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

Patek Philippe Platinum World Time Watch Ref. 5110

Patek Philippe Platinum World Time Watch Ref. 5110

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

Patek Philippe Platinum World Time Watch Ref. 5110

Patek Philippe Platinum World Time Watch Ref. 5110

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

Patek Philippe Platinum World Time Watch Ref. 5110

Patek Philippe Platinum World Time Watch Ref. 5110

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Patek Philippe - Patek Philippe Platinum World Time Watch Ref. 5130 - The Keystone Watches

Patek Philippe Platinum World Time Watch Ref. 5130

Patek Philippe Platinum World Time Watch Ref. 5130

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Patek Philippe - Patek Philippe Platinum World Time Watch Ref. 5130 - The Keystone Watches

Patek Philippe Platinum World Time Watch Ref. 5130

Patek Philippe Platinum World Time Watch Ref. 5130

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Patek Philippe - Patek Philippe Platinum World Time Watch Ref. 5131 - The Keystone Watches

Patek Philippe Platinum World Time Watch Ref. 5131

Patek Philippe Platinum World Time Watch Ref. 5131

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Patek Philippe - Patek Philippe Platinum World Time Watch Ref. 5131 - The Keystone Watches

Patek Philippe Platinum World Time Watch Ref. 5131

Patek Philippe Platinum World Time Watch Ref. 5131

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Patek Philippe Platinum World Time Watch Ref. 5131, Single Sealed

Patek Philippe Platinum World Time Watch Ref. 5131, Single Sealed

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Patek Philippe - Patek Philippe Rare Handcrafts Grand Canyon Watch Ref. 5089 - The Keystone Watches

Patek Philippe Rare Handcrafts Grand Canyon Watch Ref. 5089

Patek Philippe Rare Handcrafts Grand Canyon Watch Ref. 5089

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Patek Philippe - Patek Philippe Rectangular Platinum & Baguette Diamond Watch Ref. 5007 - The Keystone Watches

Patek Philippe Rectangular Platinum & Baguette Diamond Watch Ref. 5007

Patek Philippe Rectangular Platinum & Baguette Diamond Watch Ref. 5007

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Patek Philippe - Patek Philippe Rose Gold 10-Day Power Reserve Watch Ref. 5100R - The Keystone Watches

Patek Philippe Rose Gold 10-Day Power Reserve Watch Ref. 5100R

Patek Philippe Rose Gold 10-Day Power Reserve Watch Ref. 5100R

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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 Rose Gold 10-Day Tourbillon Watch Ref. 5101, Single Sealed

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

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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 Rose Gold Annual Calendar Advanced Research Ref. 5350R - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Advanced Research Ref. 5350R

Patek Philippe Rose Gold Annual Calendar Advanced Research Ref. 5350R

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Chrono Watch Ref. 5960 - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Chrono Watch Ref. 5960

Patek Philippe Rose Gold Annual Calendar Chrono Watch Ref. 5960

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5905R - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5905R

Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5905R

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5960 - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5960

Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5960

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5961R with Factory Diamonds - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5961R with Factory Diamonds

Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5961R with Factory Diamonds

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Moonphase Watch Ref. 5205 - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Moonphase Watch Ref. 5205

Patek Philippe Rose Gold Annual Calendar Moonphase Watch Ref. 5205

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Patek Philippe Rose Gold Annual Calendar Ref. 5035, One of 100 Made for AC Milan

Patek Philippe Rose Gold Annual Calendar Ref. 5035, One of 100 Made for AC Milan

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Watch Ref. 5035R - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5035R

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5035R

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Watch Ref. 5146 - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5146

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5146

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Watch Ref. 5396 - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5396

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5396

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Watch Ref. 5396R - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5396R

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5396R

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Patek Philippe - Patek Philippe Rose Gold Aquanaut Diamond Watch Ref. 5167/300R - The Keystone Watches

Patek Philippe Rose Gold Aquanaut Diamond Watch Ref. 5167/300R

Patek Philippe Rose Gold Aquanaut Diamond Watch Ref. 5167/300R

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Patek Philippe - Patek Philippe Rose Gold Aquanaut Travel Time Watch Ref. 5164R - The Keystone Watches

Patek Philippe Rose Gold Aquanaut Travel Time Watch Ref. 5164R

Patek Philippe Rose Gold Aquanaut Travel Time Watch Ref. 5164R

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Patek Philippe - Patek Philippe Rose Gold Aquanaut Watch Ref. 5164 - The Keystone Watches

Patek Philippe Rose Gold Aquanaut Watch Ref. 5164

Patek Philippe Rose Gold Aquanaut Watch Ref. 5164

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Patek Philippe - Patek Philippe Rose Gold Aquanaut Watch Ref. 5164 - The Keystone Watches

Patek Philippe Rose Gold Aquanaut Watch Ref. 5164

Patek Philippe Rose Gold Aquanaut Watch Ref. 5164

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Patek Philippe - Patek Philippe Rose Gold Aquanaut Watch Ref. 5164 - The Keystone Watches

Patek Philippe Rose Gold Aquanaut Watch Ref. 5164

Patek Philippe Rose Gold Aquanaut Watch Ref. 5164

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Patek Philippe - Patek Philippe Rose Gold Aquanaut Watch Ref. 5164 - The Keystone Watches

Patek Philippe Rose Gold Aquanaut Watch Ref. 5164

Patek Philippe Rose Gold Aquanaut Watch Ref. 5164

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Patek Philippe - Patek Philippe Rose Gold Aquanaut Watch Ref. 5167R - The Keystone Watches

Patek Philippe Rose Gold Aquanaut Watch Ref. 5167R

Patek Philippe Rose Gold Aquanaut Watch Ref. 5167R

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Patek Philippe - Patek Philippe Rose Gold Bracelet Watch Retailed by Freccero (NEW ARRIVAL) - The Keystone Watches

Patek Philippe Rose Gold Bracelet Watch Retailed by Freccero (NEW ARRIVAL)

Patek Philippe Rose Gold Bracelet Watch Retailed by Freccero (NEW ARRIVAL)

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Patek Philippe - Patek Philippe Rose Gold Calatrava Enamel Dial Watch Ref. 5115 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Enamel Dial Watch Ref. 5115

Patek Philippe Rose Gold Calatrava Enamel Dial Watch Ref. 5115

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Patek Philippe - Patek Philippe Rose Gold Calatrava Pilot Travel Time Ref. 5524 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Pilot Travel Time Ref. 5524

Patek Philippe Rose Gold Calatrava Pilot Travel Time Ref. 5524

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Patek Philippe Rose Gold Calatrava Ref. 1594 retailed by Freccero

Patek Philippe Rose Gold Calatrava Ref. 1594 retailed by Freccero

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New Arrivals Preview
 
Piaget - Piaget White Gold Mechanical Bracelet Watch Ref. P10178 (New Arrival) - The Keystone Watches

Piaget White Gold Mechanical Bracelet Watch Ref. P10178 (New Arrival)

Piaget White Gold Mechanical Bracelet Watch Ref. P10178 (New Arrival)

$10,750 USD
 
Piaget - Piaget White Gold Watch Ref. 80131 (New Arrival) - The Keystone Watches

Piaget White Gold Watch Ref. 80131 (New Arrival)

Piaget White Gold Watch Ref. 80131 (New Arrival)

$9,500 USD
 
Omega - Omega Yellow Gold Automatic Watch Retailed by Turler (New Arrival) - The Keystone Watches

Omega Yellow Gold Automatic Watch Retailed by Turler (New Arrival)

Omega Yellow Gold Automatic Watch Retailed by Turler (New Arrival)

$4,950 USD
 
Breguet - Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL) - The Keystone Watches

Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL)

Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL)

$7,200 USD
 
Audemars Piguet - Audemars Piguet White Gold Round Watch with Beaded Bracelet and Pave Diamond and Sapphire Dial (New Arrival) - The Keystone Watches

Audemars Piguet White Gold Round Watch with Beaded Bracelet and Pave Diamond and Sapphire Dial (New Arrival)

Audemars Piguet White Gold Round Watch with Beaded Bracelet and Pave Diamond and Sapphire Dial (New Arrival)

$9,800 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
 
Omega - Omega Yellow Gold Vintage Pocket Watch 1182.61 (New Arrival) - The Keystone Watches

Omega Yellow Gold Vintage Pocket Watch 1182.61 (New Arrival)

Omega Yellow Gold Vintage Pocket Watch 1182.61 (New Arrival)

$6,500 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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