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A. Lange & Sohne Pink Gold 1815 Tourbillon Watch Ref. 730.032

A. Lange & Sohne Pink Gold 1815 Tourbillon Watch Ref. 730.032

A. Lange & Sohne Pink Gold 1815 Tourbillon Watch Ref. 730.032

$99,000 USD
 
Girard Perregaux Platinum Automatic Tourbillon Watch Ref. 9985

Girard Perregaux Platinum Automatic Tourbillon Watch Ref. 9985

Girard Perregaux Platinum Automatic Tourbillon Watch Ref. 9985

$36,500 USD
 
Audemars Piguet White Gold Edward Piguet Tourbillon Power Reserve Watch Ref. 26006 (New Arrival)

Audemars Piguet White Gold Edward Piguet Tourbillon Power Reserve Watch Ref. 26006 (New Arrival)

Audemars Piguet White Gold Edward Piguet Tourbillon Power Reserve Watch Ref. 26006 (New Arrival)

$48,000 USD
 
Breguet Platinum Tourbillon Ref. 3657PT/12/9V6

Breguet Platinum Tourbillon Ref. 3657PT/12/9V6

Breguet Platinum Tourbillon Ref. 3657PT/12/9V6

$45,000 USD
 
H. Moser & Cie Steel Pioneer Cylindrical Tourbillon Skeleton Ref. 3811-1200

H. Moser & Cie Steel Pioneer Cylindrical Tourbillon Skeleton Ref. 3811-1200

H. Moser & Cie Steel Pioneer Cylindrical Tourbillon Skeleton Ref. 3811-1200

$58,000 USD
 
Cartier White Gold Astrotourbillon Ref. W1556204 (New Arrival)

Cartier White Gold Astrotourbillon Ref. W1556204 (New Arrival)

Cartier White Gold Astrotourbillon Ref. W1556204 (New Arrival)

$42,000 USD
 
Audemars Piguet Platinum Tourbillon Minute Repeater Ref. 25948PT

Audemars Piguet Platinum Tourbillon Minute Repeater Ref. 25948PT

Audemars Piguet Platinum Tourbillon Minute Repeater Ref. 25948PT

$140,000 USD
 
Piaget Rose Gold Altiplano Tourbillon Ref. P11485 with Malachite Marquetry Dial

Piaget Rose Gold Altiplano Tourbillon Ref. P11485 with Malachite Marquetry Dial

Piaget Rose Gold Altiplano Tourbillon Ref. P11485 with Malachite Marquetry Dial

$70,000 USD
 
Girard Perregaux White Gold Triple Bridge Tourbillon Ref. 99350 with Unique Cloisonne Dial

Girard Perregaux White Gold Triple Bridge Tourbillon Ref. 99350 with Unique Cloisonne Dial

Girard Perregaux White Gold Triple Bridge Tourbillon Ref. 99350 with Unique Cloisonne Dial

$85,000 USD
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
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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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