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Patek Philippe - Patek Philippe Platinum Nautilus with Baguette Ruby Bezel Ref. 5711 - The Keystone Watches

Patek Philippe Platinum Nautilus with Baguette Ruby Bezel Ref. 5711

Patek Philippe Platinum Nautilus with Baguette Ruby Bezel Ref. 5711

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Audemars Piguet - Audemars Piguet White Gold Royal Oak Ref. 15503 Limited Edition for Japan - The Keystone Watches

Audemars Piguet White Gold Royal Oak Ref. 15503 Limited Edition for Japan

Audemars Piguet White Gold Royal Oak Ref. 15503 Limited Edition for Japan

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Patek Philippe - Patek Philippe Yellow Gold Pocket Watch with Original Paperwork - The Keystone Watches

Patek Philippe Yellow Gold Pocket Watch with Original Paperwork

Patek Philippe Yellow Gold Pocket Watch with Original Paperwork

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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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Rolex - Rolex White Gold Day-Date Ref. 118209 - The Keystone Watches

Rolex White Gold Day-Date Ref. 118209

Rolex White Gold Day-Date Ref. 118209

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Patek Philippe - Patek Philippe Nautilus Ref. 5711/1A-018, Tiffany and Co. - The Keystone Watches

Patek Philippe Nautilus Ref. 5711/1A-018, Tiffany and Co.

Patek Philippe Nautilus Ref. 5711/1A-018, Tiffany and Co.

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Audemars Piguet - Audemars Piguet Yellow Gold Cobra with Ruby Dial - The Keystone Watches

Audemars Piguet Yellow Gold Cobra with Ruby Dial

Audemars Piguet Yellow Gold Cobra with Ruby Dial

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Rolex - Rolex Yellow Gold Zenith Daytona Ref. 16528 with Porcelain Dial - The Keystone Watches

Rolex Yellow Gold Zenith Daytona Ref. 16528 with Porcelain Dial

Rolex Yellow Gold Zenith Daytona Ref. 16528 with Porcelain Dial

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Patek Philippe Platinum Minute Repeater Perpetual Calendar Watch Ref. 5216

Patek Philippe Platinum Minute Repeater Perpetual Calendar Watch Ref. 5216

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Patek Philippe - Patek Philippe Platinum Grand Complications Minute Repeater Watch Ref. 5207 - The Keystone Watches

Patek Philippe Platinum Grand Complications Minute Repeater Watch Ref. 5207

Patek Philippe Platinum Grand Complications Minute Repeater Watch Ref. 5207

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Rolex - Rolex Platinum Day-Date Ref. 218206 - The Keystone Watches

Rolex Platinum Day-Date Ref. 218206

Rolex Platinum Day-Date Ref. 218206

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Patek Philippe - Patek Philippe White Gold Pilot Watch Ref. 5524 - The Keystone Watches

Patek Philippe White Gold Pilot Watch Ref. 5524

Patek Philippe White Gold Pilot Watch Ref. 5524

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Patek Philippe - Patek Philippe Platinum World Time Watch Ref. 5110 - The Keystone Watches

Patek Philippe Platinum World Time Watch Ref. 5110

Patek Philippe Platinum World Time Watch Ref. 5110

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Patek Philippe - Patek Philippe White Gold World Time Chronograph Ref. 5930G - The Keystone Watches

Patek Philippe White Gold World Time Chronograph Ref. 5930G

Patek Philippe White Gold World Time Chronograph Ref. 5930G

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Cartier - Cartier Rose Gold Tortue Collection Privee Cartier Paris Ref. 2689 - The Keystone Watches

Cartier Rose Gold Tortue Collection Privee Cartier Paris Ref. 2689

Cartier Rose Gold Tortue Collection Privee Cartier Paris Ref. 2689

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Breguet - Breguet Yellow Gold Classique Complications Tourbillon Watch Ref. 3357 - The Keystone Watches

Breguet Yellow Gold Classique Complications Tourbillon Watch Ref. 3357

Breguet Yellow Gold Classique Complications Tourbillon Watch Ref. 3357

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Audemars Piguet - Audemars Piguet Steel Skeletonized Royal Oak Ref. 15305ST - The Keystone Watches

Audemars Piguet Steel Skeletonized Royal Oak Ref. 15305ST

Audemars Piguet Steel Skeletonized Royal Oak Ref. 15305ST

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Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5070 - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5070

Patek Philippe Platinum Chronograph Watch Ref. 5070

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

Audemars Piguet Yellow Gold Equine Skeleton Watch

Audemars Piguet Yellow Gold Equine Skeleton Watch

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Cartier - Cartier Rose Gold Tank Americaine with Original Brown Diamonds Ref. 2482 - The Keystone Watches

Cartier Rose Gold Tank Americaine with Original Brown Diamonds Ref. 2482

Cartier Rose Gold Tank Americaine with Original Brown Diamonds Ref. 2482

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Audemars Piguet - Audemars Piguet Steel Royal Oak Offshore Ref. 25721 with Tropical Gold Dial - The Keystone Watches

Audemars Piguet Steel Royal Oak Offshore Ref. 25721 with Tropical Gold Dial

Audemars Piguet Steel Royal Oak Offshore Ref. 25721 with Tropical Gold Dial

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Audemars Piguet - Audemars Piguet Steel Royal Oak Quantieme Perpetual Ref. 26574 - The Keystone Watches

Audemars Piguet Steel Royal Oak Quantieme Perpetual Ref. 26574

Audemars Piguet Steel Royal Oak Quantieme Perpetual Ref. 26574

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Patek Philippe - Patek Philippe Yellow Gold Golden Circle Ref. 3604 - The Keystone Watches

Patek Philippe Yellow Gold Golden Circle Ref. 3604

Patek Philippe Yellow Gold Golden Circle Ref. 3604

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Patek Philippe - Patek Philippe Yellow Gold World Time Watch Ref. 5110 - The Keystone Watches

Patek Philippe Yellow Gold World Time Watch Ref. 5110

Patek Philippe Yellow Gold World Time Watch Ref. 5110

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Rolex - Rolex Yellow Gold Day-Date Watch Ref. 18238 with Mother of Pearl and Ruby Dial - The Keystone Watches

Rolex Yellow Gold Day-Date Watch Ref. 18238 with Mother of Pearl and Ruby Dial

Rolex Yellow Gold Day-Date Watch Ref. 18238 with Mother of Pearl and Ruby Dial

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Patek Philippe - Patek Philippe Yellow Gold Watch Ref. 3854 - The Keystone Watches

Patek Philippe Yellow Gold Watch Ref. 3854

Patek Philippe Yellow Gold Watch Ref. 3854

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Audemars Piguet - Audemars Piguet White Ceramic Royal Oak Quantieme Perpetual Ref. 26579 - The Keystone Watches

Audemars Piguet White Ceramic Royal Oak Quantieme Perpetual Ref. 26579

Audemars Piguet White Ceramic Royal Oak Quantieme Perpetual Ref. 26579

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Rolex - Rolex Steel Submariner Ref. 5513 - The Keystone Watches

Rolex Steel Submariner Ref. 5513

Rolex Steel Submariner Ref. 5513

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Audemars Piguet - Audemars Piguet Yellow Gold Watch Ref. 14677 with Skeletonized Le Mans Ferrari Dial - The Keystone Watches

Audemars Piguet Yellow Gold Watch Ref. 14677 with Skeletonized Le Mans Ferrari Dial

Audemars Piguet Yellow Gold Watch Ref. 14677 with Skeletonized Le Mans Ferrari Dial

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5905R - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5905R

Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5905R

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Rolex - Rolex Yellow Gold Day-Date Rainbow Watch Ref. 128238 - The Keystone Watches

Rolex Yellow Gold Day-Date Rainbow Watch Ref. 128238

Rolex Yellow Gold Day-Date Rainbow Watch Ref. 128238

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Power Reserve Ref. 26120 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Power Reserve Ref. 26120

Audemars Piguet Rose Gold Royal Oak Power Reserve Ref. 26120

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Patek Philippe - Patek Philippe White Gold Watch Ref. 3729 with Onyx Dial - The Keystone Watches

Patek Philippe White Gold Watch Ref. 3729 with Onyx Dial

Patek Philippe White Gold Watch Ref. 3729 with Onyx Dial

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Audemars Piguet - Audemars Piguet White Gold Automatic Watch Ref. 5205 - The Keystone Watches

Audemars Piguet White Gold Automatic Watch Ref. 5205

Audemars Piguet White Gold Automatic Watch Ref. 5205

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Cartier - Cartier Yellow Gold Tank Louis - The Keystone Watches

Cartier Yellow Gold Tank Louis

Cartier Yellow Gold Tank Louis

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

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 5140

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 5140

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New Arrivals Preview
 
Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

$23,750 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL) - The Keystone Watches

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

$155,000 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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