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Patek Philippe Yellow Gold Calatrava Watch Ref. 1578 (New Arrival)

Patek Philippe Yellow Gold Calatrava Watch Ref. 1578 (New Arrival)

Patek Philippe Yellow Gold Calatrava Watch Ref. 1578 (New Arrival)

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Patek Philippe Rose Gold Cushion Watch Ref. 2444 (New Arrival)

Patek Philippe Rose Gold Cushion Watch Ref. 2444 (New Arrival)

Patek Philippe Rose Gold Cushion Watch Ref. 2444 (New Arrival)

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Cartier Yellow Gold Tank Louis Watch Ref. 78227 with Diamonds & Sapphires

Cartier Yellow Gold Tank Louis Watch Ref. 78227 with Diamonds & Sapphires

Cartier Yellow Gold Tank Louis Watch Ref. 78227 with Diamonds & Sapphires

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Gerald Genta Steel Retrograde Mickey Mouse Watch Ref. G3612

Gerald Genta Steel Retrograde Mickey Mouse Watch Ref. G3612

Gerald Genta Steel Retrograde Mickey Mouse Watch Ref. G3612

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Patek Philippe Yellow Gold Nautilus Ref. 3800 (New Arrival)

Patek Philippe Yellow Gold Nautilus Ref. 3800 (New Arrival)

Patek Philippe Yellow Gold Nautilus Ref. 3800 (New Arrival)

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Cartier Yellow Gold Round Santos Ref. 0906 with Red Dial and Diamond Markers

Cartier Yellow Gold Round Santos Ref. 0906 with Red Dial and Diamond Markers

Cartier Yellow Gold Round Santos Ref. 0906 with Red Dial and Diamond Markers

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Audemars Piguet White Gold Jumbo Automatic Watch (New Arrival)

Audemars Piguet White Gold Jumbo Automatic Watch (New Arrival)

Audemars Piguet White Gold Jumbo Automatic Watch (New Arrival)

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Patek Steel Calatrava Ref. 3718, Made for 150th Anniversary

Patek Steel Calatrava Ref. 3718, Made for 150th Anniversary

Patek Steel Calatrava Ref. 3718, Made for 150th Anniversary

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A. Lange & Sohne White Gold Lange 1 Ref. 191.039 (New Arrival)

A. Lange & Sohne White Gold Lange 1 Ref. 191.039 (New Arrival)

A. Lange & Sohne White Gold Lange 1 Ref. 191.039 (New Arrival)

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Patek Philippe White Gold Ellipse Ref. 3589

Patek Philippe White Gold Ellipse Ref. 3589

Patek Philippe White Gold Ellipse Ref. 3589

Sold Out

 
Breguet White Gold Heritage Ref. 3490

Breguet White Gold Heritage Ref. 3490

Breguet White Gold Heritage Ref. 3490

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Rolex - Rolex Steel Big Red Daytona Ref. 6263, Circa 1979 - The Keystone Watches

Rolex Steel Big Red Daytona Ref. 6263, Circa 1979

Rolex Steel Big Red Daytona Ref. 6263, Circa 1979

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Rolex Steel Ladies Datejust Ref. 78274 with Sodalite Dial

Rolex Steel Ladies Datejust Ref. 78274 with Sodalite Dial

Rolex Steel Ladies Datejust Ref. 78274 with Sodalite Dial

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Rolex - Rolex Milagauss Ref. 1019 with Non Luminous Dial - The Keystone Watches

Rolex Milagauss Ref. 1019 with Non Luminous Dial

Rolex Milagauss Ref. 1019 with Non Luminous Dial

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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)

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Audemars Piguet - Audemars Piguet Steel Royal Oak Ref 4100 in Like New Condition - The Keystone Watches

Audemars Piguet Steel Royal Oak Ref 4100 in Like New Condition

Audemars Piguet Steel Royal Oak Ref 4100 in Like New Condition

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Rolex - Rolex Steel Daytona Ref. 116520 - The Keystone Watches

Rolex Steel Daytona Ref. 116520

Rolex Steel Daytona Ref. 116520

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Patek Philippe Rose Gold Split Seconds Perpetual Calendar Chronograph Ref. 5204R

Patek Philippe Rose Gold Split Seconds Perpetual Calendar Chronograph Ref. 5204R

Patek Philippe Rose Gold Split Seconds Perpetual Calendar Chronograph Ref. 5204R

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Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel

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Patek Philippe Rose Gold Calatrava Watch Ref. 3796

Patek Philippe Rose Gold Calatrava Watch Ref. 3796

Patek Philippe Rose Gold Calatrava Watch Ref. 3796

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Audemars Piguet - Audemars Piguet Yellow Gold Automatic Bamboo Bullet Bracelet Watch - The Keystone Watches

Audemars Piguet Yellow Gold Automatic Bamboo Bullet Bracelet Watch

Audemars Piguet Yellow Gold Automatic Bamboo Bullet Bracelet Watch

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Patek Philippe - Patek Philippe Steel Automatic Backwind UFO Watch Ref. 3580 - The Keystone Watches

Patek Philippe Steel Automatic Backwind UFO Watch Ref. 3580

Patek Philippe Steel Automatic Backwind UFO Watch Ref. 3580

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New Arrivals Preview
 
Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

$38,000 USD
 
Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

$30,000 USD
 
Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

$60,000 USD
 
Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

$58,000 USD
 
Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

$18,000 USD
 
Cartier Yellow Gold Tank Normale Bracelet Watch  Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

$36,000 USD
 
Cartier - Cartier Yellow Gold Tank Reverso (New Arrival) - The Keystone Watches

Cartier Yellow Gold Tank Reverso (New Arrival)

Cartier Yellow Gold Tank Reverso (New Arrival)

$34,500 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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