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Patek Philippe - Patek Philippe White Gold Annual Calendar Blue Watch Ref. 5205 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Blue Watch Ref. 5205

Patek Philippe White Gold Annual Calendar Blue Watch Ref. 5205

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Cartier - Cartier Platinum Tank Cintree Skeletonized Watch - The Keystone Watches

Cartier Platinum Tank Cintree Skeletonized Watch

Cartier Platinum Tank Cintree Skeletonized Watch

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A. Lange & Sohne - A. Lange & Sohne Rose Gold 1815 Tourbillon Watch Ref. 730.032 - The Keystone Watches

A. Lange & Sohne Rose Gold 1815 Tourbillon Watch Ref. 730.032

A. Lange & Sohne Rose Gold 1815 Tourbillon Watch Ref. 730.032

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A. Lange & Sohne - A Lange & Sohne 1815 Chronograph White Gold - The Keystone Watches

A Lange & Sohne 1815 Chronograph White Gold

A Lange & Sohne 1815 Chronograph White Gold

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Perpetual Watch Ref. 26574 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Perpetual Watch Ref. 26574

Audemars Piguet Rose Gold Royal Oak Perpetual Watch Ref. 26574

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Audemars Piguet - Audemars Piguet Platinum Royal Oak Tourbillon Baguette Diamond Watch - The Keystone Watches

Audemars Piguet Platinum Royal Oak Tourbillon Baguette Diamond Watch

Audemars Piguet Platinum Royal Oak Tourbillon Baguette Diamond Watch

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

Patek Philippe Rose Gold Nautilus Moonphase Watch Ref. 5712

Patek Philippe Rose Gold Nautilus Moonphase Watch Ref. 5712

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Rolex - Rolex Yellow Gold Cosmograph Daytona Green Watch Ref. 116508 - The Keystone Watches

Rolex Yellow Gold Cosmograph Daytona Green Watch Ref. 116508

Rolex Yellow Gold Cosmograph Daytona Green Watch Ref. 116508

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Rolex - Rolex White Gold Cosmograph Daytona Sodalite Diamond Watch Ref. 116509 - The Keystone Watches

Rolex White Gold Cosmograph Daytona Sodalite Diamond Watch Ref. 116509

Rolex White Gold Cosmograph Daytona Sodalite Diamond Watch Ref. 116509

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Jaeger LeCoultre - Jaeger Lecoultre Reverso Travel Time Tigers Eye Watch Ref. 215.8.D4 - The Keystone Watches

Jaeger Lecoultre Reverso Travel Time Tigers Eye Watch Ref. 215.8.D4

Jaeger Lecoultre Reverso Travel Time Tigers Eye Watch Ref. 215.8.D4

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Patek Philippe - Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960 - The Keystone Watches

Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960

Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960

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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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Patek Philippe - Patek Philippe White Gold Travel Time Watch Ref. 5110 with Original Box and Papers - The Keystone Watches

Patek Philippe White Gold Travel Time Watch Ref. 5110 with Original Box and Papers

Patek Philippe White Gold Travel Time Watch Ref. 5110 with Original Box and Papers

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Patek Philippe - Patek Philippe Nautilus Moonphase Watch Ref. 5726 in Double Sealed and Unworn Condition - The Keystone Watches

Patek Philippe Nautilus Moonphase Watch Ref. 5726 in Double Sealed and Unworn Condition

Patek Philippe Nautilus Moonphase Watch Ref. 5726 in Double Sealed and Unworn Condition

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Patek Philippe - Patek Philippe Platinum Chronograph 175th Anniversary Watch Ref. 5975 in Double Sealed Condition - The Keystone Watches

Patek Philippe Platinum Chronograph 175th Anniversary Watch Ref. 5975 in Double Sealed Condition

Patek Philippe Platinum Chronograph 175th Anniversary Watch Ref. 5975 in Double Sealed Condition

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Patek Philippe - Patek Philippe Platinum Monopusher Split Seconds Chrono Ref. 5959, Double Sealed and Unworn - The Keystone Watches

Patek Philippe Platinum Monopusher Split Seconds Chrono Ref. 5959, Double Sealed and Unworn

Patek Philippe Platinum Monopusher Split Seconds Chrono Ref. 5959, Double Sealed and Unworn

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Patek Philippe - Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204 in Double Sealed and Unworn Condition - The Keystone Watches

Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204 in Double Sealed and Unworn Condition

Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204 in Double Sealed and Unworn Condition

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A. Lange & Sohne - A. Lange & Sohne White Gold Saxonia Dual Time Watch Ref. 385.026 - The Keystone Watches

A. Lange & Sohne White Gold Saxonia Dual Time Watch Ref. 385.026

A. Lange & Sohne White Gold Saxonia Dual Time Watch Ref. 385.026

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Rolex - Rolex Submariner Green Ceramic Watch Ref. 116610LV with Original Box and Warranty Card - The Keystone Watches

Rolex Submariner Green Ceramic Watch Ref. 116610LV with Original Box and Warranty Card

Rolex Submariner Green Ceramic Watch Ref. 116610LV with Original Box and Warranty Card

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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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FP Journe - F.P. Journe Platinum Chronometre Souverain Watch - The Keystone Watches

F.P. Journe Platinum Chronometre Souverain Watch

F.P. Journe Platinum Chronometre Souverain Watch

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Rolex - Rolex Cosmograph Daytona Diamond & Sapphire Watch Ref. 116599 - The Keystone Watches

Rolex Cosmograph Daytona Diamond & Sapphire Watch Ref. 116599

Rolex Cosmograph Daytona Diamond & Sapphire Watch Ref. 116599

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chrono Baguette Diamond Watch Ref. 5971 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chrono Baguette Diamond Watch Ref. 5971

Patek Philippe Platinum Perpetual Calendar Chrono Baguette Diamond Watch Ref. 5971

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Chronograph Watch Ref. 5970 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe Rose Gold Perpetual Calendar Chronograph Watch Ref. 5970

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Patek Philippe - Patek Philippe White Gold Calatrava Automatic Watch Ref. 6006 - The Keystone Watches

Patek Philippe White Gold Calatrava Automatic Watch Ref. 6006

Patek Philippe White Gold Calatrava Automatic Watch Ref. 6006

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Vacheron Constantin - Vacheron Constantin White Gold Les Historiques 1912 Watch - The Keystone Watches

Vacheron Constantin White Gold Les Historiques 1912 Watch

Vacheron Constantin White Gold Les Historiques 1912 Watch

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Rolex - Rolex Yellow Gold GMT-Master II Watch Ref. 116748 - The Keystone Watches

Rolex Yellow Gold GMT-Master II Watch Ref. 116748

Rolex Yellow Gold GMT-Master II Watch Ref. 116748

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Rolex - Rolex Rose Gold Day-Date Everose Ferrite Diamond Watch Ref. 118235 - The Keystone Watches

Rolex Rose Gold Day-Date Everose Ferrite Diamond Watch Ref. 118235

Rolex Rose Gold Day-Date Everose Ferrite Diamond Watch Ref. 118235

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Patek Philippe - Patek Philippe Yellow Gold Celestial Ref. 5102 with Original Box and Papers - The Keystone Watches

Patek Philippe Yellow Gold Celestial Ref. 5102 with Original Box and Papers

Patek Philippe Yellow Gold Celestial Ref. 5102 with Original Box and Papers

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Patek Philippe - Patek Philippe Annual Calendar Chronograph Watch Ref. 5960, Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960, Retailed by Tiffany & Co.

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960, Retailed by Tiffany & Co.

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Patek Philippe - Patek Philippe White Gold Nautilus Perpetual Calendar Watch Ref. 5740 - The Keystone Watches

Patek Philippe White Gold Nautilus Perpetual Calendar Watch Ref. 5740

Patek Philippe White Gold Nautilus Perpetual Calendar Watch Ref. 5740

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Patek Philippe - Patek Philippe Nautilus Moonphase Calendar Ref. 5726 - The Keystone Watches

Patek Philippe Nautilus Moonphase Calendar Ref. 5726

Patek Philippe Nautilus Moonphase Calendar Ref. 5726

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Richard Mille - Richard Mille RM11 Felipe Massa Le Mans Classic Watch - The Keystone Watches

Richard Mille RM11 Felipe Massa Le Mans Classic Watch

Richard Mille RM11 Felipe Massa Le Mans Classic Watch

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chronograph Ref. 5970 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chronograph Ref. 5970

Patek Philippe Platinum Perpetual Calendar Chronograph Ref. 5970

Sold Out

 
Patek Philippe - Patek Philippe Platinum Split-Seconds Chronograph Watch Ref. 5370 - The Keystone Watches

Patek Philippe Platinum Split-Seconds Chronograph Watch Ref. 5370

Patek Philippe Platinum Split-Seconds Chronograph Watch Ref. 5370

Sold Out

 
Patek Philippe - Patek Philippe Platinum Enamel Dial Minute Repeater Watch Ref. 5078 - The Keystone Watches

Patek Philippe Platinum Enamel Dial Minute Repeater Watch Ref. 5078

Patek Philippe Platinum Enamel Dial Minute Repeater Watch Ref. 5078

Sold Out

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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
 
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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