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

Piaget White Gold Diamond & Onyx Automatic Watch

Piaget White Gold Diamond & Onyx Automatic Watch

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

Cartier Yellow Gold Tortue Watch, Circa 1970s

Cartier Yellow Gold Tortue Watch, Circa 1970s

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IWC - IWC Ingenieur Automatic Watch Ref. 666 - The Keystone Watches

IWC Ingenieur Automatic Watch Ref. 666

IWC Ingenieur Automatic Watch Ref. 666

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Cartier - Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2396 - The Keystone Watches

Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2396

Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2396

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A. Lange & Sohne - A. Lange & Sohne White Gold Dual TIme Watch, Ref. 386.026 - The Keystone Watches

A. Lange & Sohne White Gold Dual TIme Watch, Ref. 386.026

A. Lange & Sohne White Gold Dual TIme Watch, Ref. 386.026

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Piaget - Piaget Yellow Gold Opal Diamond Watch - The Keystone Watches

Piaget Yellow Gold Opal Diamond Watch

Piaget Yellow Gold Opal Diamond Watch

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Piaget - Piaget White Gold Dual Time Watch - The Keystone Watches

Piaget White Gold Dual Time Watch

Piaget White Gold Dual Time Watch

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Cartier - Cartier Yellow Gold Santos Watch in New Old Stock Condition - The Keystone Watches

Cartier Yellow Gold Santos Watch in New Old Stock Condition

Cartier Yellow Gold Santos Watch in New Old Stock Condition

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Breguet - Breguet Yellow Gold Classique Watch, Retailed by Chaumet Paris - The Keystone Watches

Breguet Yellow Gold Classique Watch, Retailed by Chaumet Paris

Breguet Yellow Gold Classique Watch, Retailed by Chaumet Paris

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Laurent Ferrier - Laurent Ferrier Steel Grand Sport Tourbillon Watch, Limited to 12 Pieces - The Keystone Watches

Laurent Ferrier Steel Grand Sport Tourbillon Watch, Limited to 12 Pieces

Laurent Ferrier Steel Grand Sport Tourbillon Watch, Limited to 12 Pieces

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Cartier - Cartier Yellow Gold Tank Louis Bracelet Watch with Original Box and Warranty - The Keystone Watches

Cartier Yellow Gold Tank Louis Bracelet Watch with Original Box and Warranty

Cartier Yellow Gold Tank Louis Bracelet Watch with Original Box and Warranty

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Corum - Corum White Gold Golden Bridge Napoleon Watch - The Keystone Watches

Corum White Gold Golden Bridge Napoleon Watch

Corum White Gold Golden Bridge Napoleon Watch

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Corum - Corum Rose Gold Golden Bridge Adam & Eve Watch - The Keystone Watches

Corum Rose Gold Golden Bridge Adam & Eve Watch

Corum Rose Gold Golden Bridge Adam & Eve Watch

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Ulysse Nardin - Ulysse Nardin Platinum San Marco Kremlin Cloisonne Dial Watch - The Keystone Watches

Ulysse Nardin Platinum San Marco Kremlin Cloisonne Dial Watch

Ulysse Nardin Platinum San Marco Kremlin Cloisonne Dial Watch

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Cartier - Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2396 with Original Box and Paper - The Keystone Watches

Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2396 with Original Box and Paper

Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2396 with Original Box and Paper

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Roger Dubuis - Roger Dubuis White Gold Hommage Perpetual Calendar Watch - The Keystone Watches

Roger Dubuis White Gold Hommage Perpetual Calendar Watch

Roger Dubuis White Gold Hommage Perpetual Calendar Watch

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Ulysse Nardin - Ulysse Nardin Platinum Triple Jack Minute Repeater Watch Ref. 739-20 - The Keystone Watches

Ulysse Nardin Platinum Triple Jack Minute Repeater Watch Ref. 739-20

Ulysse Nardin Platinum Triple Jack Minute Repeater Watch Ref. 739-20

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A. Lange & Sohne - A. Lange & Sohne Platinum Datograph Watch Ref. 403.035 - The Keystone Watches

A. Lange & Sohne Platinum Datograph Watch Ref. 403.035

A. Lange & Sohne Platinum Datograph Watch Ref. 403.035

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Jaeger LeCoultre - Jaeger Lecoultre Platinum Reverso Grand Complication Triptyque Watch Ref. 241.6.65 - The Keystone Watches

Jaeger Lecoultre Platinum Reverso Grand Complication Triptyque Watch Ref. 241.6.65

Jaeger Lecoultre Platinum Reverso Grand Complication Triptyque Watch Ref. 241.6.65

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H. Moser & Cie - H. Moser & Cie Heritage Tourbillon Funky Blue Watch - The Keystone Watches

H. Moser & Cie Heritage Tourbillon Funky Blue Watch

H. Moser & Cie Heritage Tourbillon Funky Blue Watch

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H. Moser & Cie - H. Moser & Cie Endeavor Tourbillon Watch - The Keystone Watches

H. Moser & Cie Endeavor Tourbillon Watch

H. Moser & Cie Endeavor Tourbillon Watch

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Ulysse Nardin - Ulysse Nardin Freak Vision Platinum Watch Ref. 2505, Limited to 10 Pieces - The Keystone Watches

Ulysse Nardin Freak Vision Platinum Watch Ref. 2505, Limited to 10 Pieces

Ulysse Nardin Freak Vision Platinum Watch Ref. 2505, Limited to 10 Pieces

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

Cartier Yellow Gold Tank Normale Watch

Cartier Yellow Gold Tank Normale Watch

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Girard Perregaux - Girard Perregaux White Gold 1945 Tourbillon Watch Ref. 9985 - The Keystone Watches

Girard Perregaux White Gold 1945 Tourbillon Watch Ref. 9985

Girard Perregaux White Gold 1945 Tourbillon Watch Ref. 9985

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H. Moser & Cie - H. Moser & Cie Pioneer Centre Seconds Watch Ref. 3200-1202 - The Keystone Watches

H. Moser & Cie Pioneer Centre Seconds Watch Ref. 3200-1202

H. Moser & Cie Pioneer Centre Seconds Watch Ref. 3200-1202

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A. Lange & Sohne - A Lange & Sohne Rose Gold Saxonia Dual Time Watch Ref. 385.032 - The Keystone Watches

A Lange & Sohne Rose Gold Saxonia Dual Time Watch Ref. 385.032

A Lange & Sohne Rose Gold Saxonia Dual Time Watch Ref. 385.032

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A. Lange & Sohne - A Lange & Sohne White Gold Saxonia Annual Calendar Watch, Ref. 330.026 - The Keystone Watches

A Lange & Sohne White Gold Saxonia Annual Calendar Watch, Ref. 330.026

A Lange & Sohne White Gold Saxonia Annual Calendar Watch, Ref. 330.026

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Cartier - Cartier White Gold Rectangulaire a Pattes Vis Armurier Enamel Tank Watch - The Keystone Watches

Cartier White Gold Rectangulaire a Pattes Vis Armurier Enamel Tank Watch

Cartier White Gold Rectangulaire a Pattes Vis Armurier Enamel Tank Watch

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IWC - IWC Aquatimer Watch Ref. 1812, from 1968 - The Keystone Watches

IWC Aquatimer Watch Ref. 1812, from 1968

IWC Aquatimer Watch Ref. 1812, from 1968

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Glashutte - Glashutte White Gold Senator Tourbillon Watch - The Keystone Watches

Glashutte White Gold Senator Tourbillon Watch

Glashutte White Gold Senator Tourbillon Watch

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Ulysse Nardin - Ulysse Nardin Platinum Hour Striker Watch Ref. 759-20 - The Keystone Watches

Ulysse Nardin Platinum Hour Striker Watch Ref. 759-20

Ulysse Nardin Platinum Hour Striker Watch Ref. 759-20

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Cartier - Cartier Yellow Gold Pasha Perpetual Calendar Minute Repeater Watch - The Keystone Watches

Cartier Yellow Gold Pasha Perpetual Calendar Minute Repeater Watch

Cartier Yellow Gold Pasha Perpetual Calendar Minute Repeater Watch

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Piaget - Piaget White Gold Altiplano Skeleton Watch - The Keystone Watches

Piaget White Gold Altiplano Skeleton Watch

Piaget White Gold Altiplano Skeleton Watch

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Hermes - Hermes Steel Automatic Watch, 1960s - The Keystone Watches

Hermes Steel Automatic Watch, 1960s

Hermes Steel Automatic Watch, 1960s

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IWC - IWC Platinum Portuguese Skeletonizsed Minute Repeater Watch - The Keystone Watches

IWC Platinum Portuguese Skeletonizsed Minute Repeater Watch

IWC Platinum Portuguese Skeletonizsed Minute Repeater Watch

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

F.P. Journe Platinum Souveraine Tourbillon Watch

F.P. Journe Platinum Souveraine Tourbillon Watch

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New Arrivals Preview
 
Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

$9,800 USD
 
Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

$8,750 USD
 
Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

$18,750 USD
 
Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

$23,500 USD
 
Boucheron - Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival) - The Keystone Watches

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

$9,500 USD
 
Rolex - Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival) - The Keystone Watches

Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival)

Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival)

$7,500 USD
 
Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

$15,500 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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