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Patek Philippe - Patek Philippe Platinum Minute Repeater Watch Ref. 5033 - The Keystone Watches

Patek Philippe Platinum Minute Repeater Watch Ref. 5033

Patek Philippe Platinum Minute Repeater Watch Ref. 5033

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Patek Philippe - Patek Philippe Rose Gold Chronograph Watch Ref. 5070, Completely Unworn - The Keystone Watches

Patek Philippe Rose Gold Chronograph Watch Ref. 5070, Completely Unworn

Patek Philippe Rose Gold Chronograph Watch Ref. 5070, Completely Unworn

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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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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

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Patek Philippe - Patek Philippe Yellow Gold World Time Watch Ref. 5110 - The Keystone Watches

Patek Philippe Yellow Gold World Time Watch Ref. 5110

Patek Philippe Yellow Gold World Time Watch Ref. 5110

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Patek Philippe - Patek Philippe Rose Gold 10-Day Tourbillon Watch, Ref. 5101 - The Keystone Watches

Patek Philippe Rose Gold 10-Day Tourbillon Watch, Ref. 5101

Patek Philippe Rose Gold 10-Day Tourbillon Watch, Ref. 5101

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Patek Philippe - Patek Philippe Platinum Split Seconds Perpetual Hand-Engraved Watch Ref. 5951 - The Keystone Watches

Patek Philippe Platinum Split Seconds Perpetual Hand-Engraved Watch Ref. 5951

Patek Philippe Platinum Split Seconds Perpetual Hand-Engraved Watch Ref. 5951

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Watch, Ref. 5270 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Watch, Ref. 5270

Patek Philippe White Gold Perpetual Calendar Chronograph Watch, Ref. 5270

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Retrograde Grey Dial Watch Ref. 5050 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Retrograde Grey Dial Watch Ref. 5050

Patek Philippe Yellow Gold Perpetual Retrograde Grey Dial Watch Ref. 5050

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Patek Philippe - Patek Philippe Platinum Split Seconds Perpetual Monopoissor Chronograph Watch Ref. 5951 - The Keystone Watches

Patek Philippe Platinum Split Seconds Perpetual Monopoissor Chronograph Watch Ref. 5951

Patek Philippe Platinum Split Seconds Perpetual Monopoissor Chronograph Watch Ref. 5951

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Patek Philippe - Patek Philippe Platinum Perpetual Split Seconds Chronograph Watch Ref. 5004 - The Keystone Watches

Patek Philippe Platinum Perpetual Split Seconds Chronograph Watch Ref. 5004

Patek Philippe Platinum Perpetual Split Seconds Chronograph Watch Ref. 5004

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Patek Philippe - Patek Philippe White Gold Perpetual Chronograph Watch Ref. 5270 - The Keystone Watches

Patek Philippe White Gold Perpetual Chronograph Watch Ref. 5270

Patek Philippe White Gold Perpetual Chronograph Watch Ref. 5270

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Automatic Watch Ref. 5140 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Automatic Watch Ref. 5140

Patek Philippe White Gold Perpetual Calendar Automatic Watch Ref. 5140

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Advanced Research Watch Ref. 5550 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Advanced Research Watch Ref. 5550

Patek Philippe Platinum Perpetual Calendar Advanced Research Watch Ref. 5550

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Patek Philippe - Patek Philippe Platinum Advanced Research Annual Calendar Watch Ref. 5450 - The Keystone Watches

Patek Philippe Platinum Advanced Research Annual Calendar Watch Ref. 5450

Patek Philippe Platinum Advanced Research Annual Calendar Watch Ref. 5450

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Patek Philippe - Patek Philippe Rose Gold Grand Complication Watch Ref. 5207, Unworn & Double Sealed - The Keystone Watches

Patek Philippe Rose Gold Grand Complication Watch Ref. 5207, Unworn & Double Sealed

Patek Philippe Rose Gold Grand Complication Watch Ref. 5207, Unworn & Double Sealed

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Patek Philippe - Patek Philippe Platinum Grand Complication Watch Ref. 5207, Unworn & Double Sealed - The Keystone Watches

Patek Philippe Platinum Grand Complication Watch Ref. 5207, Unworn & Double Sealed

Patek Philippe Platinum Grand Complication Watch Ref. 5207, Unworn & Double Sealed

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Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5066 - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5066

Patek Philippe Aquanaut Automatic Watch Ref. 5066

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Patek Philippe - Patek Philippe Aquanaut Watch Ref. 5065 with Original Box, Papers, & Rubber Strap - The Keystone Watches

Patek Philippe Aquanaut Watch Ref. 5065 with Original Box, Papers, & Rubber Strap

Patek Philippe Aquanaut Watch Ref. 5065 with Original Box, Papers, & Rubber Strap

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Tourbillon Watch Ref. 26522 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Tourbillon Watch Ref. 26522

Audemars Piguet Rose Gold Royal Oak Tourbillon Watch Ref. 26522

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Ultra-Thin Watch Ref. 15202 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Ultra-Thin Watch Ref. 15202

Audemars Piguet Rose Gold Royal Oak Ultra-Thin Watch Ref. 15202

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Rolex - Rolex Yellow Gold Daytona Rainbow Watch Ref. 116598 - The Keystone Watches

Rolex Yellow Gold Daytona Rainbow Watch Ref. 116598

Rolex Yellow Gold Daytona Rainbow Watch Ref. 116598

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New Arrivals Preview
 
Vacheron Constantin Two-Tone 222 with Emblem of Saudi Arabia (New Arrival

Vacheron Constantin Two-Tone 222 with Emblem of Saudi Arabia (New Arrival

Vacheron Constantin Two-Tone 222 with Emblem of Saudi Arabia (New Arrival

$55,000 USD
 
Rolex Yellow Gold SARU GMT-Master Watch Ref. 116748 (New Arrival)

Rolex Yellow Gold SARU GMT-Master Watch Ref. 116748 (New Arrival)

Rolex Yellow Gold SARU GMT-Master Watch Ref. 116748 (New Arrival)

$86,000 USD
 
Patek Philippe Rose Gold Top Hat Watch Ref. 1450 (New Arrival)

Patek Philippe Rose Gold Top Hat Watch Ref. 1450 (New Arrival)

Patek Philippe Rose Gold Top Hat Watch Ref. 1450 (New Arrival)

$14,000 USD
 
Audemars Piguet Round UFO-Style Bracelet Watch (New Arrival)

Audemars Piguet Round UFO-Style Bracelet Watch (New Arrival)

Audemars Piguet Round UFO-Style Bracelet Watch (New Arrival)

$10,500 USD
 
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
 
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
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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