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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

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne Rose Gold Saxonia Automatic Watch Ref. 315.032 - The Keystone Watches

A. Lange & Sohne Rose Gold Saxonia Automatic Watch Ref. 315.032

A. Lange & Sohne Rose Gold Saxonia Automatic Watch Ref. 315.032

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne Rose Gold Saxonia Watch Ref. 216.033 - The Keystone Watches

A. Lange & Sohne Rose Gold Saxonia Watch Ref. 216.033

A. Lange & Sohne Rose Gold Saxonia Watch Ref. 216.033

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne Rose Gold Saxonia Watch Ref. 219.032 - The Keystone Watches

A. Lange & Sohne Rose Gold Saxonia Watch Ref. 219.032

A. Lange & Sohne Rose Gold Saxonia Watch Ref. 219.032

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

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

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

Sold Out

 
A. Lange & Sohne Tourbillon Pour le Merite Ref. 701.005, Only 50 Pieces

A. Lange & Sohne Tourbillon Pour le Merite Ref. 701.005, Only 50 Pieces

A. Lange & Sohne Tourbillon Pour le Merite Ref. 701.005, Only 50 Pieces

$450,000 USD
 
A. Lange & Sohne - A. Lange & Sohne White Gold 1815 Annual Calendar Watch Ref. 238.026 - The Keystone Watches

A. Lange & Sohne White Gold 1815 Annual Calendar Watch Ref. 238.026

A. Lange & Sohne White Gold 1815 Annual Calendar Watch Ref. 238.026

Sold Out

 

A. Lange & Sohne White Gold 1815 Annual Calendar Watch Ref. 238.026

A. Lange & Sohne White Gold 1815 Annual Calendar Watch Ref. 238.026

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne White Gold 1815 Chronograph Watch 402.026 - The Keystone Watches

A. Lange & Sohne White Gold 1815 Chronograph Watch 402.026

A. Lange & Sohne White Gold 1815 Chronograph Watch 402.026

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A. Lange & Sohne - A. Lange & Sohne White Gold 1815 Up Down Watch Ref. 234.026 - The Keystone Watches

A. Lange & Sohne White Gold 1815 Up Down Watch Ref. 234.026

A. Lange & Sohne White Gold 1815 Up Down Watch Ref. 234.026

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A. Lange & Sohne - A. Lange & Sohne White Gold 1815 Watch Ref. 206.029 - The Keystone Watches

A. Lange & Sohne White Gold 1815 Watch Ref. 206.029

A. Lange & Sohne White Gold 1815 Watch Ref. 206.029

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

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

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

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne White Gold Cabaret Soiree Diamond Watch, Ref. 868.032 - The Keystone Watches

A. Lange & Sohne White Gold Cabaret Soiree Diamond Watch, Ref. 868.032

A. Lange & Sohne White Gold Cabaret Soiree Diamond Watch, Ref. 868.032

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A. Lange & Sohne - A. Lange & Sohne White Gold Dual TIme Watch, Ref. 386.026 - The Keystone Watches

A. Lange & Sohne White Gold Dual TIme Watch, Ref. 386.026

A. Lange & Sohne White Gold Dual TIme Watch, Ref. 386.026

Sold Out

 

A. Lange & Sohne White Gold Flyback Chronograph Ref. 401.026

A. Lange & Sohne White Gold Flyback Chronograph Ref. 401.026

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne White Gold Lange 1 101.027x - The Keystone Watches

A. Lange & Sohne White Gold Lange 1 101.027x

A. Lange & Sohne White Gold Lange 1 101.027x

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A. Lange & Sohne - A. Lange & Sohne White Gold Lange 1 Bracelet Watch - The Keystone Watches

A. Lange & Sohne White Gold Lange 1 Bracelet Watch

A. Lange & Sohne White Gold Lange 1 Bracelet Watch

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A. Lange & Sohne - A. Lange & Sohne White Gold Lange 1 Luminous Watch Ref. 101.029 - The Keystone Watches

A. Lange & Sohne White Gold Lange 1 Luminous Watch Ref. 101.029

A. Lange & Sohne White Gold Lange 1 Luminous Watch Ref. 101.029

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A. Lange & Sohne - A. Lange & Sohne White Gold Lange 1 Luminous Watch Ref. 101.029 - The Keystone Watches

A. Lange & Sohne White Gold Lange 1 Luminous Watch Ref. 101.029

A. Lange & Sohne White Gold Lange 1 Luminous Watch Ref. 101.029

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A. Lange & Sohne - A. Lange & Sohne White Gold Lange 1 Perpetual Calendar Ref. 345.056 - The Keystone Watches

A. Lange & Sohne White Gold Lange 1 Perpetual Calendar Ref. 345.056

A. Lange & Sohne White Gold Lange 1 Perpetual Calendar Ref. 345.056

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne White Gold Lange 1 Ref. 101.030 - The Keystone Watches

A. Lange & Sohne White Gold Lange 1 Ref. 101.030

A. Lange & Sohne White Gold Lange 1 Ref. 101.030

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne White Gold Lange 1 Ref. 101.039 - The Keystone Watches

A. Lange & Sohne White Gold Lange 1 Ref. 101.039

A. Lange & Sohne White Gold Lange 1 Ref. 101.039

Sold Out

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New Arrivals Preview
 
Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5307 (New Arrival)

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5307 (New Arrival)

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5307 (New Arrival)

$1,950,000 USD
 
Rolex Cosmograph Daytona Big Red Ref. 6265 Box and Papers (New Arrival)

Rolex Cosmograph Daytona Big Red Ref. 6265 Box and Papers (New Arrival)

Rolex Cosmograph Daytona Big Red Ref. 6265 Box and Papers (New Arrival)

$97,500 USD
 
Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

$62,000 USD
 
Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

$55,000 USD
 
Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

$21,000 USD
 
Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

$175,000 USD
 
Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

$70,000 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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