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Patek Philippe - Patek Philippe White Gold Travel Time Watch Ref. 5110 with Original Box and Papers - The Keystone Watches

Patek Philippe White Gold Travel Time Watch Ref. 5110 with Original Box and Papers

Patek Philippe White Gold Travel Time Watch Ref. 5110 with Original Box and Papers

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Patek Philippe - Patek Philippe White Gold Twenty-4 All Diamond Watch Ref. 4910 - The Keystone Watches

Patek Philippe White Gold Twenty-4 All Diamond Watch Ref. 4910

Patek Philippe White Gold Twenty-4 All Diamond Watch Ref. 4910

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Patek Philippe - Patek Philippe White Gold Ultra-Thin Calatrava Watch Ref. 3512 - The Keystone Watches

Patek Philippe White Gold Ultra-Thin Calatrava Watch Ref. 3512

Patek Philippe White Gold Ultra-Thin Calatrava Watch Ref. 3512

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Patek Philippe - Patek Philippe White Gold Ultra-Thin Ref. 3588 with Rare Breguet Dial - The Keystone Watches

Patek Philippe White Gold Ultra-Thin Ref. 3588 with Rare Breguet Dial

Patek Philippe White Gold Ultra-Thin Ref. 3588 with Rare Breguet Dial

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Patek Philippe - Patek Philippe White Gold Ultra-Thin Watch Ref. 3588 with Breguet Numerals - The Keystone Watches

Patek Philippe White Gold Ultra-Thin Watch Ref. 3588 with Breguet Numerals

Patek Philippe White Gold Ultra-Thin Watch Ref. 3588 with Breguet Numerals

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Patek Philippe - Patek Philippe White Gold Unsual Strap Watch Ref. 4183 - The Keystone Watches

Patek Philippe White Gold Unsual Strap Watch Ref. 4183

Patek Philippe White Gold Unsual Strap Watch Ref. 4183

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Patek Philippe - Patek Philippe White Gold Vintage Ladies Watch Ref. 4217 - The Keystone Watches

Patek Philippe White Gold Vintage Ladies Watch Ref. 4217

Patek Philippe White Gold Vintage Ladies Watch Ref. 4217

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Patek Philippe - Patek Philippe White Gold Vintage Square Watch Ref. 4222 - The Keystone Watches

Patek Philippe White Gold Vintage Square Watch Ref. 4222

Patek Philippe White Gold Vintage Square Watch Ref. 4222

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Patek Philippe White Gold Vintage Watch Ref. 3528

Patek Philippe White Gold Vintage Watch Ref. 3528

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Patek Philippe - Patek Philippe White Gold Watch Ref 3733 with Black Onyx Dial - The Keystone Watches

Patek Philippe White Gold Watch Ref 3733 with Black Onyx Dial

Patek Philippe White Gold Watch Ref 3733 with Black Onyx Dial

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Patek Philippe - Patek Philippe White Gold Watch Ref. 2594 - The Keystone Watches

Patek Philippe White Gold Watch Ref. 2594

Patek Philippe White Gold Watch Ref. 2594

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Patek Philippe - Patek Philippe White Gold Watch Ref. 3729 with Onyx Dial - The Keystone Watches

Patek Philippe White Gold Watch Ref. 3729 with Onyx Dial

Patek Philippe White Gold Watch Ref. 3729 with Onyx Dial

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Patek Philippe White Gold Watch Ref. 4179 (NEW ARRIVAL)

Patek Philippe White Gold Watch Ref. 4179 (NEW ARRIVAL)

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Patek Philippe White Gold Watch Ref. 4217

Patek Philippe White Gold Watch Ref. 4217

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Patek Philippe - Patek Philippe White Gold Watch Ref. 4286 with Onyx Dial - The Keystone Watches

Patek Philippe White Gold Watch Ref. 4286 with Onyx Dial

Patek Philippe White Gold Watch Ref. 4286 with Onyx Dial

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Patek Philippe - Patek Philippe White Gold Watch Ref. 570 with Archive Papers - The Keystone Watches

Patek Philippe White Gold Watch Ref. 570 with Archive Papers

Patek Philippe White Gold Watch Ref. 570 with Archive Papers

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Patek Philippe - Patek Philippe White Gold with blue dial Ref. 3445/6 - The Keystone Watches

Patek Philippe White Gold with blue dial Ref. 3445/6

Patek Philippe White Gold with blue dial Ref. 3445/6

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Patek Philippe - Patek Philippe White Gold World Time 175th Anniversary Ref. 5575 - The Keystone Watches

Patek Philippe White Gold World Time 175th Anniversary Ref. 5575

Patek Philippe White Gold World Time 175th Anniversary Ref. 5575

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Patek Philippe - Patek Philippe White Gold World Time Bracelet Watch Ref. 5130 - The Keystone Watches

Patek Philippe White Gold World Time Bracelet Watch Ref. 5130

Patek Philippe White Gold World Time Bracelet Watch Ref. 5130

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Patek Philippe - Patek Philippe White Gold World Time Chronograph Ref. 5930G - The Keystone Watches

Patek Philippe White Gold World Time Chronograph Ref. 5930G

Patek Philippe White Gold World Time Chronograph Ref. 5930G

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Patek Philippe - Patek Philippe White Gold World Time Chronograph Ref. 5930G - The Keystone Watches

Patek Philippe White Gold World Time Chronograph Ref. 5930G

Patek Philippe White Gold World Time Chronograph Ref. 5930G

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Patek Philippe - Patek Philippe White Gold World Time Cloisonne Watch Ref. 5131 - The Keystone Watches

Patek Philippe White Gold World Time Cloisonne Watch Ref. 5131

Patek Philippe White Gold World Time Cloisonne Watch Ref. 5131

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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
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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