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Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5960 - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5960

Patek Philippe Platinum Chronograph Watch Ref. 5960

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5970 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5970

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5970

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Patek Philippe - Patek Philippe Steel Nautilus Watch Ref. 5711 with Original Box and Papers - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 5711 with Original Box and Papers

Patek Philippe Steel Nautilus Watch Ref. 5711 with Original Box and Papers

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Patek Philippe - Patek Philippe Steel Nautilus Watch Ref. 5711 with Original Box and Papers - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 5711 with Original Box and Papers

Patek Philippe Steel Nautilus Watch Ref. 5711 with Original Box and Papers

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Audemars Piguet - Audemars Piguet White Gold Royal Oak Ref. 15503 Limited Edition for Japan - The Keystone Watches

Audemars Piguet White Gold Royal Oak Ref. 15503 Limited Edition for Japan

Audemars Piguet White Gold Royal Oak Ref. 15503 Limited Edition for Japan

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Patek Philippe - Patek Philippe White Gold Sky Moon Tourbillon Watch Ref. 6002 - The Keystone Watches

Patek Philippe White Gold Sky Moon Tourbillon Watch Ref. 6002

Patek Philippe White Gold Sky Moon Tourbillon Watch Ref. 6002

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Patek Philippe - Patek Philippe White Gold Grand Master Chime Ref. 6300 - The Keystone Watches

Patek Philippe White Gold Grand Master Chime Ref. 6300

Patek Philippe White Gold Grand Master Chime Ref. 6300

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Patek Philippe Platinum Minute Repeater Perpetual Calendar Watch Ref. 5216

Patek Philippe Platinum Minute Repeater Perpetual Calendar Watch Ref. 5216

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Patek Philippe - Patek Philippe White Gold Pilot Watch Ref. 5524 - The Keystone Watches

Patek Philippe White Gold Pilot Watch Ref. 5524

Patek Philippe White Gold Pilot Watch Ref. 5524

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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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Audemars Piguet - Audemars Piguet Steel Skeletonized Royal Oak Ref. 15305ST - The Keystone Watches

Audemars Piguet Steel Skeletonized Royal Oak Ref. 15305ST

Audemars Piguet Steel Skeletonized Royal Oak Ref. 15305ST

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Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5070 - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5070

Patek Philippe Platinum Chronograph Watch Ref. 5070

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Cartier - Cartier Rose Gold Tank Americaine with Original Brown Diamonds Ref. 2482 - The Keystone Watches

Cartier Rose Gold Tank Americaine with Original Brown Diamonds Ref. 2482

Cartier Rose Gold Tank Americaine with Original Brown Diamonds Ref. 2482

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Audemars Piguet - Audemars Piguet White Ceramic Royal Oak Quantieme Perpetual Ref. 26579 - The Keystone Watches

Audemars Piguet White Ceramic Royal Oak Quantieme Perpetual Ref. 26579

Audemars Piguet White Ceramic Royal Oak Quantieme Perpetual Ref. 26579

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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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Rolex - Rolex Yellow Gold Day-Date Rainbow Watch Ref. 128238 - The Keystone Watches

Rolex Yellow Gold Day-Date Rainbow Watch Ref. 128238

Rolex Yellow Gold Day-Date Rainbow Watch Ref. 128238

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

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5140

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

Patek Philippe White Gold Annual Calendar Watch Ref. 5205

Patek Philippe White Gold Annual Calendar Watch Ref. 5205

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Patek Philippe White Gold Sector Dial Annual Calendar Watch Ref. 5396

Patek Philippe White Gold Sector Dial Annual Calendar Watch Ref. 5396

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Patek Philippe - Patek Philippe Platinum Perpetual Split Seconds Chronograph Watch Ref. 5204 - The Keystone Watches

Patek Philippe Platinum Perpetual Split Seconds Chronograph Watch Ref. 5204

Patek Philippe Platinum Perpetual Split Seconds Chronograph Watch Ref. 5204

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Patek Philippe - Patek Philippe Rose Gold Gondolo Ref. 5098 - The Keystone Watches

Patek Philippe Rose Gold Gondolo Ref. 5098

Patek Philippe Rose Gold Gondolo Ref. 5098

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Rolex - Rolex White Gold Day-Date Watch Ref. 118239 with Mother of Pearl and Diamond Dial - The Keystone Watches

Rolex White Gold Day-Date Watch Ref. 118239 with Mother of Pearl and Diamond Dial

Rolex White Gold Day-Date Watch Ref. 118239 with Mother of Pearl and Diamond Dial

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New Arrivals Preview
 
Breguet Platinum and Rose Gold Tourbillon Ref. 3457 (New Arrival)

Breguet Platinum and Rose Gold Tourbillon Ref. 3457 (New Arrival)

Breguet Platinum and Rose Gold Tourbillon Ref. 3457 (New Arrival)

$68,500 USD
 
Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

$125,000 USD
 
Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

$62,000 USD
 
Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

$55,000 USD
 
Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

$21,000 USD
 
Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

$175,000 USD
 
Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

$70,000 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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