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Cartier Yellow Gold Tank Louis Cartier Paris (New Arrival)

Cartier Yellow Gold Tank Louis Cartier Paris (New Arrival)

Cartier Yellow Gold Tank Louis Cartier Paris (New Arrival)

Sold Out

 
Cartier Yellow Gold Baignoire Mini Ref. W1510956 (New Arrival)

Cartier Yellow Gold Baignoire Mini Ref. W1510956 (New Arrival)

Cartier Yellow Gold Baignoire Mini Ref. W1510956 (New Arrival)

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Audemars Piguet White Gold Automatic Watch Ref. 5281 (New Arrival)

Audemars Piguet White Gold Automatic Watch Ref. 5281 (New Arrival)

Audemars Piguet White Gold Automatic Watch Ref. 5281 (New Arrival)

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Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3448

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3448

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3448

Sold Out

 
Rolex Yellow Gold Day Date Ref. 18038 with Wood Dial  (New Arrival)

Rolex Yellow Gold Day Date Ref. 18038 with Wood Dial (New Arrival)

Rolex Yellow Gold Day Date Ref. 18038 with Wood Dial (New Arrival)

Sold Out

 
Breguet Platinum Classique Tourbillon Messidor Skeleton Ref. 5335PT (New Arrival)

Breguet Platinum Classique Tourbillon Messidor Skeleton Ref. 5335PT (New Arrival)

Breguet Platinum Classique Tourbillon Messidor Skeleton Ref. 5335PT (New Arrival)

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Patek Philippe Yellow Gold Aquanaut Ref. 5066 (New Arrival)

Patek Philippe Yellow Gold Aquanaut Ref. 5066 (New Arrival)

Patek Philippe Yellow Gold Aquanaut Ref. 5066 (New Arrival)

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Piaget Yellow Gold Bracelet Watch Ref. 12421 with Tigers Eye Dial (New Arrival)

Piaget Yellow Gold Bracelet Watch Ref. 12421 with Tigers Eye Dial (New Arrival)

Piaget Yellow Gold Bracelet Watch Ref. 12421 with Tigers Eye Dial (New Arrival)

Sold Out

 
A. Lange & Sohne Yellow Gold Lange 1 Ref. 101.021 (New Arrival)

A. Lange & Sohne Yellow Gold Lange 1 Ref. 101.021 (New Arrival)

A. Lange & Sohne Yellow Gold Lange 1 Ref. 101.021 (New Arrival)

Sold Out

 
Patek Philippe White Gold Calatrava Ref. 3445 in Minty Condition (New Arrival)

Patek Philippe White Gold Calatrava Ref. 3445 in Minty Condition (New Arrival)

Patek Philippe White Gold Calatrava Ref. 3445 in Minty Condition (New Arrival)

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Patek Philippe Platinum Split Seconds Chronograph Watch Ref. 5951P

Patek Philippe Platinum Split Seconds Chronograph Watch Ref. 5951P

Patek Philippe Platinum Split Seconds Chronograph Watch Ref. 5951P

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Cartier Yellow Gold Tigers Eye Tank Watch, by Piaget (New Arrival)

Cartier Yellow Gold Tigers Eye Tank Watch, by Piaget (New Arrival)

Cartier Yellow Gold Tigers Eye Tank Watch, by Piaget (New Arrival)

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Piaget Yellow Gold Pendent with Coral Dial

Piaget Yellow Gold Pendent with Coral Dial

Piaget Yellow Gold Pendent with Coral Dial

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Patek Philippe Rose Gold Calatrava Ref. 5196 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 5196 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 5196 (New Arrival)

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Patek Philippe White Gold Ellipse Ref. 3745 (New Arrival)

Patek Philippe White Gold Ellipse Ref. 3745 (New Arrival)

Patek Philippe White Gold Ellipse Ref. 3745 (New Arrival)

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Patek Philippe Steel Convertible Ref. 3418 with Service Papers and Pouch (New Arrivals)

Patek Philippe Steel Convertible Ref. 3418 with Service Papers and Pouch (New Arrivals)

Patek Philippe Steel Convertible Ref. 3418 with Service Papers and Pouch (New Arrivals)

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Gerald Genta Steel Retro Fantasy Mickey Mouse Ref. M10 (New Arrival)

Gerald Genta Steel Retro Fantasy Mickey Mouse Ref. M10 (New Arrival)

Gerald Genta Steel Retro Fantasy Mickey Mouse Ref. M10 (New Arrival)

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Audemars Piguet Disco Volante Watch Ref. 5093 (New Arrival)

Audemars Piguet Disco Volante Watch Ref. 5093 (New Arrival)

Audemars Piguet Disco Volante Watch Ref. 5093 (New Arrival)

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Hublot Yellow Gold MDM Red Enamel Tank Watch Ref. 1582.3

Hublot Yellow Gold MDM Red Enamel Tank Watch Ref. 1582.3

Hublot Yellow Gold MDM Red Enamel Tank Watch Ref. 1582.3

"Price upon request"
 
Rolex Steel Paul Newman Daytona Ref. 6262

Rolex Steel Paul Newman Daytona Ref. 6262

Rolex Steel Paul Newman Daytona Ref. 6262

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Cartier Yellow Gold Secret Hidden Shutter Watch, European Watch & Clock (New Arrival)

Cartier Yellow Gold Secret Hidden Shutter Watch, European Watch & Clock (New Arrival)

Cartier Yellow Gold Secret Hidden Shutter Watch, European Watch & Clock (New Arrival)

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Patek Philippe Yellow Gold Golden Ellipse Ref. 3566 Retailed by Tiffany & Co. (New Arrival)

Patek Philippe Yellow Gold Golden Ellipse Ref. 3566 Retailed by Tiffany & Co. (New Arrival)

Patek Philippe Yellow Gold Golden Ellipse Ref. 3566 Retailed by Tiffany & Co. (New Arrival)

Sold Out

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New Arrivals Preview
 
Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers (New Arrival)

$15,000 USD
 
Cartier White Gold Baignoire Mini Ref. W1518956 (New Arrival)

Cartier White Gold Baignoire Mini Ref. W1518956 (New Arrival)

Cartier White Gold Baignoire Mini Ref. W1518956 (New Arrival)

$8,400 USD
 
Gerald Genta Steel Mickey Mouse Ref. G3712 70th Anniversary Watch with Mother of Pearl Dial (New Arrival)

Gerald Genta Steel Mickey Mouse Ref. G3712 70th Anniversary Watch with Mother of Pearl Dial (New Arrival)

Gerald Genta Steel Mickey Mouse Ref. G3712 70th Anniversary Watch with Mother of Pearl Dial (New Arrival)

$18,500 USD
 
Franck Muller Rose Gold Cintree Curvex Perpetual Chronograph Ref. 6850 (New Arrival)

Franck Muller Rose Gold Cintree Curvex Perpetual Chronograph Ref. 6850 (New Arrival)

Franck Muller Rose Gold Cintree Curvex Perpetual Chronograph Ref. 6850 (New Arrival)

$32,000 USD
 
Patek Philippe Yellow Gold Watch Ref. 3859 with Onyx and Mother of Pearl (New Arrival)

Patek Philippe Yellow Gold Watch Ref. 3859 with Onyx and Mother of Pearl (New Arrival)

Patek Philippe Yellow Gold Watch Ref. 3859 with Onyx and Mother of Pearl (New Arrival)

$26,000 USD
 
Cartier Yellow Gold Tonneau Watch, Circa 1950s with European Watch & Clock Movement (New Arrival)

Cartier Yellow Gold Tonneau Watch, Circa 1950s with European Watch & Clock Movement (New Arrival)

Cartier Yellow Gold Tonneau Watch, Circa 1950s with European Watch & Clock Movement (New Arrival)

$22,000 USD
 
Cartier Two-Tone Panthere Ref. 7669 with Rare Obsidian Stone Dial (New Arrival)

Cartier Two-Tone Panthere Ref. 7669 with Rare Obsidian Stone Dial (New Arrival)

Cartier Two-Tone Panthere Ref. 7669 with Rare Obsidian Stone Dial (New Arrival)

$29,000 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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