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Rolex - Rolex Yellow Gold Yacht-Master II Watch Ref. 116688 - The Keystone Watches

Rolex Yellow Gold Yacht-Master II Watch Ref. 116688

Rolex Yellow Gold Yacht-Master II Watch Ref. 116688

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Patek Philippe - Patek Philippe White Gold Nautilus Moonphase Watch Ref. 5712 - The Keystone Watches

Patek Philippe White Gold Nautilus Moonphase Watch Ref. 5712

Patek Philippe White Gold Nautilus Moonphase Watch Ref. 5712

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Rolex - Rolex Platinum Day-Date Masterpiece Diamond Watch Ref. 18946 - The Keystone Watches

Rolex Platinum Day-Date Masterpiece Diamond Watch Ref. 18946

Rolex Platinum Day-Date Masterpiece Diamond Watch Ref. 18946

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Rolex - Rolex Datejust Sodalite Diamond Watch Ref. 16234, with Original Paper - The Keystone Watches

Rolex Datejust Sodalite Diamond Watch Ref. 16234, with Original Paper

Rolex Datejust Sodalite Diamond Watch Ref. 16234, with Original Paper

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Rolex - Rolex Two-Tone Submariner, Ref. 16613 with Original Paper - The Keystone Watches

Rolex Two-Tone Submariner, Ref. 16613 with Original Paper

Rolex Two-Tone Submariner, Ref. 16613 with Original Paper

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Vacheron Constantin - Vacheron Constantin Rose Gold Overseas Dual Time Power Reserve Watch Ref. 47450 - The Keystone Watches

Vacheron Constantin Rose Gold Overseas Dual Time Power Reserve Watch Ref. 47450

Vacheron Constantin Rose Gold Overseas Dual Time Power Reserve Watch Ref. 47450

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Rolex - Rolex White Gold GMT-Master Ice Watch Ref. 116769 - The Keystone Watches

Rolex White Gold GMT-Master Ice Watch Ref. 116769

Rolex White Gold GMT-Master Ice Watch Ref. 116769

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 5039 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 5039

Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 5039

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Rolex - Rolex Yellow Gold Cosmograph Daytona Mother of Pearl Watch Ref. 116518 - The Keystone Watches

Rolex Yellow Gold Cosmograph Daytona Mother of Pearl Watch Ref. 116518

Rolex Yellow Gold Cosmograph Daytona Mother of Pearl Watch Ref. 116518

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Rolex - Rolex Platinum Day-Date Masterpiece Baguette Diamond Watch Ref. 18946 - The Keystone Watches

Rolex Platinum Day-Date Masterpiece Baguette Diamond Watch Ref. 18946

Rolex Platinum Day-Date Masterpiece Baguette Diamond Watch Ref. 18946

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Rolex - Rolex Yellow Gold Day-Date Oysterquartz Diamond Watch Ref. 19058, Delivered to Saudi Arabian Oil Co. - The Keystone Watches

Rolex Yellow Gold Day-Date Oysterquartz Diamond Watch Ref. 19058, Delivered to Saudi Arabian Oil Co.

Rolex Yellow Gold Day-Date Oysterquartz Diamond Watch Ref. 19058, Delivered to Saudi Arabian Oil Co.

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Rolex - Rolex GMT-Master II Ceramic Pepsi Watch Ref. 126710 - The Keystone Watches

Rolex GMT-Master II Ceramic Pepsi Watch Ref. 126710

Rolex GMT-Master II Ceramic Pepsi Watch Ref. 126710

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Rolex - Rolex White Gold Cosmograph Daytona Watch Ref. 116519 - The Keystone Watches

Rolex White Gold Cosmograph Daytona Watch Ref. 116519

Rolex White Gold Cosmograph Daytona Watch Ref. 116519

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Patek Philippe - Patek Philippe Yellow Gold Jumbo Aquanaut Watch Ref. 5065 - The Keystone Watches

Patek Philippe Yellow Gold Jumbo Aquanaut Watch Ref. 5065

Patek Philippe Yellow Gold Jumbo Aquanaut Watch Ref. 5065

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Rolex - Rolex Two-Tone Datejust Watch Ref. 16013, Retailed by Van Cleef & Arpels - The Keystone Watches

Rolex Two-Tone Datejust Watch Ref. 16013, Retailed by Van Cleef & Arpels

Rolex Two-Tone Datejust Watch Ref. 16013, Retailed by Van Cleef & Arpels

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Rolex - Rolex Cosmograph Daytona Watch Ref. 116520 with Original Box and Papers - The Keystone Watches

Rolex Cosmograph Daytona Watch Ref. 116520 with Original Box and Papers

Rolex Cosmograph Daytona Watch Ref. 116520 with Original Box and Papers

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Rolex - Rolex Submariner Watch Ref. 5513 from 1985 - The Keystone Watches

Rolex Submariner Watch Ref. 5513 from 1985

Rolex Submariner Watch Ref. 5513 from 1985

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Omega - Omega Speedmaster Chronograph Ed White Watch Ref. 105.003 - The Keystone Watches

Omega Speedmaster Chronograph Ed White Watch Ref. 105.003

Omega Speedmaster Chronograph Ed White Watch Ref. 105.003

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Cartier - Cartier White Gold Rotonde Astrotourbillon Watch Ref. W1556204 - The Keystone Watches

Cartier White Gold Rotonde Astrotourbillon Watch Ref. W1556204

Cartier White Gold Rotonde Astrotourbillon Watch Ref. W1556204

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Rolex - Rolex Cosmograph Daytona Big Red Watch, Ref. 6263 - The Keystone Watches

Rolex Cosmograph Daytona Big Red Watch, Ref. 6263

Rolex Cosmograph Daytona Big Red Watch, Ref. 6263

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Rolex - Rolex Cosmograph Floating Daytona Zenith Watch Ref. 16520 - The Keystone Watches

Rolex Cosmograph Floating Daytona Zenith Watch Ref. 16520

Rolex Cosmograph Floating Daytona Zenith Watch Ref. 16520

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 2499 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 2499

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 2499

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Rolex - Rolex Yellow Gold Day-Date Pave Diamond Watch Ref. 118348 - The Keystone Watches

Rolex Yellow Gold Day-Date Pave Diamond Watch Ref. 118348

Rolex Yellow Gold Day-Date Pave Diamond Watch Ref. 118348

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Rolex - Rolex Oyster Cosmograph Daytona Paul Newman Watch Ref. 6265 - The Keystone Watches

Rolex Oyster Cosmograph Daytona Paul Newman Watch Ref. 6265

Rolex Oyster Cosmograph Daytona Paul Newman Watch Ref. 6265

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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 Steel Watch Ref. 3579 - The Keystone Watches

Patek Philippe Steel Watch Ref. 3579

Patek Philippe Steel Watch Ref. 3579

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Cartier - Cartier Rose Gold Tank a Guichet Watch, Limited Edition of 3 - The Keystone Watches

Cartier Rose Gold Tank a Guichet Watch, Limited Edition of 3

Cartier Rose Gold Tank a Guichet Watch, Limited Edition of 3

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Rolex - Rolex Seadweller Watch Ref. 16660 - The Keystone Watches

Rolex Seadweller Watch Ref. 16660

Rolex Seadweller Watch Ref. 16660

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Rolex - Rolex Yellow Gold Cosmograph Daytona Zenith Diamond Watch Ref. 16528, with Original Papers - The Keystone Watches

Rolex Yellow Gold Cosmograph Daytona Zenith Diamond Watch Ref. 16528, with Original Papers

Rolex Yellow Gold Cosmograph Daytona Zenith Diamond Watch Ref. 16528, with Original Papers

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Rolex - Rolex Cosmograph Daytona Zenith Watch Ref. 16520 with Original Warranty Paper - The Keystone Watches

Rolex Cosmograph Daytona Zenith Watch Ref. 16520 with Original Warranty Paper

Rolex Cosmograph Daytona Zenith Watch Ref. 16520 with Original Warranty Paper

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Audemars Piguet - Audemars Piguet White Gold Tonneau Automatic Watch - The Keystone Watches

Audemars Piguet White Gold Tonneau Automatic Watch

Audemars Piguet White Gold Tonneau Automatic Watch

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Patek Philippe - Patek Philippe White Gold Annual Calendar Watch Ref. 5146 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Watch Ref. 5146

Patek Philippe White Gold Annual Calendar Watch Ref. 5146

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Rolex - Rolex Explorer II Watch Ref. 1655, An Award Watch from a Famous Hong Kong Politician - The Keystone Watches

Rolex Explorer II Watch Ref. 1655, An Award Watch from a Famous Hong Kong Politician

Rolex Explorer II Watch Ref. 1655, An Award Watch from a Famous Hong Kong Politician

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Rolex - Rolex Submariner Watch Ref. 5513, from 1984 - The Keystone Watches

Rolex Submariner Watch Ref. 5513, from 1984

Rolex Submariner Watch Ref. 5513, from 1984

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Ultra-Thin Watch Ref. 15202 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Ultra-Thin Watch Ref. 15202

Audemars Piguet Rose Gold Royal Oak Ultra-Thin Watch Ref. 15202

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Patek Philippe - Patek Philippe Nautilus Moonphase Calendar Ref. 5726, Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Nautilus Moonphase Calendar Ref. 5726, Retailed by Tiffany & Co.

Patek Philippe Nautilus Moonphase Calendar Ref. 5726, Retailed by Tiffany & Co.

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New Arrivals Preview
 
A. Lange & Sohne White Gold Lange 1 Ref. 101.039 (New Arrival)

A. Lange & Sohne White Gold Lange 1 Ref. 101.039 (New Arrival)

A. Lange & Sohne White Gold Lange 1 Ref. 101.039 (New Arrival)

$29,000 USD
 

Patek Philippe White Gold Golden Ellipse Watch Ref. 3644 on Chain JPE Band (New Arrival)

Patek Philippe White Gold Golden Ellipse Watch Ref. 3644 on Chain JPE Band (New Arrival)

$11,500 USD
 
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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