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Cartier - Cartier Platinum Santos Ref. 1575 - The Keystone Watches

Cartier Platinum Santos Ref. 1575

Cartier Platinum Santos Ref. 1575

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Tudor - Tudor Steel Submariner ref 79190 - The Keystone Watches

Tudor Steel Submariner ref 79190

Tudor Steel Submariner ref 79190

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Cartier - Cartier Yellow Gold Tank Asymetrique - The Keystone Watches

Cartier Yellow Gold Tank Asymetrique

Cartier Yellow Gold Tank Asymetrique

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

Cartier Yellow Gold Jumbo Tank Automatique Watch, Circa 1970s

Cartier Yellow Gold Jumbo Tank Automatique Watch, Circa 1970s

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Cartier Yellow Gold Tank Watch, Circa 1965

Cartier Yellow Gold Tank Watch, Circa 1965

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Naoya Hida - Naoya Hida Steel NH TYPE1B - The Keystone Watches

Naoya Hida Steel NH TYPE1B

Naoya Hida Steel NH TYPE1B

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Cartier - Cartier White Gold Rotonde de Cartier Ref. W1556253 - The Keystone Watches

Cartier White Gold Rotonde de Cartier Ref. W1556253

Cartier White Gold Rotonde de Cartier Ref. W1556253

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Cartier - Cartier Rose Gold Rotonde de Cartier Ref. W1556252 - The Keystone Watches

Cartier Rose Gold Rotonde de Cartier Ref. W1556252

Cartier Rose Gold Rotonde de Cartier Ref. W1556252

$13,500 USD
 
A. Lange & Sohne - A. Lange & Sohne White Gold Lange 1 Perpetual Calendar Ref. 345.056 - The Keystone Watches

A. Lange & Sohne White Gold Lange 1 Perpetual Calendar Ref. 345.056

A. Lange & Sohne White Gold Lange 1 Perpetual Calendar Ref. 345.056

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Cartier - Cartier Yellow Gold and Enamel Travel Watch - The Keystone Watches

Cartier Yellow Gold and Enamel Travel Watch

Cartier Yellow Gold and Enamel Travel Watch

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Richard Mille - Richard Mille Tourbillon First Edition Rafael Nadal RM27 - The Keystone Watches

Richard Mille Tourbillon First Edition Rafael Nadal RM27

Richard Mille Tourbillon First Edition Rafael Nadal RM27

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Franck Muller - Franck Muller Platinum Chronograph Tourbillon Ref. 7850CCT - The Keystone Watches

Franck Muller Platinum Chronograph Tourbillon Ref. 7850CCT

Franck Muller Platinum Chronograph Tourbillon Ref. 7850CCT

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Bulgari - Bulgari Platinum Octo Finissimo Ref. BGO40PXT - The Keystone Watches

Bulgari Platinum Octo Finissimo Ref. BGO40PXT

Bulgari Platinum Octo Finissimo Ref. BGO40PXT

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Piaget - Piaget White Gold Diamond Onyx Ref. 9802N93 - The Keystone Watches

Piaget White Gold Diamond Onyx Ref. 9802N93

Piaget White Gold Diamond Onyx Ref. 9802N93

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Piaget White Gold Diamond and Sapphire Bezel

Piaget White Gold Diamond and Sapphire Bezel

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Piaget - Piaget White Gold, Lapis and Diamond Watch Ref. 9706 - The Keystone Watches

Piaget White Gold, Lapis and Diamond Watch Ref. 9706

Piaget White Gold, Lapis and Diamond Watch Ref. 9706

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Piaget - Piaget White Gold, Opal and Diamond Watch Ref. 9706 - The Keystone Watches

Piaget White Gold, Opal and Diamond Watch Ref. 9706

Piaget White Gold, Opal and Diamond Watch Ref. 9706

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A. Lange & Sohne - A. Lange & Sohne White Gold Langematik Sax-O-Mat Ref. 301.027 - The Keystone Watches

A. Lange & Sohne White Gold Langematik Sax-O-Mat Ref. 301.027

A. Lange & Sohne White Gold Langematik Sax-O-Mat Ref. 301.027

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Piaget - Piaget White Gold Lapis Diamond Watch Ref. 9806 - The Keystone Watches

Piaget White Gold Lapis Diamond Watch Ref. 9806

Piaget White Gold Lapis Diamond Watch Ref. 9806

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Piaget - Piaget White Gold Rubelite Diamond Watch Ref. 9804 - The Keystone Watches

Piaget White Gold Rubelite Diamond Watch Ref. 9804

Piaget White Gold Rubelite Diamond Watch Ref. 9804

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Cartier - Cartier Yellow Gold Tank Cintree Watch Ref. 4123 - The Keystone Watches

Cartier Yellow Gold Tank Cintree Watch Ref. 4123

Cartier Yellow Gold Tank Cintree Watch Ref. 4123

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

Cartier Yellow Gold Tank Cintree Watch

Cartier Yellow Gold Tank Cintree Watch

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FP Journe - F.P Journe Platinum Ruthenium Edition Tourbillon, Edition of 99 Pieces - The Keystone Watches

F.P Journe Platinum Ruthenium Edition Tourbillon, Edition of 99 Pieces

F.P Journe Platinum Ruthenium Edition Tourbillon, Edition of 99 Pieces

Sold Out

 
De Bethune - De Bethune Titanium Starry Sky Ref. DB28XP - The Keystone Watches

De Bethune Titanium Starry Sky Ref. DB28XP

De Bethune Titanium Starry Sky Ref. DB28XP

$110,000 USD
 
A. Lange & Sohne - A. Lange & Sohne Platinum Grand Lange 1 Lumen 117.035 - The Keystone Watches

A. Lange & Sohne Platinum Grand Lange 1 Lumen 117.035

A. Lange & Sohne Platinum Grand Lange 1 Lumen 117.035

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Piaget - Piaget Yellow Gold Lapis Malachite Watch, 1960s - The Keystone Watches

Piaget Yellow Gold Lapis Malachite Watch, 1960s

Piaget Yellow Gold Lapis Malachite Watch, 1960s

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A. Lange & Sohne White Gold 1815 Annual Calendar Watch Ref. 238.026

A. Lange & Sohne White Gold 1815 Annual Calendar Watch Ref. 238.026

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IWC - IWC Yellow Gold Da Vinci with Original Bark Finish - The Keystone Watches

IWC Yellow Gold Da Vinci with Original Bark Finish

IWC Yellow Gold Da Vinci with Original Bark Finish

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

Piaget Yellow Gold Lapis Beta 21 Watch Ref. 14101

Piaget Yellow Gold Lapis Beta 21 Watch Ref. 14101

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Chopard - Chopard White Gold and Lapis Asymetrical Watch and Ring Set - The Keystone Watches

Chopard White Gold and Lapis Asymetrical Watch and Ring Set

Chopard White Gold and Lapis Asymetrical Watch and Ring Set

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Piaget - Piaget Yellow Gold Emperador Diamond Watch Ref. 12336 - The Keystone Watches

Piaget Yellow Gold Emperador Diamond Watch Ref. 12336

Piaget Yellow Gold Emperador Diamond Watch Ref. 12336

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Piaget - Piaget White Gold Lapis Lazuli Watch Ref. 26011 - The Keystone Watches

Piaget White Gold Lapis Lazuli Watch Ref. 26011

Piaget White Gold Lapis Lazuli Watch Ref. 26011

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Cartier - Cartier Yellow Gold Santos Watch with Blue Dial - The Keystone Watches

Cartier Yellow Gold Santos Watch with Blue Dial

Cartier Yellow Gold Santos Watch with Blue Dial

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Jaeger LeCoultre - Jaeger LeCoultre Master Grande Minute Repeater Watch Ref. Q5011410, Limited to 100 Pieces - The Keystone Watches

Jaeger LeCoultre Master Grande Minute Repeater Watch Ref. Q5011410, Limited to 100 Pieces

Jaeger LeCoultre Master Grande Minute Repeater Watch Ref. Q5011410, Limited to 100 Pieces

Sold Out

 
Cartier - Cartier White Gold Tank Louis - The Keystone Watches

Cartier White Gold Tank Louis

Cartier White Gold Tank Louis

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Cartier - Cartier Yellow Gold Tank Obus Skeleton Watch Ref. 2380, Edition of 100 Pieces - The Keystone Watches

Cartier Yellow Gold Tank Obus Skeleton Watch Ref. 2380, Edition of 100 Pieces

Cartier Yellow Gold Tank Obus Skeleton Watch Ref. 2380, Edition of 100 Pieces

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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