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Rolex - Rolex GMT-Master II Error Dial Watch Ref. 16710 - The Keystone Watches

Rolex GMT-Master II Error Dial Watch Ref. 16710

Rolex GMT-Master II Error Dial Watch Ref. 16710

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Rolex - Rolex Oyster Perpetual Black Gilt Dial Watch Ref. 1002 - The Keystone Watches

Rolex Oyster Perpetual Black Gilt Dial Watch Ref. 1002

Rolex Oyster Perpetual Black Gilt Dial Watch Ref. 1002

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 3796 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 3796

Patek Philippe Yellow Gold Calatrava Watch Ref. 3796

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Rolex - Rolex Yellow Gold Date Watch Ref. 1500 with Original Warranty Paper - The Keystone Watches

Rolex Yellow Gold Date Watch Ref. 1500 with Original Warranty Paper

Rolex Yellow Gold Date Watch Ref. 1500 with Original Warranty Paper

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Rolex - Rolex Yellow Gold Day-Date Diamond & Emerald Watch Ref. 18388 - The Keystone Watches

Rolex Yellow Gold Day-Date Diamond & Emerald Watch Ref. 18388

Rolex Yellow Gold Day-Date Diamond & Emerald Watch Ref. 18388

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Rolex - Rolex Yellow Gold Submariner Watch Ref 16618 with Original Tropical Purple Dial - The Keystone Watches

Rolex Yellow Gold Submariner Watch Ref 16618 with Original Tropical Purple Dial

Rolex Yellow Gold Submariner Watch Ref 16618 with Original Tropical Purple Dial

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Audemars Piguet - Audemars Piguet Yellow Gold Perpetual Calendar Watch - The Keystone Watches

Audemars Piguet Yellow Gold Perpetual Calendar Watch

Audemars Piguet Yellow Gold Perpetual Calendar Watch

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IWC - IWC Automatic Gay Freres Bracelet Watch with Original Papers - The Keystone Watches

IWC Automatic Gay Freres Bracelet Watch with Original Papers

IWC Automatic Gay Freres Bracelet Watch with Original Papers

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Rolex - Rolex Yellow Gold Day-Date Pave Diamond & Ruby Watch Ref. 18388 - The Keystone Watches

Rolex Yellow Gold Day-Date Pave Diamond & Ruby Watch Ref. 18388

Rolex Yellow Gold Day-Date Pave Diamond & Ruby Watch Ref. 18388

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Rolex - Rolex Submariner Flat IV Watch Ref. 16610 with Original Box and Papers - The Keystone Watches

Rolex Submariner Flat IV Watch Ref. 16610 with Original Box and Papers

Rolex Submariner Flat IV Watch Ref. 16610 with Original Box and Papers

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

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146

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Heuer - Heuer Bundeswehr Military Chronograph Watch Ref. 1550 - The Keystone Watches

Heuer Bundeswehr Military Chronograph Watch Ref. 1550

Heuer Bundeswehr Military Chronograph Watch Ref. 1550

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Patek Philippe - Patek Philippe Aquanaut Jumbo Watch Ref. 5065 with Original Box and Paper - The Keystone Watches

Patek Philippe Aquanaut Jumbo Watch Ref. 5065 with Original Box and Paper

Patek Philippe Aquanaut Jumbo Watch Ref. 5065 with Original Box and Paper

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Rolex - Rolex Yellow Gold GMT-Master Ref. 1675 - The Keystone Watches

Rolex Yellow Gold GMT-Master Ref. 1675

Rolex Yellow Gold GMT-Master Ref. 1675

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Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5170 - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5170

Patek Philippe Platinum Chronograph Watch Ref. 5170

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Rolex - Rolex Yellow Gold Submariner Watch Ref. 1680 - The Keystone Watches

Rolex Yellow Gold Submariner Watch Ref. 1680

Rolex Yellow Gold Submariner Watch Ref. 1680

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Rolex - Rolex Day-Date Yellow Gold with Pave Dial Ref. 18238 - The Keystone Watches

Rolex Day-Date Yellow Gold with Pave Dial Ref. 18238

Rolex Day-Date Yellow Gold with Pave Dial Ref. 18238

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Patek Philippe - Patek Philippe White Gold Perpetual Watch Ref. 5320 - The Keystone Watches

Patek Philippe White Gold Perpetual Watch Ref. 5320

Patek Philippe White Gold Perpetual Watch Ref. 5320

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Jaeger LeCoultre - Jaeger LeCoultre Rose Gold Reverso Day-Night Watch Ref. 270.2.54 - The Keystone Watches

Jaeger LeCoultre Rose Gold Reverso Day-Night Watch Ref. 270.2.54

Jaeger LeCoultre Rose Gold Reverso Day-Night Watch Ref. 270.2.54

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Patek Philippe - Patek Philippe Yellow Gold Aquanaut Watch Ref. 5066 - The Keystone Watches

Patek Philippe Yellow Gold Aquanaut Watch Ref. 5066

Patek Philippe Yellow Gold Aquanaut Watch Ref. 5066

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Audemars Piguet - Audemars Piguet White Gold Millenary Pianoforte Diamond Watch Ref. 15326 - The Keystone Watches

Audemars Piguet White Gold Millenary Pianoforte Diamond Watch Ref. 15326

Audemars Piguet White Gold Millenary Pianoforte Diamond Watch Ref. 15326

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Audemars Piguet - Audemars Piguet White Gold Oversized Skeleton Sapphire & Diamond Watch - The Keystone Watches

Audemars Piguet White Gold Oversized Skeleton Sapphire & Diamond Watch

Audemars Piguet White Gold Oversized Skeleton Sapphire & Diamond Watch

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Patek Philippe - Patek Philippe Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Nautilus Watch Ref. 3800

Patek Philippe Nautilus Watch Ref. 3800

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

Rolex Yellow Gold Daytona Zenith Watch Ref. 16528

Rolex Yellow Gold Daytona Zenith Watch Ref. 16528

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Omega - Omega Yellow Gold Speedmaster Watch, ref. 3551.20 - The Keystone Watches

Omega Yellow Gold Speedmaster Watch, ref. 3551.20

Omega Yellow Gold Speedmaster Watch, ref. 3551.20

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Patek Philippe - Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131 - The Keystone Watches

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

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Patek Philippe - Patek Philippe Neptune Power Reserve Moonphase Ref. 5085 - The Keystone Watches

Patek Philippe Neptune Power Reserve Moonphase Ref. 5085

Patek Philippe Neptune Power Reserve Moonphase Ref. 5085

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Patek Philippe - Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990 - The Keystone Watches

Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990

Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990

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Patek Philippe - Patek Philippe Rose Gold Split Seconds Perpetual Calendar Chrono Ref. 5204 in Unworn Condition - The Keystone Watches

Patek Philippe Rose Gold Split Seconds Perpetual Calendar Chrono Ref. 5204 in Unworn Condition

Patek Philippe Rose Gold Split Seconds Perpetual Calendar Chrono Ref. 5204 in Unworn Condition

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Audemars Piguet - Audemars Piguet Royal Oak Offshore Navy Watch Ref. 26170 - The Keystone Watches

Audemars Piguet Royal Oak Offshore Navy Watch Ref. 26170

Audemars Piguet Royal Oak Offshore Navy Watch Ref. 26170

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Patek Philippe - Patek Philippe Rose Gold Calatrava Ref. 5196 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Ref. 5196

Patek Philippe Rose Gold Calatrava Ref. 5196

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Audemars Piguet - Audemars Piguet White Gold Slim Strap Watch - The Keystone Watches

Audemars Piguet White Gold Slim Strap Watch

Audemars Piguet White Gold Slim Strap Watch

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Audemars Piguet - Audemars Piguet Steel Royal Oak Watch Ref. 15400 - The Keystone Watches

Audemars Piguet Steel Royal Oak Watch Ref. 15400

Audemars Piguet Steel Royal Oak Watch Ref. 15400

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Patek Philippe - Patek Philippe Yellow Gold Chronograph Ref. 5070 - The Keystone Watches

Patek Philippe Yellow Gold Chronograph Ref. 5070

Patek Philippe Yellow Gold Chronograph Ref. 5070

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Patek Philippe - Patek Philippe Aquanaut Rose Gold on Strap Ref. 5167R - The Keystone Watches

Patek Philippe Aquanaut Rose Gold on Strap Ref. 5167R

Patek Philippe Aquanaut Rose Gold on Strap Ref. 5167R

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Patek Philippe - Patek Philippe Yellow Gold Chronograph Watch, Ref. 5170 - The Keystone Watches

Patek Philippe Yellow Gold Chronograph Watch, Ref. 5170

Patek Philippe Yellow Gold Chronograph Watch, Ref. 5170

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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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