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A. Lange & Sohne - A. Lange & Sohne White Gold Saxonia Ref. 878.029 - The Keystone Watches

A. Lange & Sohne White Gold Saxonia Ref. 878.029

A. Lange & Sohne White Gold Saxonia Ref. 878.029

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A. Lange & Sohne White Gold Saxonia Ref. 878.038 (New Arrival)

A. Lange & Sohne White Gold Saxonia Ref. 878.038 (New Arrival)

A. Lange & Sohne White Gold Saxonia Ref. 878.038 (New Arrival)

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne White Gold Saxonia Watch Ref. 216.026 - The Keystone Watches

A. Lange & Sohne White Gold Saxonia Watch Ref. 216.026

A. Lange & Sohne White Gold Saxonia Watch Ref. 216.026

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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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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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A. Lange & Sohne - A. Lange & Sohne Yellow Gold 1815 Watch Ref. 233.021 - The Keystone Watches

A. Lange & Sohne Yellow Gold 1815 Watch Ref. 233.021

A. Lange & Sohne Yellow Gold 1815 Watch Ref. 233.021

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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Datograph Watch Ref. 403.041 on Wellendorf Bracelet - The Keystone Watches

A. Lange & Sohne Yellow Gold Datograph Watch Ref. 403.041 on Wellendorf Bracelet

A. Lange & Sohne Yellow Gold Datograph Watch Ref. 403.041 on Wellendorf Bracelet

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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Lange 1 Bracelet Watch Ref. 101.021 - The Keystone Watches

A. Lange & Sohne Yellow Gold Lange 1 Bracelet Watch Ref. 101.021

A. Lange & Sohne Yellow Gold Lange 1 Bracelet Watch Ref. 101.021

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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Lange 1 Ref. 101.021 - The Keystone Watches

A. Lange & Sohne Yellow Gold Lange 1 Ref. 101.021

A. Lange & Sohne Yellow Gold Lange 1 Ref. 101.021

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A. Lange & Sohne Yellow Gold Lange 1 Ref. 101.021 (New Arrival)

A. Lange & Sohne Yellow Gold Lange 1 Ref. 101.021 (New Arrival)

A. Lange & Sohne Yellow Gold Lange 1 Ref. 101.021 (New Arrival)

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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Lange 1 Watch Ref. 101.021 - The Keystone Watches

A. Lange & Sohne Yellow Gold Lange 1 Watch Ref. 101.021

A. Lange & Sohne Yellow Gold Lange 1 Watch Ref. 101.021

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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Lange 1 Watch Ref. 101.021 - The Keystone Watches

A. Lange & Sohne Yellow Gold Lange 1 Watch Ref. 101.021

A. Lange & Sohne Yellow Gold Lange 1 Watch Ref. 101.021

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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Lange One First Series Watch, Ref. 101.001 - The Keystone Watches

A. Lange & Sohne Yellow Gold Lange One First Series Watch, Ref. 101.001

A. Lange & Sohne Yellow Gold Lange One First Series Watch, Ref. 101.001

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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Langematik Perpetual Wellendorf Bracelet Ref 310.221 - The Keystone Watches

A. Lange & Sohne Yellow Gold Langematik Perpetual Wellendorf Bracelet Ref 310.221

A. Lange & Sohne Yellow Gold Langematik Perpetual Wellendorf Bracelet Ref 310.221

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A. Lange & Sohne Yellow Gold Little Lange 1 Ref. 111.021

A. Lange & Sohne Yellow Gold Little Lange 1 Ref. 111.021

A. Lange & Sohne Yellow Gold Little Lange 1 Ref. 111.021

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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Saxonia 1st Series Solid Back Watch Ref. 102.002 - The Keystone Watches

A. Lange & Sohne Yellow Gold Saxonia 1st Series Solid Back Watch Ref. 102.002

A. Lange & Sohne Yellow Gold Saxonia 1st Series Solid Back Watch Ref. 102.002

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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Saxonia 1st Series Watch Ref. 102.002 - The Keystone Watches

A. Lange & Sohne Yellow Gold Saxonia 1st Series Watch Ref. 102.002

A. Lange & Sohne Yellow Gold Saxonia 1st Series Watch Ref. 102.002

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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Saxonia Bracelet Watch - The Keystone Watches

A. Lange & Sohne Yellow Gold Saxonia Bracelet Watch

A. Lange & Sohne Yellow Gold Saxonia Bracelet Watch

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A. Lange and Sohne Yellow Gold Grosse Langematik Gangreserve Ref. 304.048, Limited Wempe Anniversary Edition of 100

A. Lange and Sohne Yellow Gold Grosse Langematik Gangreserve Ref. 304.048, Limited Wempe Anniversary Edition of 100

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A. Lange & Sohne - A. Lange Sohne White Gold Flyback Chronograph Ref. 401.026 - The Keystone Watches

A. Lange Sohne White Gold Flyback Chronograph Ref. 401.026

A. Lange Sohne White Gold Flyback Chronograph Ref. 401.026

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A. Lange & Sohne - A.Lange & Sohne Rose Gold Saxonia Annual Calendar Watch Ref. 330.032 - The Keystone Watches

A.Lange & Sohne Rose Gold Saxonia Annual Calendar Watch Ref. 330.032

A.Lange & Sohne Rose Gold Saxonia Annual Calendar Watch Ref. 330.032

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Andersen Geneve Yellow Gold Minute Repeater and Perpetual Calendar Unique Piece

Andersen Geneve Yellow Gold Minute Repeater and Perpetual Calendar Unique Piece

Andersen Geneve Yellow Gold Minute Repeater and Perpetual Calendar Unique Piece

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New Arrivals Preview
 
Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

$29,500 USD
 
Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

$9,500 USD
 
Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

$17,500 USD
 
Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

$55,000 USD
 
Patek Philippe - Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival) - The Keystone Watches

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

$15,500 USD
 
Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

$9,200 USD
 
Cartier - Cartier Yellow Gold Enamel Clip Watch with Royal Thames Yacht Club Enamel Emblem (New Arrival) - The Keystone Watches

Cartier Yellow Gold Enamel Clip Watch with Royal Thames Yacht Club Enamel Emblem (New Arrival)

Cartier Yellow Gold Enamel Clip Watch with Royal Thames Yacht Club Enamel Emblem (New Arrival)

$35,000 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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