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Patek Philippe - Patek Philippe White Gold Perpetual Hand-Engraved Watch Ref. 5160 - The Keystone Watches

Patek Philippe White Gold Perpetual Hand-Engraved Watch Ref. 5160

Patek Philippe White Gold Perpetual Hand-Engraved Watch Ref. 5160

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013

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Omega - Omega Speedmaster Automatic Chronograph Watch Ref. 3510.82 - The Keystone Watches

Omega Speedmaster Automatic Chronograph Watch Ref. 3510.82

Omega Speedmaster Automatic Chronograph Watch Ref. 3510.82

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Cartier - Cartier Platinum Tank Mechanical Watch - The Keystone Watches

Cartier Platinum Tank Mechanical Watch

Cartier Platinum Tank Mechanical Watch

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

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

Patek Philippe White Gold World Time Watch Ref. 5130

Patek Philippe White Gold World Time Watch Ref. 5130

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Rolex - Rolex Yellow Gold Cosmograph Daytona R-Serial Watch Ref. 6265 - The Keystone Watches

Rolex Yellow Gold Cosmograph Daytona R-Serial Watch Ref. 6265

Rolex Yellow Gold Cosmograph Daytona R-Serial Watch Ref. 6265

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Rolex - Rolex White Gold Day-Date Watch Ref. 1803 - The Keystone Watches

Rolex White Gold Day-Date Watch Ref. 1803

Rolex White Gold Day-Date Watch Ref. 1803

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Audemars Piguet - Audemars Piguet Yellow Gold Day-Date Watch - The Keystone Watches

Audemars Piguet Yellow Gold Day-Date Watch

Audemars Piguet Yellow Gold Day-Date Watch

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Vacheron Constantin - Vacheron Constantin White Gold Royal Chronometer Automatic Watch - The Keystone Watches

Vacheron Constantin White Gold Royal Chronometer Automatic Watch

Vacheron Constantin White Gold Royal Chronometer Automatic Watch

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Rolex - Rolex Explorer II Watch Ref. 16570, Retailed by Tiffany & Co. - The Keystone Watches

Rolex Explorer II Watch Ref. 16570, Retailed by Tiffany & Co.

Rolex Explorer II Watch Ref. 16570, Retailed by Tiffany & Co.

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Cartier - Cartier Platinum Baignoire Watch, 1960 - The Keystone Watches

Cartier Platinum Baignoire Watch, 1960

Cartier Platinum Baignoire Watch, 1960

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A. Lange & Sohne - A. Lange & Sohne Platinum Datograph Baguette Diamond Up Down Watch Ref. 405.835 - The Keystone Watches

A. Lange & Sohne Platinum Datograph Baguette Diamond Up Down Watch Ref. 405.835

A. Lange & Sohne Platinum Datograph Baguette Diamond Up Down Watch Ref. 405.835

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Vacheron Constantin - Vacheron Constantin Cioccolatone Yellow Gold Watch Ref. 4737 with Archive Paper - The Keystone Watches

Vacheron Constantin Cioccolatone Yellow Gold Watch Ref. 4737 with Archive Paper

Vacheron Constantin Cioccolatone Yellow Gold Watch Ref. 4737 with Archive Paper

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A. Lange & Sohne - A. Lange & Sohne White Gold Pour Le Merite Watch Ref. 260.028 - The Keystone Watches

A. Lange & Sohne White Gold Pour Le Merite Watch Ref. 260.028

A. Lange & Sohne White Gold Pour Le Merite Watch Ref. 260.028

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5074, Unworn Condition - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5074, Unworn Condition

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5074, Unworn Condition

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Audemars Piguet - Audemars Piguet Royal Oak Offshore Chronograph Watch Ref. 26480 - The Keystone Watches

Audemars Piguet Royal Oak Offshore Chronograph Watch Ref. 26480

Audemars Piguet Royal Oak Offshore Chronograph Watch Ref. 26480

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Vacheron Constantin - Vacheron Constantin White Gold Mechanical Watch in Original Box - The Keystone Watches

Vacheron Constantin White Gold Mechanical Watch in Original Box

Vacheron Constantin White Gold Mechanical Watch in Original Box

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Patek Philippe - Patek Philippe White Gold Nautilus Baguette Diamond Watch Ref. 5990, Special Edition - The Keystone Watches

Patek Philippe White Gold Nautilus Baguette Diamond Watch Ref. 5990, Special Edition

Patek Philippe White Gold Nautilus Baguette Diamond Watch Ref. 5990, Special Edition

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Patek Philippe - Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074, Complete and Unworn - The Keystone Watches

Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074, Complete and Unworn

Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074, Complete and Unworn

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Patek Philippe - Patek Philippe White Gold Skeletonized Ultra-Thin Watch Ref. 5180/1G - The Keystone Watches

Patek Philippe White Gold Skeletonized Ultra-Thin Watch Ref. 5180/1G

Patek Philippe White Gold Skeletonized Ultra-Thin Watch Ref. 5180/1G

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Audemars Piguet - Audemars Piguet Royal Oak Brown Dial Watch, Ref. 56175 - The Keystone Watches

Audemars Piguet Royal Oak Brown Dial Watch, Ref. 56175

Audemars Piguet Royal Oak Brown Dial Watch, Ref. 56175

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Automatic Watch - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Automatic Watch

Audemars Piguet Yellow Gold Royal Oak Automatic Watch

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Audemars Piguet - Audemars Piguet Yellow Gold Skeleton Watch - The Keystone Watches

Audemars Piguet Yellow Gold Skeleton Watch

Audemars Piguet Yellow Gold Skeleton Watch

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Patek Philippe - Patek Philippe White Gold Nautilus Diamond Emerald Watch Ref. 3800 - The Keystone Watches

Patek Philippe White Gold Nautilus Diamond Emerald Watch Ref. 3800

Patek Philippe White Gold Nautilus Diamond Emerald Watch Ref. 3800

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Cartier - Cartier White Gold Baignoire Red Numbers Watch - The Keystone Watches

Cartier White Gold Baignoire Red Numbers Watch

Cartier White Gold Baignoire Red Numbers Watch

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IWC - IWC Platinum Calibre 853 Mechanical Wind Watch - The Keystone Watches

IWC Platinum Calibre 853 Mechanical Wind Watch

IWC Platinum Calibre 853 Mechanical Wind Watch

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Vacheron Constantin - Vacheron Constantin Yellow Gold Mechanical Wind Watch, 1950s - The Keystone Watches

Vacheron Constantin Yellow Gold Mechanical Wind Watch, 1950s

Vacheron Constantin Yellow Gold Mechanical Wind Watch, 1950s

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Cartier - Cartier Rose Gold Tank Americaine Watch with Original Box and Papers - The Keystone Watches

Cartier Rose Gold Tank Americaine Watch with Original Box and Papers

Cartier Rose Gold Tank Americaine Watch with Original Box and Papers

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Jaeger LeCoultre - Jaeger LeCoultre Grande Reverso Ultra-Thin Tribute to 1931 Watch, with Original Box and Papers - The Keystone Watches

Jaeger LeCoultre Grande Reverso Ultra-Thin Tribute to 1931 Watch, with Original Box and Papers

Jaeger LeCoultre Grande Reverso Ultra-Thin Tribute to 1931 Watch, with Original Box and Papers

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FP Journe - F.P Journe Platinum Octa Automatique Diamond Watch - The Keystone Watches

F.P Journe Platinum Octa Automatique Diamond Watch

F.P Journe Platinum Octa Automatique Diamond Watch

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Cartier - Cartier Yellow Gold Carree Obus Skeleton Watch, Limited to 100 - The Keystone Watches

Cartier Yellow Gold Carree Obus Skeleton Watch, Limited to 100

Cartier Yellow Gold Carree Obus Skeleton Watch, Limited to 100

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Rolex - Rolex Yellow Gold Cosmograph Floating Daytona Watch Ref. 16528 - The Keystone Watches

Rolex Yellow Gold Cosmograph Floating Daytona Watch Ref. 16528

Rolex Yellow Gold Cosmograph Floating Daytona Watch Ref. 16528

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Patek Philippe - Patek Philippe White Gold Nautilus Diamond Watch Ref. 5719 - The Keystone Watches

Patek Philippe White Gold Nautilus Diamond Watch Ref. 5719

Patek Philippe White Gold Nautilus Diamond Watch Ref. 5719

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Patek Philippe - Patek Philippe White Gold World Time Ref. 5130, with Original Box and Papers - The Keystone Watches

Patek Philippe White Gold World Time Ref. 5130, with Original Box and Papers

Patek Philippe White Gold World Time Ref. 5130, with Original Box and Papers

Sold Out

 
Patek Philippe - Patek Philippe Platinum Minute Repeater Watch Ref. 5033 - The Keystone Watches

Patek Philippe Platinum Minute Repeater Watch Ref. 5033

Patek Philippe Platinum Minute Repeater Watch Ref. 5033

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New Arrivals Preview
 
Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

$150,000 USD
 
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
 
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
 
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
 
Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

$15,000 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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