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Rolex - Rolex Steel Submariner Ref. 1680 in Fantastic Original Condition - The Keystone Watches

Rolex Steel Submariner Ref. 1680 in Fantastic Original Condition

Rolex Steel Submariner Ref. 1680 in Fantastic Original Condition

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Rolex - Rolex Steel Explorer Ref. 1016 - The Keystone Watches

Rolex Steel Explorer Ref. 1016

Rolex Steel Explorer Ref. 1016

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Ref. 3800 with Box and Papers - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Ref. 3800 with Box and Papers

Patek Philippe Yellow Gold Nautilus Ref. 3800 with Box and Papers

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Patek Philippe - Patek Philippe Rose Gold Nautilus Watch Ref. 5723 with Factory Ruby Dial and Bezel - The Keystone Watches

Patek Philippe Rose Gold Nautilus Watch Ref. 5723 with Factory Ruby Dial and Bezel

Patek Philippe Rose Gold Nautilus Watch Ref. 5723 with Factory Ruby Dial and Bezel

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Rolex - Rolex Platinum Day-Date Diamond Watch Ref. 228396 - The Keystone Watches

Rolex Platinum Day-Date Diamond Watch Ref. 228396

Rolex Platinum Day-Date Diamond Watch Ref. 228396

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Rolex - Rolex White Gold Day-Date Ref. 18239 with Salmon Dial - The Keystone Watches

Rolex White Gold Day-Date Ref. 18239 with Salmon Dial

Rolex White Gold Day-Date Ref. 18239 with Salmon Dial

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Rolex - Rolex White Gold Daytona Ref. 116509 with Pave Diamond Arabic Numeral Dial - The Keystone Watches

Rolex White Gold Daytona Ref. 116509 with Pave Diamond Arabic Numeral Dial

Rolex White Gold Daytona Ref. 116509 with Pave Diamond Arabic Numeral Dial

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Rolex - Rolex Yellow Gold Datejust Watch Ref. 16018 with Onyx Dial - The Keystone Watches

Rolex Yellow Gold Datejust Watch Ref. 16018 with Onyx Dial

Rolex Yellow Gold Datejust Watch Ref. 16018 with Onyx Dial

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Perpetual Calendar Watch Ref. 25654 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Perpetual Calendar Watch Ref. 25654

Audemars Piguet Yellow Gold Royal Oak Perpetual Calendar Watch Ref. 25654

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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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Audemars Piguet - Audemars Piguet Steel Royal Oak Perpetual Calendar Skeleton Watch Ref. 25829 - The Keystone Watches

Audemars Piguet Steel Royal Oak Perpetual Calendar Skeleton Watch Ref. 25829

Audemars Piguet Steel Royal Oak Perpetual Calendar Skeleton Watch Ref. 25829

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Audemars Piguet - Audemars Piguet Ceramic Royal Oak Perpetual Calendar Watch Ref. 26579 - The Keystone Watches

Audemars Piguet Ceramic Royal Oak Perpetual Calendar Watch Ref. 26579

Audemars Piguet Ceramic Royal Oak Perpetual Calendar Watch Ref. 26579

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Audemars Piguet - Audemars Piguet Yellow Gold Calendar Moonphase Watch Ref. 25594 - The Keystone Watches

Audemars Piguet Yellow Gold Calendar Moonphase Watch Ref. 25594

Audemars Piguet Yellow Gold Calendar Moonphase Watch Ref. 25594

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Ref. 15202 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Ref. 15202

Audemars Piguet Yellow Gold Royal Oak Ref. 15202

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Rolex - Rolex Rose Gold Cosmograph Rainbow Daytona Ref. 116595 - The Keystone Watches

Rolex Rose Gold Cosmograph Rainbow Daytona Ref. 116595

Rolex Rose Gold Cosmograph Rainbow Daytona Ref. 116595

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Audemars Piguet - Audemars Piguet Platinum Royal Oak Tourbillon Watch Ref. 26535PT with Baguette Diamonds - The Keystone Watches

Audemars Piguet Platinum Royal Oak Tourbillon Watch Ref. 26535PT with Baguette Diamonds

Audemars Piguet Platinum Royal Oak Tourbillon Watch Ref. 26535PT with Baguette Diamonds

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Audemars Piguet - Audemars Piguet Steel Royal Oak Ref. 14790 with Tropical Dial - The Keystone Watches

Audemars Piguet Steel Royal Oak Ref. 14790 with Tropical Dial

Audemars Piguet Steel Royal Oak Ref. 14790 with Tropical Dial

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Diamond Emerald Watch Ref. 3800/5 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Diamond Emerald Watch Ref. 3800/5

Patek Philippe Yellow Gold Nautilus Diamond Emerald Watch Ref. 3800/5

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Audemars Piguet - Audemars Piguet Platinum Royal Oak with Mother of Pearl and Diamond Dial - The Keystone Watches

Audemars Piguet Platinum Royal Oak with Mother of Pearl and Diamond Dial

Audemars Piguet Platinum Royal Oak with Mother of Pearl and Diamond Dial

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Audemars Piguet - Audemars Piguet Yellow Gold Offshore Royal Oak Chronograph Ref. 26067 - The Keystone Watches

Audemars Piguet Yellow Gold Offshore Royal Oak Chronograph Ref. 26067

Audemars Piguet Yellow Gold Offshore Royal Oak Chronograph Ref. 26067

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Audemars Piguet - Audemars Piguet Frosted Yellow Gold Carolina Bucci Royal Oak Ref. 15454 - The Keystone Watches

Audemars Piguet Frosted Yellow Gold Carolina Bucci Royal Oak Ref. 15454

Audemars Piguet Frosted Yellow Gold Carolina Bucci Royal Oak Ref. 15454

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Audemars Piguet - Audemars Piguet Titanium Royal Oak Quantieme Perpetual Ref. 26615 with Salmon Dial - The Keystone Watches

Audemars Piguet Titanium Royal Oak Quantieme Perpetual Ref. 26615 with Salmon Dial

Audemars Piguet Titanium Royal Oak Quantieme Perpetual Ref. 26615 with Salmon Dial

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Rolex - Rolex Platinum Ice-Blue Day-Date Ref. 228396 with Baguette Diamonds - The Keystone Watches

Rolex Platinum Ice-Blue Day-Date Ref. 228396 with Baguette Diamonds

Rolex Platinum Ice-Blue Day-Date Ref. 228396 with Baguette Diamonds

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Rolex - Rolex Yellow Gold Submariner Ref. 16618 - The Keystone Watches

Rolex Yellow Gold Submariner Ref. 16618

Rolex Yellow Gold Submariner Ref. 16618

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Audemars Piguet - Audemars Piguet Royal Oak Tourbillon Japan Edition Watch Ref. 26512 - The Keystone Watches

Audemars Piguet Royal Oak Tourbillon Japan Edition Watch Ref. 26512

Audemars Piguet Royal Oak Tourbillon Japan Edition Watch Ref. 26512

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Rolex - Rolex Yellow Gold Datejust Ref. 16238 with Black Onyx Dial - The Keystone Watches

Rolex Yellow Gold Datejust Ref. 16238 with Black Onyx Dial

Rolex Yellow Gold Datejust Ref. 16238 with Black Onyx Dial

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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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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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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 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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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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Rolex - Rolex Steel Zenith Daytona Ref. 16520 with Original Caseback Sticker - The Keystone Watches

Rolex Steel Zenith Daytona Ref. 16520 with Original Caseback Sticker

Rolex Steel Zenith Daytona Ref. 16520 with Original Caseback Sticker

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Audemars Piguet - Audemars Piguet Ceramic Royal Oak Perpetual Watch Ref. 26579CE - The Keystone Watches

Audemars Piguet Ceramic Royal Oak Perpetual Watch Ref. 26579CE

Audemars Piguet Ceramic Royal Oak Perpetual Watch Ref. 26579CE

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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
 
Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

$14,500 USD
 
Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

$13,250 USD
 
Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

$16,500 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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