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Rolex - Rolex Platinum and Diamond Day-Date Ref. 18296 - The Keystone Watches

Rolex Platinum and Diamond Day-Date Ref. 18296

Rolex Platinum and Diamond Day-Date Ref. 18296

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Patek Philippe - Patek Philippe Yellow Gold Calatrava, Ref. 2526 Retailed by Serpico Y Laino - The Keystone Watches

Patek Philippe Yellow Gold Calatrava, Ref. 2526 Retailed by Serpico Y Laino

Patek Philippe Yellow Gold Calatrava, Ref. 2526 Retailed by Serpico Y Laino

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Audemars Piguet - Audemars Piguet Steel Royal Oak 50th Anniversary Ref. 26240ST - The Keystone Watches

Audemars Piguet Steel Royal Oak 50th Anniversary Ref. 26240ST

Audemars Piguet Steel Royal Oak 50th Anniversary Ref. 26240ST

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Rolex - Rolex Yellow Gold Day-Date Ref. 18038 with Blue Dial - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 18038 with Blue Dial

Rolex Yellow Gold Day-Date Ref. 18038 with Blue Dial

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Patek Philippe - Patek Philippe White Gold Lapis Watch Ref. 3733 - The Keystone Watches

Patek Philippe White Gold Lapis Watch Ref. 3733

Patek Philippe White Gold Lapis Watch Ref. 3733

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IWC - IWC Yellow Gold Perpetual Calendar Tourbillon Da Vinci Ref. 3752 - The Keystone Watches

IWC Yellow Gold Perpetual Calendar Tourbillon Da Vinci Ref. 3752

IWC Yellow Gold Perpetual Calendar Tourbillon Da Vinci Ref. 3752

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Rolex - Rolex Cosmograph Daytona Aqua Blue Beach Watch Ref. 116519 - The Keystone Watches

Rolex Cosmograph Daytona Aqua Blue Beach Watch Ref. 116519

Rolex Cosmograph Daytona Aqua Blue Beach Watch Ref. 116519

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Rolex - Rolex Yellow Gold Day-Date Ref. 18038 with Wood Dial - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 18038 with Wood Dial

Rolex Yellow Gold Day-Date Ref. 18038 with Wood Dial

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Richard Mille - Richard Mille Rose Gold Tourbillon RM002 - The Keystone Watches

Richard Mille Rose Gold Tourbillon RM002

Richard Mille Rose Gold Tourbillon RM002

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Rolex - Rolex Yellow Gold Day Date Ref. 18238 (NEW ARRIVAL) - The Keystone Watches

Rolex Yellow Gold Day Date Ref. 18238 (NEW ARRIVAL)

Rolex Yellow Gold Day Date Ref. 18238 (NEW ARRIVAL)

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Audemars Piguet - Audemars Piguet Yellow Gold Vintage Watch Retailed by Gubelin (NEW ARRIVAL) - The Keystone Watches

Audemars Piguet Yellow Gold Vintage Watch Retailed by Gubelin (NEW ARRIVAL)

Audemars Piguet Yellow Gold Vintage Watch Retailed by Gubelin (NEW ARRIVAL)

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Cartier - Cartier Skeleton Rotonde de Cartier Skeleton Red Enamel Watch, One of 15 Ref. 4173 (NEW ARRIVAL) - The Keystone Watches

Cartier Skeleton Rotonde de Cartier Skeleton Red Enamel Watch, One of 15 Ref. 4173 (NEW ARRIVAL)

Cartier Skeleton Rotonde de Cartier Skeleton Red Enamel Watch, One of 15 Ref. 4173 (NEW ARRIVAL)

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Audemars Piguet - Audemars Piguet Platinum 150th Anniversary Tourbillon Watch Ref. 25964 - The Keystone Watches

Audemars Piguet Platinum 150th Anniversary Tourbillon Watch Ref. 25964

Audemars Piguet Platinum 150th Anniversary Tourbillon Watch Ref. 25964

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Cartier - Cartier CPCP White Gold Tank Monopoussoir Chronograph Ref. 3078 - The Keystone Watches

Cartier CPCP White Gold Tank Monopoussoir Chronograph Ref. 3078

Cartier CPCP White Gold Tank Monopoussoir Chronograph Ref. 3078

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Audemars Piguet - Audemars Piguet White Gold Moskow Perpetual Equation of Time Ref. 25934 - The Keystone Watches

Audemars Piguet White Gold Moskow Perpetual Equation of Time Ref. 25934

Audemars Piguet White Gold Moskow Perpetual Equation of Time Ref. 25934

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Patek Philippe - Patek Philippe Yellow Gold World Time Watch Ref. 5110 - The Keystone Watches

Patek Philippe Yellow Gold World Time Watch Ref. 5110

Patek Philippe Yellow Gold World Time Watch Ref. 5110

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140 (NEW ARRIVAL)

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140 (NEW ARRIVAL)

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Audemars Piguet - Audemars Piguet Platinum Tourbillon Watch Ref. 25718 (NEW ARRIVAL) - The Keystone Watches

Audemars Piguet Platinum Tourbillon Watch Ref. 25718 (NEW ARRIVAL)

Audemars Piguet Platinum Tourbillon Watch Ref. 25718 (NEW ARRIVAL)

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Cartier - Cartier White Gold Rotonde Jump Hour Ref. 2953 (NEW ARRIVAL) - The Keystone Watches

Cartier White Gold Rotonde Jump Hour Ref. 2953 (NEW ARRIVAL)

Cartier White Gold Rotonde Jump Hour Ref. 2953 (NEW ARRIVAL)

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Audemars Piguet - Audemars Piguet White Gold Frosted Rainbow Royal Oak Ref. 15468 (NEW ARRIVAL) - The Keystone Watches

Audemars Piguet White Gold Frosted Rainbow Royal Oak Ref. 15468 (NEW ARRIVAL)

Audemars Piguet White Gold Frosted Rainbow Royal Oak Ref. 15468 (NEW ARRIVAL)

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Audemars Piguet - Audemars Piguet White Gold Cobra Watch - The Keystone Watches

Audemars Piguet White Gold Cobra Watch

Audemars Piguet White Gold Cobra Watch

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Patek Philippe - Patek Philippe Steel Nautilus Ref. 3710 - The Keystone Watches

Patek Philippe Steel Nautilus Ref. 3710

Patek Philippe Steel Nautilus Ref. 3710

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Vacheron Constantin - Vacheron Constantin Yellow Gold Mechanical Bracelet Watch (NEW ARRIVAL) - The Keystone Watches

Vacheron Constantin Yellow Gold Mechanical Bracelet Watch (NEW ARRIVAL)

Vacheron Constantin Yellow Gold Mechanical Bracelet Watch (NEW ARRIVAL)

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Rolex - Rolex Yellow Gold Day Date Ruby Diamond String Dial Ref. 18238 (NEW ARRIVAL) - The Keystone Watches

Rolex Yellow Gold Day Date Ruby Diamond String Dial Ref. 18238 (NEW ARRIVAL)

Rolex Yellow Gold Day Date Ruby Diamond String Dial Ref. 18238 (NEW ARRIVAL)

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Audemars Piguet - Audemars Piguet Platinum Royal Oak Tourbillon Watch Ref. 26510 - The Keystone Watches

Audemars Piguet Platinum Royal Oak Tourbillon Watch Ref. 26510

Audemars Piguet Platinum Royal Oak Tourbillon Watch Ref. 26510

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Patek Philippe - Patek Philippe Rose Gold Aquanaut Watch Ref. 5164 - The Keystone Watches

Patek Philippe Rose Gold Aquanaut Watch Ref. 5164

Patek Philippe Rose Gold Aquanaut Watch Ref. 5164

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Cartier - Cartier Yellow Gold Tonneau Watch - The Keystone Watches

Cartier Yellow Gold Tonneau Watch

Cartier Yellow Gold Tonneau Watch

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Cartier Yellow Gold Tank Cintree

Cartier Yellow Gold Tank Cintree

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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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Rolex - Rolex Two-Tone Datejust Ref. 16013 with Buckley Dial - The Keystone Watches

Rolex Two-Tone Datejust Ref. 16013 with Buckley Dial

Rolex Two-Tone Datejust Ref. 16013 with Buckley Dial

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Cartier - Cartier White Gold Roadster Watch Ref. 3102 with Walnut Wood Dial - The Keystone Watches

Cartier White Gold Roadster Watch Ref. 3102 with Walnut Wood Dial

Cartier White Gold Roadster Watch Ref. 3102 with Walnut Wood Dial

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Cartier - Cartier Platinum Santos Mecanique Watch Ref. 1575 - The Keystone Watches

Cartier Platinum Santos Mecanique Watch Ref. 1575

Cartier Platinum Santos Mecanique Watch Ref. 1575

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

Patek Philippe Steel Aquanaut Watch Ref. 5066

Patek Philippe Steel Aquanaut Watch Ref. 5066

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Patek Philippe - Patek Philippe Steel Automatic Backwinbd Watch Ref. 3580 with Bracelet and Papers - The Keystone Watches

Patek Philippe Steel Automatic Backwinbd Watch Ref. 3580 with Bracelet and Papers

Patek Philippe Steel Automatic Backwinbd Watch Ref. 3580 with Bracelet and Papers

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Audemars Piguet - Audemars Piguet White Gold Automatic Tonneau Watch - The Keystone Watches

Audemars Piguet White Gold Automatic Tonneau Watch

Audemars Piguet White Gold Automatic Tonneau Watch

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Omega - Omega Steel Speedmaster Ref. 3570.40 with Japan Racing Dial - The Keystone Watches

Omega Steel Speedmaster Ref. 3570.40 with Japan Racing Dial

Omega Steel Speedmaster Ref. 3570.40 with Japan Racing Dial

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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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