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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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Audemars Piguet - Audemars Piguet Royal Oak Chronograph Watch Ref. 25860 - The Keystone Watches

Audemars Piguet Royal Oak Chronograph Watch Ref. 25860

Audemars Piguet Royal Oak Chronograph Watch Ref. 25860

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Piaget - Piaget White Gold Automatic Watch Ref. 12311, Retailed by Asprey - The Keystone Watches

Piaget White Gold Automatic Watch Ref. 12311, Retailed by Asprey

Piaget White Gold Automatic Watch Ref. 12311, Retailed by Asprey

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Cartier - Cartier Rose Gold Tonneau Dual Time Zone Watch - The Keystone Watches

Cartier Rose Gold Tonneau Dual Time Zone Watch

Cartier Rose Gold Tonneau Dual Time Zone Watch

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

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

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

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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 Steel Nautilus Watch Ref. 3900 - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 3900

Patek Philippe Steel Nautilus Watch Ref. 3900

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Patek Philippe - Patek Philippe Yellow Gold Bracelet Watch Ref. 3598 - The Keystone Watches

Patek Philippe Yellow Gold Bracelet Watch Ref. 3598

Patek Philippe Yellow Gold Bracelet Watch Ref. 3598

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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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A. Lange & Sohne - A. Lange & Sohne Platinum Grand Lange 1 Watch Ref. 117.025 - The Keystone Watches

A. Lange & Sohne Platinum Grand Lange 1 Watch Ref. 117.025

A. Lange & Sohne Platinum Grand Lange 1 Watch Ref. 117.025

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Rolex - Rolex Yellow Gold Submariner Lapis Lazuli Watch Ref. 16618 - The Keystone Watches

Rolex Yellow Gold Submariner Lapis Lazuli Watch Ref. 16618

Rolex Yellow Gold Submariner Lapis Lazuli Watch Ref. 16618

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Panerai - Panerai Luminor Black Seal for Purdey Ref. Pam76 - The Keystone Watches

Panerai Luminor Black Seal for Purdey Ref. Pam76

Panerai Luminor Black Seal for Purdey Ref. Pam76

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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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Vacheron Constantin - Vacheron Constantin Steel Automatic Watch Ref. 6562 - The Keystone Watches

Vacheron Constantin Steel Automatic Watch Ref. 6562

Vacheron Constantin Steel Automatic Watch Ref. 6562

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Patek Philippe - Patek Philippe Steel Calatrava Watch Ref. 3466 - The Keystone Watches

Patek Philippe Steel Calatrava Watch Ref. 3466

Patek Philippe Steel Calatrava Watch Ref. 3466

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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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Cartier - Cartier Yellow Gold Tank Faberge Watch - The Keystone Watches

Cartier Yellow Gold Tank Faberge Watch

Cartier Yellow Gold Tank Faberge Watch

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Audemars Piguet - Audemars Piguet Steel Automatic Watch, Ref. 5281 with Original Warranty Papers - The Keystone Watches

Audemars Piguet Steel Automatic Watch, Ref. 5281 with Original Warranty Papers

Audemars Piguet Steel Automatic Watch, Ref. 5281 with Original Warranty Papers

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New Arrivals Preview
 
Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

$19,800 USD
 
Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

$16,000 USD
 
Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

$75,000 USD
 
Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

$30,000 USD
 
Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

$105,000 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival) - The Keystone Watches

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

$60,000 USD
 
Audemars Piguet - Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival) - The Keystone Watches

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

$18,000 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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