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IWC - IWC Platinum Novecento Perpetual Calendar Ref. 3546 - The Keystone Watches

IWC Platinum Novecento Perpetual Calendar Ref. 3546

IWC Platinum Novecento Perpetual Calendar Ref. 3546

Sold Out

 

Patek Philippe Platinum Grand Complication Perpetual Calendar Minute Repeater Watch Ref. 5016

Patek Philippe Platinum Grand Complication Perpetual Calendar Minute Repeater Watch Ref. 5016

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Rolex - Rolex Platinum Day-Date Ref. 18046 - The Keystone Watches

Rolex Platinum Day-Date Ref. 18046

Rolex Platinum Day-Date Ref. 18046

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Rolex - Rolex Platinum Cosmograph Daytona Diamond Watch Ref. 116576 - The Keystone Watches

Rolex Platinum Cosmograph Daytona Diamond Watch Ref. 116576

Rolex Platinum Cosmograph Daytona Diamond Watch Ref. 116576

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Rolex - Rolex Platinum Day-Date Ref. 18206 - The Keystone Watches

Rolex Platinum Day-Date Ref. 18206

Rolex Platinum Day-Date Ref. 18206

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Patek Philippe - Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960P - The Keystone Watches

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960P

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960P

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970

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Patek Philippe - Patek Philippe Platinum Grand Complication Ref. 5016 - The Keystone Watches

Patek Philippe Platinum Grand Complication Ref. 5016

Patek Philippe Platinum Grand Complication Ref. 5016

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Blancpain - Blancpain Platinum Leman Tourbillon Perpetual Calendar 8 Days Watch Ref. 2625 - The Keystone Watches

Blancpain Platinum Leman Tourbillon Perpetual Calendar 8 Days Watch Ref. 2625

Blancpain Platinum Leman Tourbillon Perpetual Calendar 8 Days Watch Ref. 2625

Sold Out

 
Bulgari - Bulgari Platinum Tourbillon Watch - The Keystone Watches

Bulgari Platinum Tourbillon Watch

Bulgari Platinum Tourbillon Watch

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Audemars Piguet - Audemars Piguet Platinum Watch - The Keystone Watches

Audemars Piguet Platinum Watch

Audemars Piguet Platinum Watch

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Ref 5140 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Ref 5140

Patek Philippe Platinum Perpetual Calendar Ref 5140

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Audemars Piguet - Audemars Piguet Platinum Dual Time Ref 25685 - The Keystone Watches

Audemars Piguet Platinum Dual Time Ref 25685

Audemars Piguet Platinum Dual Time Ref 25685

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Cartier Platinum Tank Cintree Ref. 4124

Cartier Platinum Tank Cintree Ref. 4124

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Cartier - Cartier Platinum Ronde Louis Ref. W1528051 CPCP Collection - The Keystone Watches

Cartier Platinum Ronde Louis Ref. W1528051 CPCP Collection

Cartier Platinum Ronde Louis Ref. W1528051 CPCP Collection

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140

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Patek Philippe - Patek Philippe Platinum World Time Watch Ref. 5131 - The Keystone Watches

Patek Philippe Platinum World Time Watch Ref. 5131

Patek Philippe Platinum World Time Watch Ref. 5131

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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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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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Rolex - Rolex Platinum Day-Date Baguette Diamond Watch Ref. 18366 with Bucherer Warranty - The Keystone Watches

Rolex Platinum Day-Date Baguette Diamond Watch Ref. 18366 with Bucherer Warranty

Rolex Platinum Day-Date Baguette Diamond Watch Ref. 18366 with Bucherer Warranty

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5374 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5374

Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5374

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Tourbillon Watch Ref. 5016 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Tourbillon Watch Ref. 5016

Patek Philippe Platinum Perpetual Calendar Tourbillon Watch Ref. 5016

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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

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Watch Ref. 5970 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5970

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5970

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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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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Split Seconds Chronograph Ref. 5004 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Split Seconds Chronograph Ref. 5004

Patek Philippe Platinum Perpetual Calendar Split Seconds Chronograph Ref. 5004

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Rolex - Rolex Platinum Day-Date Ref. 18296 with Original Diamonds - The Keystone Watches

Rolex Platinum Day-Date Ref. 18296 with Original Diamonds

Rolex Platinum Day-Date Ref. 18296 with Original Diamonds

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 3970 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 3970

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 3970

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Patek Philippe - Patek Philippe Platinum Advanced Research Ref. 5550 - The Keystone Watches

Patek Philippe Platinum Advanced Research Ref. 5550

Patek Philippe Platinum Advanced Research Ref. 5550

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A. Lange & Sohne - A. Lange & Sohne Platinum Darth Saxonia 105.035 - The Keystone Watches

A. Lange & Sohne Platinum Darth Saxonia 105.035

A. Lange & Sohne Platinum Darth Saxonia 105.035

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Rolex - Rolex Platinum Day-Date Ref. 18296 with Factory Diamond Dial and Lugs - The Keystone Watches

Rolex Platinum Day-Date Ref. 18296 with Factory Diamond Dial and Lugs

Rolex Platinum Day-Date Ref. 18296 with Factory Diamond Dial and Lugs

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Patek Philippe - Patek Philippe Platinum World Time Watch Ref. 5130 - The Keystone Watches

Patek Philippe Platinum World Time Watch Ref. 5130

Patek Philippe Platinum World Time Watch Ref. 5130

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Rolex - Rolex Platinum and Diamond Day-Date Ref. 18296 - The Keystone Watches

Rolex Platinum and Diamond Day-Date Ref. 18296

Rolex Platinum and Diamond Day-Date Ref. 18296

Sold Out

 
Audemars Piguet - Audemars Piguet Platinum 150th Anniversary Tourbillon Watch Ref. 25964 - The Keystone Watches

Audemars Piguet Platinum 150th Anniversary Tourbillon Watch Ref. 25964

Audemars Piguet Platinum 150th Anniversary Tourbillon Watch Ref. 25964

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New Arrivals Preview
 
Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL)

Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL)

Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL)

$7,200 USD
 
Louis Vuitton - Louis Vuitton Green Ceramic Monterey II (New Arrival) - The Keystone Watches

Louis Vuitton Green Ceramic Monterey II (New Arrival)

Louis Vuitton Green Ceramic Monterey II (New Arrival)

$8,800 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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