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Patek Philippe - Patek Philippe Platinum Grand Complications Minute Repeater Watch Ref. 5207 - The Keystone Watches

Patek Philippe Platinum Grand Complications Minute Repeater Watch Ref. 5207

Patek Philippe Platinum Grand Complications Minute Repeater Watch Ref. 5207

"Price upon request"
 

Patek Philippe Platinum Split Seconds Monopusher Chronograph 5959

Patek Philippe Platinum Split Seconds Monopusher Chronograph 5959

"Price upon request"
 
Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013  (Private Sale) - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013 (Private Sale)

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013 (Private Sale)

"Price upon request"
 
Patek Philippe - Patek Philippe Yellow Gold World Time Watch Ref. 1415 - The Keystone Watches

Patek Philippe Yellow Gold World Time Watch Ref. 1415

Patek Philippe Yellow Gold World Time Watch Ref. 1415

"Price upon request"
 
Patek Philippe - Patek Philippe Rose Gold Chronograph Ref. 591 retailed by Walser Wald (Private Sale) - The Keystone Watches

Patek Philippe Rose Gold Chronograph Ref. 591 retailed by Walser Wald (Private Sale)

Patek Philippe Rose Gold Chronograph Ref. 591 retailed by Walser Wald (Private Sale)

"Price upon request"
 
Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Ref. 3448 on a Bracelet (Private Sale) - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3448 on a Bracelet (Private Sale)

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3448 on a Bracelet (Private Sale)

"Price upon request"
 
Patek Philippe - Patek Philippe Yellow Gold Calatrava Ref. 2482 (New Arrival) - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Ref. 2482 (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 2482 (New Arrival)

$11,500 USD
 
Patek Philippe Steel Tonneau Watch Ref. 3574

Patek Philippe Steel Tonneau Watch Ref. 3574

Patek Philippe Steel Tonneau Watch Ref. 3574

$14,500 USD
 

Patek Philippe Yellow Gold Pocket Watch Ref. 652 Retailed by Tiffany & Co.

Patek Philippe Yellow Gold Pocket Watch Ref. 652 Retailed by Tiffany & Co.

$8,000 USD
 
Patek Philippe White Gold Ellipse Ref. 3584

Patek Philippe White Gold Ellipse Ref. 3584

Patek Philippe White Gold Ellipse Ref. 3584

$10,800 USD
 
Patek Philippe Yellow Gold Tigerseye Watch Ref. 4282

Patek Philippe Yellow Gold Tigerseye Watch Ref. 4282

Patek Philippe Yellow Gold Tigerseye Watch Ref. 4282

$13,000 USD
 
Patek Philippe - Patek Philippe White Gold Square Watch Ref. 3430 - The Keystone Watches

Patek Philippe White Gold Square Watch Ref. 3430

Patek Philippe White Gold Square Watch Ref. 3430

$7,500 USD
 
Patek Phillipe Yellow Gold Gondolo Ref. 5024

Patek Phillipe Yellow Gold Gondolo Ref. 5024

Patek Phillipe Yellow Gold Gondolo Ref. 5024

$11,000 USD
 
Patek Philippe Vintage Yellow Gold Ellipse Ref 3845 on JPE Bracelet

Patek Philippe Vintage Yellow Gold Ellipse Ref 3845 on JPE Bracelet

Patek Philippe Vintage Yellow Gold Ellipse Ref 3845 on JPE Bracelet

$10,000 USD
 
Patek Calatrava Yellow Gold Calatrava Ref. 3919 with Gubelin Dial

Patek Calatrava Yellow Gold Calatrava Ref. 3919 with Gubelin Dial

Patek Calatrava Yellow Gold Calatrava Ref. 3919 with Gubelin Dial

$13,000 USD
 
Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 2593, Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 2593, Retailed by Tiffany & Co.

Patek Philippe Yellow Gold Calatrava Watch Ref. 2593, Retailed by Tiffany & Co.

$12,000 USD
 
Patek Philippe White Gold Calatrava Ref. 3468 with Original Warranty

Patek Philippe White Gold Calatrava Ref. 3468 with Original Warranty

Patek Philippe White Gold Calatrava Ref. 3468 with Original Warranty

$9,000 USD
 
Patek Philippe - Patek Philippe Yellow Gold Vintage Watch Ref. 3319 Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Yellow Gold Vintage Watch Ref. 3319 Retailed by Tiffany & Co.

Patek Philippe Yellow Gold Vintage Watch Ref. 3319 Retailed by Tiffany & Co.

$10,000 USD
 
Patek Philippe White Gold Backwind Calatrava Ref. 3563 with Original Warranty

Patek Philippe White Gold Backwind Calatrava Ref. 3563 with Original Warranty

Patek Philippe White Gold Backwind Calatrava Ref. 3563 with Original Warranty

$10,500 USD
 
Patek Philippe - Patek Philippe Yellow Gold Watch Ref. 4890 - The Keystone Watches

Patek Philippe Yellow Gold Watch Ref. 4890

Patek Philippe Yellow Gold Watch Ref. 4890

$9,000 USD
 
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 Yellow Gold Calatrava Ref. 3796

Patek Philippe Yellow Gold Calatrava Ref. 3796

Patek Philippe Yellow Gold Calatrava Ref. 3796

$10,800 USD
 
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

$7,500 USD
 
Patek Philippe - Patek Philippe White Gold Mini Ellipse Ref. 3349 - The Keystone Watches

Patek Philippe White Gold Mini Ellipse Ref. 3349

Patek Philippe White Gold Mini Ellipse Ref. 3349

$7,000 USD
 

Patek Philippe White Gold Ellipse Ref. 3798

Patek Philippe White Gold Ellipse Ref. 3798

$11,500 USD
 
Patek Philippe - Patek Philippe Yellow Gold and Enamel Pocket Watch, Circa 1904 - The Keystone Watches

Patek Philippe Yellow Gold and Enamel Pocket Watch, Circa 1904

Patek Philippe Yellow Gold and Enamel Pocket Watch, Circa 1904

$9,750 USD
 
Patek Philippe - Patek Philippe Yellow Gold Pocket Watch with Guilloche Dial - The Keystone Watches

Patek Philippe Yellow Gold Pocket Watch with Guilloche Dial

Patek Philippe Yellow Gold Pocket Watch with Guilloche Dial

$9,750 USD
 
Patek Philippe White Gold Gondolo Ref. 3571 with Textured Blue Dial and JPE Bracelet

Patek Philippe White Gold Gondolo Ref. 3571 with Textured Blue Dial and JPE Bracelet

Patek Philippe White Gold Gondolo Ref. 3571 with Textured Blue Dial and JPE Bracelet

$9,500 USD
 
Patek Philippe - Patek Philippe Yellow Gold Watch Ref. 2488 Retailed by Gubelin - The Keystone Watches

Patek Philippe Yellow Gold Watch Ref. 2488 Retailed by Gubelin

Patek Philippe Yellow Gold Watch Ref. 2488 Retailed by Gubelin

$8,800 USD
 
Patek Philippe - Patek Philippe Yellow Gold and White Enamel Cufflinks (Objet) - The Keystone Watches

Patek Philippe Yellow Gold and White Enamel Cufflinks (Objet)

Patek Philippe Yellow Gold and White Enamel Cufflinks (Objet)

$3,800 USD
 
Patek Philippe - Patek Philippe White Gold Ellipse Cufflinks Ref. 9003 (Objet) - The Keystone Watches

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

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

$3,800 USD
 
Patek Philippe - Patek Philippe Yellow Gold Calatrava Ref. 1471 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Ref. 1471

Patek Philippe Yellow Gold Calatrava Ref. 1471

$9,500 USD
 

Patek Philippe White Gold Ellipse Cufflinks Ref. 3748 with Diamonds (Objet)

Patek Philippe White Gold Ellipse Cufflinks Ref. 3748 with Diamonds (Objet)

$5,500 USD
 
Patek Philippe - Patek Philippe White Gold and Black Enamel Cufflinks (Objet) - The Keystone Watches

Patek Philippe White Gold and Black Enamel Cufflinks (Objet)

Patek Philippe White Gold and Black Enamel Cufflinks (Objet)

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

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

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

$4,500 USD
New Arrivals Preview
 
Patek Philippe - Patek Philippe Yellow Gold Calatrava Ref. 2482 (New Arrival) - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Ref. 2482 (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 2482 (New Arrival)

$11,500 USD
 
Louis Vuitton - Louis Vuitton Green Ceramic Monterey II (New Arrival) - The Keystone Watches

Louis Vuitton Green Ceramic Monterey II (New Arrival)

Louis Vuitton Green Ceramic Monterey II (New Arrival)

$8,800 USD
 

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

$17,750 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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