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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Lange One First Series Watch, Ref. 101.001 - The Keystone Watches

A. Lange & Sohne Yellow Gold Lange One First Series Watch, Ref. 101.001

A. Lange & Sohne Yellow Gold Lange One First Series Watch, Ref. 101.001

Sold Out

 
Cartier - Cartier Yellow Gold Tank Gondole Strap Watch - The Keystone Watches

Cartier Yellow Gold Tank Gondole Strap Watch

Cartier Yellow Gold Tank Gondole Strap Watch

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Jaeger LeCoultre - Jaeger Lecoultre Rose Gold Reverso Moonphase Reserve De Marche Watch - The Keystone Watches

Jaeger Lecoultre Rose Gold Reverso Moonphase Reserve De Marche Watch

Jaeger Lecoultre Rose Gold Reverso Moonphase Reserve De Marche Watch

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FP Journe - F.P. Journe Octa Sport S Indy 500 Watch, with Original Box and Papers - The Keystone Watches

F.P. Journe Octa Sport S Indy 500 Watch, with Original Box and Papers

F.P. Journe Octa Sport S Indy 500 Watch, with Original Box and Papers

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FP Journe - F.P. Journe Rose Gold Octa Lune Watch, with Original Box and Certificate - The Keystone Watches

F.P. Journe Rose Gold Octa Lune Watch, with Original Box and Certificate

F.P. Journe Rose Gold Octa Lune Watch, with Original Box and Certificate

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Piaget - Piaget Yellow Gold Beta 21 Tigerseye Watch Ref. 14101 - The Keystone Watches

Piaget Yellow Gold Beta 21 Tigerseye Watch Ref. 14101

Piaget Yellow Gold Beta 21 Tigerseye Watch Ref. 14101

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IWC - IWC Aquatimer Chronograph Watch Ref. IW376802 - The Keystone Watches

IWC Aquatimer Chronograph Watch Ref. IW376802

IWC Aquatimer Chronograph Watch Ref. IW376802

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IWC - IWC Mark XVII Le Petit Prince Edition Watch - The Keystone Watches

IWC Mark XVII Le Petit Prince Edition Watch

IWC Mark XVII Le Petit Prince Edition Watch

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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Saxonia 1st Series Watch Ref. 102.002 - The Keystone Watches

A. Lange & Sohne Yellow Gold Saxonia 1st Series Watch Ref. 102.002

A. Lange & Sohne Yellow Gold Saxonia 1st Series Watch Ref. 102.002

Sold Out

 
Richard Mille - Richard Mille Extra Flat Automatic Skeleton Mutaz Watch Ref. RM67-02 - The Keystone Watches

Richard Mille Extra Flat Automatic Skeleton Mutaz Watch Ref. RM67-02

Richard Mille Extra Flat Automatic Skeleton Mutaz Watch Ref. RM67-02

Sold Out

 
FP Journe - F.P. Journe Platinum Remontoir dEgalite Tourbillon Watch - The Keystone Watches

F.P. Journe Platinum Remontoir dEgalite Tourbillon Watch

F.P. Journe Platinum Remontoir dEgalite Tourbillon Watch

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Roger Dubuis - Roger Dubuis Rose Gold Hommage Perpetual Retrograde Watch - The Keystone Watches

Roger Dubuis Rose Gold Hommage Perpetual Retrograde Watch

Roger Dubuis Rose Gold Hommage Perpetual Retrograde Watch

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Panerai - Panerai Luminor Submersible Early Tritium Dial Watch Ref. PAM106 - The Keystone Watches

Panerai Luminor Submersible Early Tritium Dial Watch Ref. PAM106

Panerai Luminor Submersible Early Tritium Dial Watch Ref. PAM106

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Cartier - Cartier Yellow Gold Tank Bec dAigle Watch - The Keystone Watches

Cartier Yellow Gold Tank Bec dAigle Watch

Cartier Yellow Gold Tank Bec dAigle Watch

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Cartier - Cartier Yellow Gold Tank Diamond Watch - The Keystone Watches

Cartier Yellow Gold Tank Diamond Watch

Cartier Yellow Gold Tank Diamond Watch

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Hublot - Hublot Classic Fusion Tourbillon Rose Gold - The Keystone Watches

Hublot Classic Fusion Tourbillon Rose Gold

Hublot Classic Fusion Tourbillon Rose Gold

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Cartier - Cartier Platinum Tank Cintree Skeletonized Watch - The Keystone Watches

Cartier Platinum Tank Cintree Skeletonized Watch

Cartier Platinum Tank Cintree Skeletonized Watch

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A. Lange & Sohne - A. Lange & Sohne Rose Gold 1815 Tourbillon Watch Ref. 730.032 - The Keystone Watches

A. Lange & Sohne Rose Gold 1815 Tourbillon Watch Ref. 730.032

A. Lange & Sohne Rose Gold 1815 Tourbillon Watch Ref. 730.032

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A. Lange & Sohne - A Lange & Sohne 1815 Chronograph White Gold - The Keystone Watches

A Lange & Sohne 1815 Chronograph White Gold

A Lange & Sohne 1815 Chronograph White Gold

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Cartier - Cartier White Gold Tank XL Automatique Watch - The Keystone Watches

Cartier White Gold Tank XL Automatique Watch

Cartier White Gold Tank XL Automatique Watch

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Piaget - Piaget White Gold Automatic Watch Ref. 12311, Retailed by Asprey - The Keystone Watches

Piaget White Gold Automatic Watch Ref. 12311, Retailed by Asprey

Piaget White Gold Automatic Watch Ref. 12311, Retailed by Asprey

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Cartier - Cartier Rose Gold Tonneau Dual Time Zone Watch - The Keystone Watches

Cartier Rose Gold Tonneau Dual Time Zone Watch

Cartier Rose Gold Tonneau Dual Time Zone Watch

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Jaeger LeCoultre - Jaeger Lecoultre Reverso Travel Time Tigers Eye Watch Ref. 215.8.D4 - The Keystone Watches

Jaeger Lecoultre Reverso Travel Time Tigers Eye Watch Ref. 215.8.D4

Jaeger Lecoultre Reverso Travel Time Tigers Eye Watch Ref. 215.8.D4

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A. Lange & Sohne - A. Lange & Sohne Platinum Grand Lange 1 Watch Ref. 117.025 - The Keystone Watches

A. Lange & Sohne Platinum Grand Lange 1 Watch Ref. 117.025

A. Lange & Sohne Platinum Grand Lange 1 Watch Ref. 117.025

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Panerai - Panerai Luminor Black Seal for Purdey Ref. Pam76 - The Keystone Watches

Panerai Luminor Black Seal for Purdey Ref. Pam76

Panerai Luminor Black Seal for Purdey Ref. Pam76

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Cartier - Cartier Yellow Gold Tank Faberge Watch - The Keystone Watches

Cartier Yellow Gold Tank Faberge Watch

Cartier Yellow Gold Tank Faberge Watch

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A. Lange & Sohne - A. Lange & Sohne White Gold Saxonia Dual Time Watch Ref. 385.026 - The Keystone Watches

A. Lange & Sohne White Gold Saxonia Dual Time Watch Ref. 385.026

A. Lange & Sohne White Gold Saxonia Dual Time Watch Ref. 385.026

Sold Out

 
Cartier - Cartier Yellow Gold Tank Watch, Circa 1970s - The Keystone Watches

Cartier Yellow Gold Tank Watch, Circa 1970s

Cartier Yellow Gold Tank Watch, Circa 1970s

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FP Journe - F.P. Journe Platinum Chronometre Souverain Watch - The Keystone Watches

F.P. Journe Platinum Chronometre Souverain Watch

F.P. Journe Platinum Chronometre Souverain Watch

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Cartier - Cartier Santos Dumont Skeletonized Watch Ref. W2020052 - The Keystone Watches

Cartier Santos Dumont Skeletonized Watch Ref. W2020052

Cartier Santos Dumont Skeletonized Watch Ref. W2020052

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Cartier - Cartier Yellow Gold Tank Arrondie Watch, Circa 1970s - The Keystone Watches

Cartier Yellow Gold Tank Arrondie Watch, Circa 1970s

Cartier Yellow Gold Tank Arrondie Watch, Circa 1970s

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Tudor - Tudor Submariner Watch Ref. 79090 with Original Warranty Paper - The Keystone Watches

Tudor Submariner Watch Ref. 79090 with Original Warranty Paper

Tudor Submariner Watch Ref. 79090 with Original Warranty Paper

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Cartier - Cartier Yellow Gold Tank A Vis Privee Jump Hour Watch - The Keystone Watches

Cartier Yellow Gold Tank A Vis Privee Jump Hour Watch

Cartier Yellow Gold Tank A Vis Privee Jump Hour Watch

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A. Lange & Sohne - A. Lange & Sohne White Gold Lange 1 Luminous Watch Ref. 101.029 - The Keystone Watches

A. Lange & Sohne White Gold Lange 1 Luminous Watch Ref. 101.029

A. Lange & Sohne White Gold Lange 1 Luminous Watch Ref. 101.029

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne Rose Gold Lange 1 Watch Ref. 101.033 - The Keystone Watches

A. Lange & Sohne Rose Gold Lange 1 Watch Ref. 101.033

A. Lange & Sohne Rose Gold Lange 1 Watch Ref. 101.033

Sold Out

 
Richard Mille - Richard Mille RM11 Felipe Massa Le Mans Classic Watch - The Keystone Watches

Richard Mille RM11 Felipe Massa Le Mans Classic Watch

Richard Mille RM11 Felipe Massa Le Mans Classic 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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