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A. Lange & Sohne - A. Lange & Sohne Platinum Lange One for Sincere Singapore Ref. 112.049 - The Keystone Watches

A. Lange & Sohne Platinum Lange One for Sincere Singapore Ref. 112.049

A. Lange & Sohne Platinum Lange One for Sincere Singapore Ref. 112.049

Sold Out

 
Cartier - Cartier Platinum and Diamond Tank Chinoise Ref. 2685 - The Keystone Watches

Cartier Platinum and Diamond Tank Chinoise Ref. 2685

Cartier Platinum and Diamond Tank Chinoise Ref. 2685

Sold Out

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

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

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

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Cartier - Cartier White Gold Tank Americaine XL Ref. 2521 - The Keystone Watches

Cartier White Gold Tank Americaine XL Ref. 2521

Cartier White Gold Tank Americaine XL Ref. 2521

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Cartier - Cartier Tank Americaine Large Rose Gold Ref. 2505 - The Keystone Watches

Cartier Tank Americaine Large Rose Gold Ref. 2505

Cartier Tank Americaine Large Rose Gold Ref. 2505

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Richard Mille - Richard Mille Titanium RM010 AG Ti - The Keystone Watches

Richard Mille Titanium RM010 AG Ti

Richard Mille Titanium RM010 AG Ti

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Jaeger LeCoultre - Jaeger Lecoultre Platinum Reverso Number One Skeletonized Watch - The Keystone Watches

Jaeger Lecoultre Platinum Reverso Number One Skeletonized Watch

Jaeger Lecoultre Platinum Reverso Number One Skeletonized Watch

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

Cartier Yellow Gold Jumbo Tank Gondole Watch

Cartier Yellow Gold Jumbo Tank Gondole Watch

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Richard Mille - Richard Mille Rose Gold Automatic RM07 - The Keystone Watches

Richard Mille Rose Gold Automatic RM07

Richard Mille Rose Gold Automatic RM07

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Richard Mille - Richard Mille RM010 Titanium, Limited Ginza Collection of 15 - The Keystone Watches

Richard Mille RM010 Titanium, Limited Ginza Collection of 15

Richard Mille RM010 Titanium, Limited Ginza Collection of 15

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Jaeger LeCoultre - Jaeger Lecoultre Rose Gold Minute Repeater Reverso Watch, Ref. 270.2.73 - The Keystone Watches

Jaeger Lecoultre Rose Gold Minute Repeater Reverso Watch, Ref. 270.2.73

Jaeger Lecoultre Rose Gold Minute Repeater Reverso Watch, Ref. 270.2.73

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Jaeger LeCoultre - Jaeger Lecoultre Rose Gold Reverso Tourbillon Watch, Ref. 270.2.68 - The Keystone Watches

Jaeger Lecoultre Rose Gold Reverso Tourbillon Watch, Ref. 270.2.68

Jaeger Lecoultre Rose Gold Reverso Tourbillon Watch, Ref. 270.2.68

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Richard Mille - Richard Mille Rose Gold Split Seconds Chrono Ref. RM004 V3 Asia Edition - The Keystone Watches

Richard Mille Rose Gold Split Seconds Chrono Ref. RM004 V3 Asia Edition

Richard Mille Rose Gold Split Seconds Chrono Ref. RM004 V3 Asia Edition

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Jaeger LeCoultre - Jaeger Lecoultre Rose Gold Reverso Watch Ref. 250.2.86 - The Keystone Watches

Jaeger Lecoultre Rose Gold Reverso Watch Ref. 250.2.86

Jaeger Lecoultre Rose Gold Reverso Watch Ref. 250.2.86

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Richard Mille - Richard Mille RM11-03 Carbon TPT - The Keystone Watches

Richard Mille RM11-03 Carbon TPT

Richard Mille RM11-03 Carbon TPT

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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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Piaget - Piaget Yellow Gold Watch Ref. 9066 with Diamond Bezel and Lapis and Diamond Dial - The Keystone Watches

Piaget Yellow Gold Watch Ref. 9066 with Diamond Bezel and Lapis and Diamond Dial

Piaget Yellow Gold Watch Ref. 9066 with Diamond Bezel and Lapis and Diamond Dial

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Breguet - Breguet Automatic Perpetual Calendar Watch Ref. 3050 - The Keystone Watches

Breguet Automatic Perpetual Calendar Watch Ref. 3050

Breguet Automatic Perpetual Calendar Watch Ref. 3050

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Piaget - Piaget Yellow Gold Watch with Diamond Bezel and Opal, Diamond and Ruby Dial - The Keystone Watches

Piaget Yellow Gold Watch with Diamond Bezel and Opal, Diamond and Ruby Dial

Piaget Yellow Gold Watch with Diamond Bezel and Opal, Diamond and Ruby Dial

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Chopard - Chopard White Gold Watch with Lapis Dial with Emerald Diamonds - The Keystone Watches

Chopard White Gold Watch with Lapis Dial with Emerald Diamonds

Chopard White Gold Watch with Lapis Dial with Emerald Diamonds

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Laurent Ferrier - Laurent Ferrier Steel Tourbillon Grand Sport Watch, Ref. LF 619.01 - The Keystone Watches

Laurent Ferrier Steel Tourbillon Grand Sport Watch, Ref. LF 619.01

Laurent Ferrier Steel Tourbillon Grand Sport Watch, Ref. LF 619.01

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Cartier - Cartier Yellow Gold Tank Gondole TV Shape Watch - The Keystone Watches

Cartier Yellow Gold Tank Gondole TV Shape Watch

Cartier Yellow Gold Tank Gondole TV Shape Watch

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Cartier - Cartier Yellow Gold Tank Obus - The Keystone Watches

Cartier Yellow Gold Tank Obus

Cartier Yellow Gold Tank Obus

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A. Lange & Sohne - A. Lange & Sohne White Gold Sax-O-Mat Automatic Ref. 351.027 - The Keystone Watches

A. Lange & Sohne White Gold Sax-O-Mat Automatic Ref. 351.027

A. Lange & Sohne White Gold Sax-O-Mat Automatic Ref. 351.027

Sold Out

 
Daniel Roth - Daniel Roth Steel Automatic Chronograph Watch - The Keystone Watches

Daniel Roth Steel Automatic Chronograph Watch

Daniel Roth Steel Automatic Chronograph Watch

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Tudor - Tudor Steel Submariner Ref. 79090 with Original Box and Warranty - The Keystone Watches

Tudor Steel Submariner Ref. 79090 with Original Box and Warranty

Tudor Steel Submariner Ref. 79090 with Original Box and Warranty

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A. Lange & Sohne - A Lange & Sohne Rose Gold Richard Lange Referenzuhr Ref. 250.032 - The Keystone Watches

A Lange & Sohne Rose Gold Richard Lange Referenzuhr Ref. 250.032

A Lange & Sohne Rose Gold Richard Lange Referenzuhr Ref. 250.032

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

Cartier London Yellow Gold Tank Watch

Cartier London Yellow Gold Tank Watch

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FP Journe - F.P Journe Platinum Tourbillon Remontoir dEgalite with Rose Gold Dial - The Keystone Watches

F.P Journe Platinum Tourbillon Remontoir dEgalite with Rose Gold Dial

F.P Journe Platinum Tourbillon Remontoir dEgalite with Rose Gold Dial

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Piaget - Piaget White Gold Diamond Bezel with Black and Diamond Dial on Bracelet - The Keystone Watches

Piaget White Gold Diamond Bezel with Black and Diamond Dial on Bracelet

Piaget White Gold Diamond Bezel with Black and Diamond Dial on Bracelet

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Cartier - Cartier White Gold Tonneau Dual Time Ref. 2806 - The Keystone Watches

Cartier White Gold Tonneau Dual Time Ref. 2806

Cartier White Gold Tonneau Dual Time Ref. 2806

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

Cartier Yellow Gold Tank Cintree Watch, 1970s

Cartier Yellow Gold Tank Cintree Watch, 1970s

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Cartier - Cartier White Gold Tortue Monopoussir Watch, Ref 2396 - The Keystone Watches

Cartier White Gold Tortue Monopoussir Watch, Ref 2396

Cartier White Gold Tortue Monopoussir Watch, Ref 2396

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Daniel Roth - Daniel Roth Steel Automatic Chronograph Watch - The Keystone Watches

Daniel Roth Steel Automatic Chronograph Watch

Daniel Roth Steel Automatic Chronograph Watch

Sold Out

 
Cartier - Cartier Yellow Gold Tonneau Dual Time Watch - The Keystone Watches

Cartier Yellow Gold Tonneau Dual Time Watch

Cartier Yellow Gold Tonneau Dual Time Watch

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne Rose Gold 1815 Flyback Chronograph Watch - The Keystone Watches

A. Lange & Sohne Rose Gold 1815 Flyback Chronograph Watch

A. Lange & Sohne Rose Gold 1815 Flyback Chronograph Watch

Sold Out

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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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