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Patek Philippe - Patek Philippe White Gold Ellipse Ref. 3577 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 3577

Patek Philippe White Gold Ellipse Ref. 3577

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ellipse Ref. 3584 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 3584

Patek Philippe White Gold Ellipse Ref. 3584

$10,800 USD
 
Patek Philippe - Patek Philippe White Gold Ellipse Ref. 3589 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 3589

Patek Philippe White Gold Ellipse Ref. 3589

$17,500 USD
 

Patek Philippe White Gold Ellipse Ref. 3598

Patek Philippe White Gold Ellipse Ref. 3598

Sold Out

 

Patek Philippe White Gold Ellipse Ref. 3648 with Tropical Dial

Patek Philippe White Gold Ellipse Ref. 3648 with Tropical Dial

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ellipse Ref. 3748 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 3748

Patek Philippe White Gold Ellipse Ref. 3748

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ellipse Ref. 3748 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 3748

Patek Philippe White Gold Ellipse Ref. 3748

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ellipse Ref. 3748 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 3748

Patek Philippe White Gold Ellipse Ref. 3748

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ellipse Ref. 3788 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 3788

Patek Philippe White Gold Ellipse Ref. 3788

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ellipse Ref. 3798 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 3798

Patek Philippe White Gold Ellipse Ref. 3798

Sold Out

 

Patek Philippe White Gold Ellipse Ref. 3848 with JPE Chain Link Bracelet

Patek Philippe White Gold Ellipse Ref. 3848 with JPE Chain Link Bracelet

Sold Out

 

Patek Philippe White Gold Ellipse Ref. 3848 with JPE Chain Link Bracelet (New Arrival)

Patek Philippe White Gold Ellipse Ref. 3848 with JPE Chain Link Bracelet (New Arrival)

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ellipse Ref. 4175 with Khanjar Dial - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 4175 with Khanjar Dial

Patek Philippe White Gold Ellipse Ref. 4175 with Khanjar Dial

$10,500 USD
 
Patek Philippe - Patek Philippe White Gold Ellipse Ref. 4179 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 4179

Patek Philippe White Gold Ellipse Ref. 4179

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ellipse Ref. 4223 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 4223

Patek Philippe White Gold Ellipse Ref. 4223

Sold Out

 
Patek Philippe White Gold Ellipse Ref. 4226 with Brown Sunburst Dial

Patek Philippe White Gold Ellipse Ref. 4226 with Brown Sunburst Dial

Patek Philippe White Gold Ellipse Ref. 4226 with Brown Sunburst Dial

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ellipse Ref. 4716 with Factory Diamonds Bracelet - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 4716 with Factory Diamonds Bracelet

Patek Philippe White Gold Ellipse Ref. 4716 with Factory Diamonds Bracelet

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ellipse Watch Ref. 3548 - The Keystone Watches

Patek Philippe White Gold Ellipse Watch Ref. 3548

Patek Philippe White Gold Ellipse Watch Ref. 3548

Sold Out

 

Patek Philippe White Gold Ellipse Watch Ref. 3548

Patek Philippe White Gold Ellipse Watch Ref. 3548

Sold Out

 

Patek Philippe White Gold Ellipse Watch Ref. 3577

Patek Philippe White Gold Ellipse Watch Ref. 3577

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ellipse Watch Ref. 3584 - The Keystone Watches

Patek Philippe White Gold Ellipse Watch Ref. 3584

Patek Philippe White Gold Ellipse Watch Ref. 3584

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ellipse Watch Ref. 3589 - The Keystone Watches

Patek Philippe White Gold Ellipse Watch Ref. 3589

Patek Philippe White Gold Ellipse Watch Ref. 3589

$14,500 USD
 
Patek Philippe - Patek Philippe White Gold Ellipse Watch Ref. 3648 - The Keystone Watches

Patek Philippe White Gold Ellipse Watch Ref. 3648

Patek Philippe White Gold Ellipse Watch Ref. 3648

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ellipse Watch Ref. 3648, Retailed by Somazzi - The Keystone Watches

Patek Philippe White Gold Ellipse Watch Ref. 3648, Retailed by Somazzi

Patek Philippe White Gold Ellipse Watch Ref. 3648, Retailed by Somazzi

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ellipse Watch with Original Warranty Paper - The Keystone Watches

Patek Philippe White Gold Ellipse Watch with Original Warranty Paper

Patek Philippe White Gold Ellipse Watch with Original Warranty Paper

Sold Out

 
Patek Philippe White Gold Flower Handcraft Ref. 5075

Patek Philippe White Gold Flower Handcraft Ref. 5075

Patek Philippe White Gold Flower Handcraft Ref. 5075

$110,000 USD
 

Patek Philippe White Gold Futuriste Pocket Watch by Gilbert Albert Ref. 798

Patek Philippe White Gold Futuriste Pocket Watch by Gilbert Albert Ref. 798

Sold Out

 

Patek Philippe White Gold Golden Circle Watch Ref. 3644

Patek Philippe White Gold Golden Circle Watch Ref. 3644

Sold Out

 

Patek Philippe White Gold Golden Ellipse on Bracelet Ref. 3739/1

Patek Philippe White Gold Golden Ellipse on Bracelet Ref. 3739/1

Sold Out

 
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

Sold Out

 

Patek Philippe White Gold Golden Ellipse Ref. 3745 with Rare Textured Dial

Patek Philippe White Gold Golden Ellipse Ref. 3745 with Rare Textured Dial

Sold Out

 
Patek Philippe - Patek Philippe White Gold Golden Ellipse Watch Ref. 3545 - The Keystone Watches

Patek Philippe White Gold Golden Ellipse Watch Ref. 3545

Patek Philippe White Gold Golden Ellipse Watch Ref. 3545

Sold Out

 
Patek Philippe White Gold Golden Ellipse Watch Ref. 3644 on Chain JPE Band (New Arrival)

Patek Philippe White Gold Golden Ellipse Watch Ref. 3644 on Chain JPE Band (New Arrival)

Patek Philippe White Gold Golden Ellipse Watch Ref. 3644 on Chain JPE Band (New Arrival)

Sold Out

 
Patek Philippe - Patek Philippe White Gold Gondolo 8-Days Power Reserve Watch Ref. 5200 in Like-New Condition - The Keystone Watches

Patek Philippe White Gold Gondolo 8-Days Power Reserve Watch Ref. 5200 in Like-New Condition

Patek Philippe White Gold Gondolo 8-Days Power Reserve Watch Ref. 5200 in Like-New Condition

Sold Out

 

Patek Philippe White Gold Gondolo Ref. 3528

Patek Philippe White Gold Gondolo Ref. 3528

Sold Out

 

Patek Philippe White Gold Gondolo Ref. 3567 with Original Papers

Patek Philippe White Gold Gondolo Ref. 3567 with Original Papers

Sold Out

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New Arrivals Preview
 
Patek Philippe 565 Retailed by Hausmann & Co. (New Arrival)

Patek Philippe 565 Retailed by Hausmann & Co. (New Arrival)

Patek Philippe 565 Retailed by Hausmann & Co. (New Arrival)

$105,000 USD
 
Cartier Yellow Gold Tonneau Watch, Paris 1991 (New Arrival)

Cartier Yellow Gold Tonneau Watch, Paris 1991 (New Arrival)

Cartier Yellow Gold Tonneau Watch, Paris 1991 (New Arrival)

$11,500 USD
 
Audemars Piguet White Gold Diamond & Sapphire Watch Ref. 14781 with Original Warranty (New Arrival)

Audemars Piguet White Gold Diamond & Sapphire Watch Ref. 14781 with Original Warranty (New Arrival)

Audemars Piguet White Gold Diamond & Sapphire Watch Ref. 14781 with Original Warranty (New Arrival)

$58,000 USD
 
Rolex - Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival) - The Keystone Watches

Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival)

Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival)

$15,500 USD
 
Rolex White Gold Cellini Ref. 4083 (New Arrival)

Rolex White Gold Cellini Ref. 4083 (New Arrival)

Rolex White Gold Cellini Ref. 4083 (New Arrival)

$4,500 USD
 
Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

$9,800 USD
 
Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

$15,000 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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