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Rolex - Rolex Yellow Gold GMT-Master SARU Watch Ref. 116748 with Original Box and Warranty - The Keystone Watches

Rolex Yellow Gold GMT-Master SARU Watch Ref. 116748 with Original Box and Warranty

Rolex Yellow Gold GMT-Master SARU Watch Ref. 116748 with Original Box and Warranty

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Breguet - Breguet White Gold Chronograph Tourbillon Watch Ref. 3577 - The Keystone Watches

Breguet White Gold Chronograph Tourbillon Watch Ref. 3577

Breguet White Gold Chronograph Tourbillon Watch Ref. 3577

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A. Lange & Sohne - A. Lange & Sohne Rose Gold Lange 1 Tourbillon Watch Ref. 704.032 - The Keystone Watches

A. Lange & Sohne Rose Gold Lange 1 Tourbillon Watch Ref. 704.032

A. Lange & Sohne Rose Gold Lange 1 Tourbillon Watch Ref. 704.032

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

Rolex Platinum Ice Blue Day-Date Ref. 18206

Rolex Platinum Ice Blue Day-Date Ref. 18206

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Rolex - Rolex Yellow Gold Day-Date Ref. 18238 with Emerald String Dial - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 18238 with Emerald String Dial

Rolex Yellow Gold Day-Date Ref. 18238 with Emerald String Dial

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FP Journe - F.P. Journe Aluminum Octa Sport Watch - The Keystone Watches

F.P. Journe Aluminum Octa Sport Watch

F.P. Journe Aluminum Octa Sport Watch

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Rolex - Rolex Tridor Day-Date Ref. 18239 with Mother of Pearl and Baguette Diamond Dial - The Keystone Watches

Rolex Tridor Day-Date Ref. 18239 with Mother of Pearl and Baguette Diamond Dial

Rolex Tridor Day-Date Ref. 18239 with Mother of Pearl and Baguette Diamond Dial

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 3970 with Rare Brown, Breguet Numeral Dial - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 3970 with Rare Brown, Breguet Numeral Dial

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 3970 with Rare Brown, Breguet Numeral Dial

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Richard Mille - Richard Mille Automatic Winding Extra Flat RM67-02 Alexander Zverev Edition - The Keystone Watches

Richard Mille Automatic Winding Extra Flat RM67-02 Alexander Zverev Edition

Richard Mille Automatic Winding Extra Flat RM67-02 Alexander Zverev Edition

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 3759 with Original Diamond Bezel and Dial - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 3759 with Original Diamond Bezel and Dial

Patek Philippe White Gold Calatrava Watch Ref. 3759 with Original Diamond Bezel and Dial

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Cartier - Cartier Platinum Santos-Dumont Le Bresil Tank Ref. WGSA0034, Limited Edition of 100 Pieces - The Keystone Watches

Cartier Platinum Santos-Dumont Le Bresil Tank Ref. WGSA0034, Limited Edition of 100 Pieces

Cartier Platinum Santos-Dumont Le Bresil Tank Ref. WGSA0034, Limited Edition of 100 Pieces

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Patek Philippe - Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074

Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074

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Audemars Piguet - Audemars Piguet White Gold Perpetual Calendar Diamond Watch Ref. 25618 - The Keystone Watches

Audemars Piguet White Gold Perpetual Calendar Diamond Watch Ref. 25618

Audemars Piguet White Gold Perpetual Calendar Diamond Watch Ref. 25618

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Audemars Piguet - Audemars Piguet Platinum Star Wheel Engraved Dial Ref. 25720 - The Keystone Watches

Audemars Piguet Platinum Star Wheel Engraved Dial Ref. 25720

Audemars Piguet Platinum Star Wheel Engraved Dial Ref. 25720

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Richard Mille - Richard Mille Manual Winding Tourbillon RM17-01 - The Keystone Watches

Richard Mille Manual Winding Tourbillon RM17-01

Richard Mille Manual Winding Tourbillon RM17-01

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Patek Philippe - Patek Philippe Nautilus Moonphase Watch Ref. 5712 with Original Box and Papers - The Keystone Watches

Patek Philippe Nautilus Moonphase Watch Ref. 5712 with Original Box and Papers

Patek Philippe Nautilus Moonphase Watch Ref. 5712 with Original Box and Papers

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Tiffany & Co. Watch Ref. 5970 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Tiffany & Co. Watch Ref. 5970

Patek Philippe White Gold Perpetual Calendar Tiffany & Co. Watch Ref. 5970

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Patek Philippe - Patek Philippe Steel Dual Time Aquanaut Ref. 5164 - The Keystone Watches

Patek Philippe Steel Dual Time Aquanaut Ref. 5164

Patek Philippe Steel Dual Time Aquanaut Ref. 5164

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Rolex - Rolex Platinum Day-Date 40mm Ref. 228206 with Box and Warranty - The Keystone Watches

Rolex Platinum Day-Date 40mm Ref. 228206 with Box and Warranty

Rolex Platinum Day-Date 40mm Ref. 228206 with Box and Warranty

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Patek Philippe - Patek Philippe Steel Nautilus Ref. 5711 with Original Box and Warranty - The Keystone Watches

Patek Philippe Steel Nautilus Ref. 5711 with Original Box and Warranty

Patek Philippe Steel Nautilus Ref. 5711 with Original Box and Warranty

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Rolex - Rolex Yellow Gold Oysterquartz Rainbow Watch Ref. 19158 with Original Box and Papers - The Keystone Watches

Rolex Yellow Gold Oysterquartz Rainbow Watch Ref. 19158 with Original Box and Papers

Rolex Yellow Gold Oysterquartz Rainbow Watch Ref. 19158 with Original Box and Papers

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Daniel Roth - Daniel Roth White Gold Skeleton Chronograph Ref. 447.X.60 - The Keystone Watches

Daniel Roth White Gold Skeleton Chronograph Ref. 447.X.60

Daniel Roth White Gold Skeleton Chronograph Ref. 447.X.60

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New Arrivals Preview
 
Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

$125,000 USD
 
Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

$62,000 USD
 
Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

$55,000 USD
 
Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

$21,000 USD
 
Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

$175,000 USD
 
Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

$70,000 USD
 
Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

$48,000 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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