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Patek Philippe - Patek Philippe White Gold Square Watch Ref. 3490 - The Keystone Watches

Patek Philippe White Gold Square Watch Ref. 3490

Patek Philippe White Gold Square Watch Ref. 3490

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

Audemars Piguet Rose Gold Royal Oak Watch Ref. 15400

Audemars Piguet Rose Gold Royal Oak Watch Ref. 15400

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Patek Philippe - Patek Philippe Steel Calatrava Watch Ref. 3509 with Original Box and Papers - The Keystone Watches

Patek Philippe Steel Calatrava Watch Ref. 3509 with Original Box and Papers

Patek Philippe Steel Calatrava Watch Ref. 3509 with Original Box and Papers

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Patek Philippe - Patek Philippe Steel 150th Anniversary Calatrava Watch Ref. 3718 - The Keystone Watches

Patek Philippe Steel 150th Anniversary Calatrava Watch Ref. 3718

Patek Philippe Steel 150th Anniversary Calatrava Watch Ref. 3718

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Vacheron Constantin - Vacheron Contantin Platinum 333 Watch - The Keystone Watches

Vacheron Contantin Platinum 333 Watch

Vacheron Contantin Platinum 333 Watch

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Patek Philippe - Patek Philippe White Gold Celestial Baguette Diamond Watch Ref. 6104 - The Keystone Watches

Patek Philippe White Gold Celestial Baguette Diamond Watch Ref. 6104

Patek Philippe White Gold Celestial Baguette Diamond Watch Ref. 6104

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A. Lange & Sohne - A Lange & Sohne Rose Gold Saxonia Dual Time Watch Ref. 385.032 - The Keystone Watches

A Lange & Sohne Rose Gold Saxonia Dual Time Watch Ref. 385.032

A Lange & Sohne Rose Gold Saxonia Dual Time Watch Ref. 385.032

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A. Lange & Sohne - A Lange & Sohne White Gold Saxonia Annual Calendar Watch, Ref. 330.026 - The Keystone Watches

A Lange & Sohne White Gold Saxonia Annual Calendar Watch, Ref. 330.026

A Lange & Sohne White Gold Saxonia Annual Calendar Watch, Ref. 330.026

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

Patek Philippe Steel Aquanaut Jumbo Watch Ref. 5065

Patek Philippe Steel Aquanaut Jumbo Watch Ref. 5065

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Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5066 - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5066

Patek Philippe Aquanaut Automatic Watch Ref. 5066

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Cartier - Cartier White Gold Rectangulaire a Pattes Vis Armurier Enamel Tank Watch - The Keystone Watches

Cartier White Gold Rectangulaire a Pattes Vis Armurier Enamel Tank Watch

Cartier White Gold Rectangulaire a Pattes Vis Armurier Enamel Tank Watch

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5270 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5270

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5270

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Offshore Lebron James Watch - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Offshore Lebron James Watch

Audemars Piguet Rose Gold Royal Oak Offshore Lebron James Watch

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Vacheron Constantin - Vacheron Constantin Platinum Oversized Strap Watch - The Keystone Watches

Vacheron Constantin Platinum Oversized Strap Watch

Vacheron Constantin Platinum Oversized Strap Watch

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Omega - Omega Speedmaster Ed White Tropical Brown Dial Watch Ref. 105.003 - The Keystone Watches

Omega Speedmaster Ed White Tropical Brown Dial Watch Ref. 105.003

Omega Speedmaster Ed White Tropical Brown Dial Watch Ref. 105.003

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

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

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Rolex - Rolex Rose Gold Yacht-Master Rainbow Diamond Watch Ref. 116695 - The Keystone Watches

Rolex Rose Gold Yacht-Master Rainbow Diamond Watch Ref. 116695

Rolex Rose Gold Yacht-Master Rainbow Diamond Watch Ref. 116695

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

Rolex Yellow Gold Cosmograph Floating Daytona Watch Ref. 16528

Rolex Yellow Gold Cosmograph Floating Daytona Watch Ref. 16528

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

Rolex Cosmograph Daytona Zenith Watch Ref. 16520

Rolex Cosmograph Daytona Zenith Watch Ref. 16520

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

Omega Speedmaster Moonwatch Snoopy Award Watch Ref. 3578.51.00

Omega Speedmaster Moonwatch Snoopy Award Watch Ref. 3578.51.00

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Patek Philippe - Patek Philippe Aquanaut Blue Dial Watch Ref. 5066, Made for the Japanese Market - The Keystone Watches

Patek Philippe Aquanaut Blue Dial Watch Ref. 5066, Made for the Japanese Market

Patek Philippe Aquanaut Blue Dial Watch Ref. 5066, Made for the Japanese Market

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IWC - IWC Aquatimer Watch Ref. 1812, from 1968 - The Keystone Watches

IWC Aquatimer Watch Ref. 1812, from 1968

IWC Aquatimer Watch Ref. 1812, from 1968

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Audemars Piguet - Audemars Piguet Royal Oak Jumbo D-Series Watch Ref. 5402 - The Keystone Watches

Audemars Piguet Royal Oak Jumbo D-Series Watch Ref. 5402

Audemars Piguet Royal Oak Jumbo D-Series Watch Ref. 5402

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Patek Philippe - Patek Philippe Aquanaut Blue Dial Watch Ref. 5066, Made for the Japanese Market - The Keystone Watches

Patek Philippe Aquanaut Blue Dial Watch Ref. 5066, Made for the Japanese Market

Patek Philippe Aquanaut Blue Dial Watch Ref. 5066, Made for the Japanese Market

Sold Out

 
Vacheron Constantin - Vacheron Constantin Yellow Gold Perpetual Calendar Skeleton Watch - The Keystone Watches

Vacheron Constantin Yellow Gold Perpetual Calendar Skeleton Watch

Vacheron Constantin Yellow Gold Perpetual Calendar Skeleton Watch

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Omega - Omega Yellow Gold Seamaster Skeleton 50th Anniversary Watch - The Keystone Watches

Omega Yellow Gold Seamaster Skeleton 50th Anniversary Watch

Omega Yellow Gold Seamaster Skeleton 50th Anniversary Watch

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Glashutte - Glashutte White Gold Senator Tourbillon Watch - The Keystone Watches

Glashutte White Gold Senator Tourbillon Watch

Glashutte White Gold Senator Tourbillon Watch

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Rolex - Rolex Two-Tone Datejust Onyx Diamond Watch Ref. 116233 - The Keystone Watches

Rolex Two-Tone Datejust Onyx Diamond Watch Ref. 116233

Rolex Two-Tone Datejust Onyx Diamond Watch Ref. 116233

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Rolex - Rolex Yellow Gold Day-Date Ammonite Stone Dial Watch Ref. 18238 - The Keystone Watches

Rolex Yellow Gold Day-Date Ammonite Stone Dial Watch Ref. 18238

Rolex Yellow Gold Day-Date Ammonite Stone Dial Watch Ref. 18238

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Ulysse Nardin - Ulysse Nardin Platinum Hour Striker Watch Ref. 759-20 - The Keystone Watches

Ulysse Nardin Platinum Hour Striker Watch Ref. 759-20

Ulysse Nardin Platinum Hour Striker Watch Ref. 759-20

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Cartier - Cartier Yellow Gold Pasha Perpetual Calendar Minute Repeater Watch - The Keystone Watches

Cartier Yellow Gold Pasha Perpetual Calendar Minute Repeater Watch

Cartier Yellow Gold Pasha Perpetual Calendar Minute Repeater Watch

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Patek Philippe - Patek Philippe Yellow Gold Annual Calendar Limited Edition for Tiffany & Co. - The Keystone Watches

Patek Philippe Yellow Gold Annual Calendar Limited Edition for Tiffany & Co.

Patek Philippe Yellow Gold Annual Calendar Limited Edition for Tiffany & Co.

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Patek Philippe - Patek Philippe White Gold Annual Calendar Limited Edition for Tiffany & Co. - The Keystone Watches

Patek Philippe White Gold Annual Calendar Limited Edition for Tiffany & Co.

Patek Philippe White Gold Annual Calendar Limited Edition for Tiffany & Co.

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Rolex - Rolex White Gold GMT-Master II Sapphire Watch Ref. 116749 - The Keystone Watches

Rolex White Gold GMT-Master II Sapphire Watch Ref. 116749

Rolex White Gold GMT-Master II Sapphire Watch Ref. 116749

Sold Out

 
Patek Philippe - Patek Philippe White Gold World Time Watch Ref. 5130 - The Keystone Watches

Patek Philippe White Gold World Time Watch Ref. 5130

Patek Philippe White Gold World Time Watch Ref. 5130

Sold Out

 
Piaget - Piaget White Gold Altiplano Skeleton Watch - The Keystone Watches

Piaget White Gold Altiplano Skeleton Watch

Piaget White Gold Altiplano Skeleton Watch

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New Arrivals Preview
 
Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

$150,000 USD
 
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
 
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
 
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
 
Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

$15,000 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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