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Patek Philippe Yellow Gold Nautilus Ref. 3700 with Original Diamonds

Patek Philippe Yellow Gold Nautilus Ref. 3700 with Original Diamonds

Patek Philippe Yellow Gold Nautilus Ref. 3700 with Original Diamonds

"Price upon request"
 
Patek Philippe White Gold Bracelet Watch Ref. 3430 (New Arrival)

Patek Philippe White Gold Bracelet Watch Ref. 3430 (New Arrival)

Patek Philippe White Gold Bracelet Watch Ref. 3430 (New Arrival)

$15,000 USD
 
Patek Philippe White Gold Ellipse Ref. 3548 (New Arrival)

Patek Philippe White Gold Ellipse Ref. 3548 (New Arrival)

Patek Philippe White Gold Ellipse Ref. 3548 (New Arrival)

$15,000 USD
 
Patek Philippe Yellow Gold Golden Ellipse Ref. 3546 (New Arrival)

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

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

$14,500 USD
 
Patek Philippe - Patek Philippe White Gold Golden Ellipse Ref. 3566 - The Keystone Watches

Patek Philippe White Gold Golden Ellipse Ref. 3566

Patek Philippe White Gold Golden Ellipse Ref. 3566

$15,000 USD
 
Patek Philippe Rose Gold Gondolo Gemma Ref. 4980

Patek Philippe Rose Gold Gondolo Gemma Ref. 4980

Patek Philippe Rose Gold Gondolo Gemma Ref. 4980

$10,800 USD
 
Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers

Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers

Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers

$15,000 USD
 
Patek Philippe Yellow Gold and White Enamel Cufflinks (Objet)

Patek Philippe Yellow Gold and White Enamel Cufflinks (Objet)

Patek Philippe Yellow Gold and White Enamel Cufflinks (Objet)

$3,800 USD
 
Patek Philippe White Gold Ellipse Cufflinks Ref. 9003 (Objet) 29grams

Patek Philippe White Gold Ellipse Cufflinks Ref. 9003 (Objet) 29grams

Patek Philippe White Gold Ellipse Cufflinks Ref. 9003 (Objet) 29grams

$3,800 USD
 
Patek Philippe White Gold and Black Enamel Cufflinks (Objet)

Patek Philippe White Gold and Black Enamel Cufflinks (Objet)

Patek Philippe White Gold and Black Enamel Cufflinks (Objet)

$3,800 USD
 
Patek Philippe 18K Yellow Gold Lapis Cufflinks, 1960s (Objet)

Patek Philippe 18K Yellow Gold Lapis Cufflinks, 1960s (Objet)

Patek Philippe 18K Yellow Gold Lapis Cufflinks, 1960s (Objet)

$4,500 USD
New Arrivals Preview
 
Rolex Steel Oyster Perpetual Ref. 6050 (New Arrival)

Rolex Steel Oyster Perpetual Ref. 6050 (New Arrival)

Rolex Steel Oyster Perpetual Ref. 6050 (New Arrival)

$8,500 USD
 
Audemard Piguet Octagon White Gold Bracelet Watch (New Arrival)

Audemard Piguet Octagon White Gold Bracelet Watch (New Arrival)

Audemard Piguet Octagon White Gold Bracelet Watch (New Arrival)

$20,000 USD
 
Patek Philippe Yellow Gold Calatrava Ref. 3919J (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 3919J (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 3919J (New Arrival)

$128,000 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
 
Patek Philippe White Gold Bracelet Watch Ref. 3430 (New Arrival)

Patek Philippe White Gold Bracelet Watch Ref. 3430 (New Arrival)

Patek Philippe White Gold Bracelet Watch Ref. 3430 (New Arrival)

$15,000 USD
 
Patek Philippe Yellow Gold Cioccolatone Watch Ref. 2486 (New Arrival)

Patek Philippe Yellow Gold Cioccolatone Watch Ref. 2486 (New Arrival)

Patek Philippe Yellow Gold Cioccolatone Watch Ref. 2486 (New Arrival)

$19,500 USD
 
Vacheron Constantin White Gold Toledo Ref. 47300 (New Arrival)

Vacheron Constantin White Gold Toledo Ref. 47300 (New Arrival)

Vacheron Constantin White Gold Toledo Ref. 47300 (New Arrival)

$17,000 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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