippe Yellow Gold Onyx Diamond Watch

Patek Philippe Yellow Gold Onyx Diamond Watch

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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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