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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 Nautilus Jumbo Watch Ref. 5711 - The Keystone Watches

Patek Philippe Nautilus Jumbo Watch Ref. 5711

Patek Philippe Nautilus Jumbo Watch Ref. 5711

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Rolex - Rolex Yellow Gold GMT-Master II Sapphire Ruby Diamond Watch Ref. 116758 - The Keystone Watches

Rolex Yellow Gold GMT-Master II Sapphire Ruby Diamond Watch Ref. 116758

Rolex Yellow Gold GMT-Master II Sapphire Ruby Diamond Watch Ref. 116758

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A. Lange & Sohne - A. Lange & Sohne Platinum Langematik Perpetual Watch Ref. 310.225 - The Keystone Watches

A. Lange & Sohne Platinum Langematik Perpetual Watch Ref. 310.225

A. Lange & Sohne Platinum Langematik Perpetual Watch Ref. 310.225

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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 Rose Gold Nautilus Watch Ref. 5711 - The Keystone Watches

Patek Philippe Rose Gold Nautilus Watch Ref. 5711

Patek Philippe Rose Gold Nautilus Watch Ref. 5711

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 5040 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5040

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5040

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Patek Philippe - Patek Philippe Platinum Perpetual Diamond Chrono Watch Ref. 5271 - The Keystone Watches

Patek Philippe Platinum Perpetual Diamond Chrono Watch Ref. 5271

Patek Philippe Platinum Perpetual Diamond Chrono Watch Ref. 5271

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5040 Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5040 Retailed by Tiffany & Co.

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5040 Retailed by Tiffany & Co.

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Rolex - Rolex Yellow Gold Day-Date Watch Ref. 118208 - The Keystone Watches

Rolex Yellow Gold Day-Date Watch Ref. 118208

Rolex Yellow Gold Day-Date Watch Ref. 118208

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Tudor - Tudor Chrono-Time Tiger Watch Ref. 79280 with Original Warranty Paper - The Keystone Watches

Tudor Chrono-Time Tiger Watch Ref. 79280 with Original Warranty Paper

Tudor Chrono-Time Tiger Watch Ref. 79280 with Original Warranty Paper

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Patek Philippe - Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

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Patek Philippe - Patek Philippe White Gold Nautilus Baguette Diamond Watch Ref. 5724 - The Keystone Watches

Patek Philippe White Gold Nautilus Baguette Diamond Watch Ref. 5724

Patek Philippe White Gold Nautilus Baguette Diamond Watch Ref. 5724

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Patek Philippe - Patek Philippe Rose Gold Chronograph Baguette Watch Ref. 5961 - The Keystone Watches

Patek Philippe Rose Gold Chronograph Baguette Watch Ref. 5961

Patek Philippe Rose Gold Chronograph Baguette Watch Ref. 5961

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 5119 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 5119

Patek Philippe White Gold Calatrava Watch Ref. 5119

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Omega - Omega Seamaster Aqua Terra Chronometer Tech Watch - The Keystone Watches

Omega Seamaster Aqua Terra Chronometer Tech Watch

Omega Seamaster Aqua Terra Chronometer Tech Watch

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Omega - Omega Seamaster Aqua Terra 150m Co-Axial Watch - The Keystone Watches

Omega Seamaster Aqua Terra 150m Co-Axial Watch

Omega Seamaster Aqua Terra 150m Co-Axial Watch

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Omega - Omega Seamaster Planet Ocean Co-Axial Watch Ref. 23230462101003 - The Keystone Watches

Omega Seamaster Planet Ocean Co-Axial Watch Ref. 23230462101003

Omega Seamaster Planet Ocean Co-Axial Watch Ref. 23230462101003

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Omega - Omega Seamaster Planet Ocean Watch Ref. 232.30.46.21.01.002 - The Keystone Watches

Omega Seamaster Planet Ocean Watch Ref. 232.30.46.21.01.002

Omega Seamaster Planet Ocean Watch Ref. 232.30.46.21.01.002

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Omega - Omega Seamaster Planet Ocean Watch Ref. 232.30.42.21.01.003 - The Keystone Watches

Omega Seamaster Planet Ocean Watch Ref. 232.30.42.21.01.003

Omega Seamaster Planet Ocean Watch Ref. 232.30.42.21.01.003

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Omega - Omega Planet Ocean Chronograph Orange Watch Ref. 23230465101002 - The Keystone Watches

Omega Planet Ocean Chronograph Orange Watch Ref. 23230465101002

Omega Planet Ocean Chronograph Orange Watch Ref. 23230465101002

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Omega - Omega Titanium Seamaster Planet Ocean Co-Axial Watch - The Keystone Watches

Omega Titanium Seamaster Planet Ocean Co-Axial Watch

Omega Titanium Seamaster Planet Ocean Co-Axial Watch

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A. Lange & Sohne - A. Lange & Sohne White Gold Zeitwerk Striking Time Watch Ref. 145.029 - The Keystone Watches

A. Lange & Sohne White Gold Zeitwerk Striking Time Watch Ref. 145.029

A. Lange & Sohne White Gold Zeitwerk Striking Time Watch Ref. 145.029

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Patek Philippe - Patek Philippe Nautilus Chronograph Ref. 5980/1R - The Keystone Watches

Patek Philippe Nautilus Chronograph Ref. 5980/1R

Patek Philippe Nautilus Chronograph Ref. 5980/1R

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Audemars Piguet - Audemars Piguet Millenary Skeleton Watch Ref. 15350 - The Keystone Watches

Audemars Piguet Millenary Skeleton Watch Ref. 15350

Audemars Piguet Millenary Skeleton Watch Ref. 15350

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A. Lange & Sohne - A. Lange & Sohne Platinum Grande Lange 1 Lumen Watch Ref. 117.035 - The Keystone Watches

A. Lange & Sohne Platinum Grande Lange 1 Lumen Watch Ref. 117.035

A. Lange & Sohne Platinum Grande Lange 1 Lumen Watch Ref. 117.035

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Jaeger LeCoultre - Jaeger Lecoultre Grande Reverso Ultra Thin 1931 Tribute Watch Ref. Q2788570 - The Keystone Watches

Jaeger Lecoultre Grande Reverso Ultra Thin 1931 Tribute Watch Ref. Q2788570

Jaeger Lecoultre Grande Reverso Ultra Thin 1931 Tribute Watch Ref. Q2788570

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

Patek Philippe Nautilus Moonphase Watch Ref. 5712

Patek Philippe Nautilus Moonphase Watch Ref. 5712

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Audemars Piguet - Audemars Piguet Royal Oak Chronograph Tourbillon Watch Ref. 25977 - The Keystone Watches

Audemars Piguet Royal Oak Chronograph Tourbillon Watch Ref. 25977

Audemars Piguet Royal Oak Chronograph Tourbillon Watch Ref. 25977

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

Patek Philippe White Gold Annual Calendar Moonphase Watch Ref. 5205

Patek Philippe White Gold Annual Calendar Moonphase Watch Ref. 5205

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

Audemars Piguet Royal Oak Watch Ref. 15400

Audemars Piguet Royal Oak Watch Ref. 15400

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IWC - IWC White Gold Portuguese Perpetual Calendar Watch Ref. IW503203 - The Keystone Watches

IWC White Gold Portuguese Perpetual Calendar Watch Ref. IW503203

IWC White Gold Portuguese Perpetual Calendar Watch Ref. IW503203

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Omega - Omega Speedmaster Moonwatch Snoopy Award Ref. 3578.51.00 - The Keystone Watches

Omega Speedmaster Moonwatch Snoopy Award Ref. 3578.51.00

Omega Speedmaster Moonwatch Snoopy Award Ref. 3578.51.00

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Patek Philippe - Patek Philippe Platinum Perpetual Baguette Diamond Watch Ref. 5271 - The Keystone Watches

Patek Philippe Platinum Perpetual Baguette Diamond Watch Ref. 5271

Patek Philippe Platinum Perpetual Baguette Diamond Watch Ref. 5271

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Patek Philippe - Patek Philippe White Gold Perpetual Ref. 5160 - The Keystone Watches

Patek Philippe White Gold Perpetual Ref. 5160

Patek Philippe White Gold Perpetual Ref. 5160

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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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New Arrivals Preview
 
Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

$9,800 USD
 
Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

$8,750 USD
 
Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

$18,750 USD
 
Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

$23,500 USD
 
Boucheron - Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival) - The Keystone Watches

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

$9,500 USD
 
Rolex - Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival) - The Keystone Watches

Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival)

Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival)

$7,500 USD
 
Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

$15,500 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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