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Audemars Piguet Platinum Grand Sonnerie Skeleton Watch with Diamonds, Possibly Unique

Audemars Piguet Platinum Grand Sonnerie Skeleton Watch with Diamonds, Possibly Unique

Audemars Piguet Platinum Grand Sonnerie Skeleton Watch with Diamonds, Possibly Unique

$285,000 USD
 
Audemars Piguet Yellow Gold Royal Oak Skeleton Watch Ref. 14789BA

Audemars Piguet Yellow Gold Royal Oak Skeleton Watch Ref. 14789BA

Audemars Piguet Yellow Gold Royal Oak Skeleton Watch Ref. 14789BA

$275,000 USD
 
Audemars Piguet Yellow Gold Cobra Watch Ref. 5403 with Khanjar Emblem Dial

Audemars Piguet Yellow Gold Cobra Watch Ref. 5403 with Khanjar Emblem Dial

Audemars Piguet Yellow Gold Cobra Watch Ref. 5403 with Khanjar Emblem Dial

$65,000 USD
 
Audemars Piguet White Gold Royal Oak Ref. 56343 with Diamonds, Emeralds and Baguette Diamond

Audemars Piguet White Gold Royal Oak Ref. 56343 with Diamonds, Emeralds and Baguette Diamond

Audemars Piguet White Gold Royal Oak Ref. 56343 with Diamonds, Emeralds and Baguette Diamond

$90,000 USD
 
Audemars Piguet Yellow Gold Royal Oak Ref. 56343 with Baguette Diamonds and Rubies

Audemars Piguet Yellow Gold Royal Oak Ref. 56343 with Baguette Diamonds and Rubies

Audemars Piguet Yellow Gold Royal Oak Ref. 56343 with Baguette Diamonds and Rubies

$86,000 USD
 

Audemars Piguet Steel Automatic Huitieme Watch Ref. 14593

Audemars Piguet Steel Automatic Huitieme Watch Ref. 14593

$9,800 USD
 
Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak First Series Jumbo Watch Ref. 5402 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak First Series Jumbo Watch Ref. 5402

Audemars Piguet Yellow Gold Royal Oak First Series Jumbo Watch Ref. 5402

$120,000 USD
 
Audemars Piguet - Audemars Piguet Steel & Platinum Royal Oak Perpetual Calendar Watch Ref. 25820SP - The Keystone Watches

Audemars Piguet Steel & Platinum Royal Oak Perpetual Calendar Watch Ref. 25820SP

Audemars Piguet Steel & Platinum Royal Oak Perpetual Calendar Watch Ref. 25820SP

$140,000 USD
 

Audemars Piguet White Gold Royal Oak Watch Ref. 6005

Audemars Piguet White Gold Royal Oak Watch Ref. 6005

$29,000 USD
 
Audemars Piguet - Audemars Piguet White Gold Diamond Skeleton Birds Watch - The Keystone Watches

Audemars Piguet White Gold Diamond Skeleton Birds Watch

Audemars Piguet White Gold Diamond Skeleton Birds Watch

$45,000 USD
 
Audemars Piguet Platinum John Schaeffer Luminous Minute Repeater Ref. 25882

Audemars Piguet Platinum John Schaeffer Luminous Minute Repeater Ref. 25882

Audemars Piguet Platinum John Schaeffer Luminous Minute Repeater Ref. 25882

$110,000 USD
 
Audemars Piguet Yellow Gold Jumbo Royal Oak Watch Ref. 5402

Audemars Piguet Yellow Gold Jumbo Royal Oak Watch Ref. 5402

Audemars Piguet Yellow Gold Jumbo Royal Oak Watch Ref. 5402

$115,000 USD
 
Audemars Piguet Yellow Gold Watch Ref. 5402

Audemars Piguet Yellow Gold Watch Ref. 5402

Audemars Piguet Yellow Gold Watch Ref. 5402

$135,000 USD
 
Audemars Piguet Yellow Gold Royal Oak Quantieme Calendar Ref. 25800

Audemars Piguet Yellow Gold Royal Oak Quantieme Calendar Ref. 25800

Audemars Piguet Yellow Gold Royal Oak Quantieme Calendar Ref. 25800

$100,000 USD
 
Audemars Piguet Yellow Gold Octagonal Pocket Watch

Audemars Piguet Yellow Gold Octagonal Pocket Watch

Audemars Piguet Yellow Gold Octagonal Pocket Watch

$10,500 USD
 
Audemars Piguet Yellow Gold Ruby & Diamond Watch

Audemars Piguet Yellow Gold Ruby & Diamond Watch

Audemars Piguet Yellow Gold Ruby & Diamond Watch

$78,000 USD
 

Audemars Piguet Steel Automatic Watch with Smoked Vignette Dial

Audemars Piguet Steel Automatic Watch with Smoked Vignette Dial

$9,500 USD
 
Audemars Piguet Yellow Gold Mechanical Watch

Audemars Piguet Yellow Gold Mechanical Watch

Audemars Piguet Yellow Gold Mechanical Watch

$30,000 USD
 
Audemars Piguet White Gold Ruby & Diamond Skeleton Watch

Audemars Piguet White Gold Ruby & Diamond Skeleton Watch

Audemars Piguet White Gold Ruby & Diamond Skeleton Watch

$150,000 USD
 
Audemars Piguet Rose Gold Concept Flying Tourbillon Ref 26228, Limited Edition of Five

Audemars Piguet Rose Gold Concept Flying Tourbillon Ref 26228, Limited Edition of Five

Audemars Piguet Rose Gold Concept Flying Tourbillon Ref 26228, Limited Edition of Five

$450,000 USD
 
Audemars Piguet Platinum Square Watch

Audemars Piguet Platinum Square Watch

Audemars Piguet Platinum Square Watch

$12,000 USD
 
Audemars Piguet White Gold Royal Oak Chronograph Ref. 25978

Audemars Piguet White Gold Royal Oak Chronograph Ref. 25978

Audemars Piguet White Gold Royal Oak Chronograph Ref. 25978

$165,000 USD
New Arrivals Preview
 
Patek Philippe White Gold Perpetual Calendar Ref. 5940 (New Arrival)

Patek Philippe White Gold Perpetual Calendar Ref. 5940 (New Arrival)

Patek Philippe White Gold Perpetual Calendar Ref. 5940 (New Arrival)

$50,000 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.

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