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Piaget White Gold Dancer with Opal Onyx and Diamond Dial Ref. 4132K81

Piaget White Gold Dancer with Opal Onyx and Diamond Dial Ref. 4132K81

Piaget White Gold Dancer with Opal Onyx and Diamond Dial Ref. 4132K81

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Piaget White Gold Mechanical Watch Ref. 9771D2 with Onyx and Diamond

Piaget White Gold Mechanical Watch Ref. 9771D2 with Onyx and Diamond

Piaget White Gold Mechanical Watch Ref. 9771D2 with Onyx and Diamond

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Piaget - Piaget Yellow Gold Polo Ref. 15564 with Rare Black Dial - The Keystone Watches

Piaget Yellow Gold Polo Ref. 15564 with Rare Black Dial

Piaget Yellow Gold Polo Ref. 15564 with Rare Black Dial

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Cartier - Cartier Two-Tone Vendome Ref. 78209 - The Keystone Watches

Cartier Two-Tone Vendome Ref. 78209

Cartier Two-Tone Vendome Ref. 78209

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Cartier - Cartier Yellow Gold Ceinture Ref. 78099 - The Keystone Watches

Cartier Yellow Gold Ceinture Ref. 78099

Cartier Yellow Gold Ceinture Ref. 78099

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Cartier - Cartier Yellow Gold Jumbo Gondole Watch Ref. 97050 - The Keystone Watches

Cartier Yellow Gold Jumbo Gondole Watch Ref. 97050

Cartier Yellow Gold Jumbo Gondole Watch Ref. 97050

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Richard Mille Olympic-Worn, Yohan Blake Tourbillon RM38 Prototype

Richard Mille Olympic-Worn, Yohan Blake Tourbillon RM38 Prototype

Richard Mille Olympic-Worn, Yohan Blake Tourbillon RM38 Prototype

$1,500,000 USD
 
Franck Muller - Franck Muller Platinum Rotor Calendar Ref. 3801S6Q - The Keystone Watches

Franck Muller Platinum Rotor Calendar Ref. 3801S6Q

Franck Muller Platinum Rotor Calendar Ref. 3801S6Q

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Bulgari - Bulgari Tri Color Tubogas Ref. BB1927 - The Keystone Watches

Bulgari Tri Color Tubogas Ref. BB1927

Bulgari Tri Color Tubogas Ref. BB1927

Sold Out

 

Piaget White Gold Mechanical Watch Ref. 9775A6 with Lapis, Diamond and Onyx Dial

Piaget White Gold Mechanical Watch Ref. 9775A6 with Lapis, Diamond and Onyx Dial

Sold Out

 
Piaget - Piaget White Gold Round Watch Ref. 9066D23 with Opal, Onyx and Diamond Dial - The Keystone Watches

Piaget White Gold Round Watch Ref. 9066D23 with Opal, Onyx and Diamond Dial

Piaget White Gold Round Watch Ref. 9066D23 with Opal, Onyx and Diamond Dial

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A. Lange & Sohne - A Lange and Sohne Platinum Lange 1 Ref. 101.025 - The Keystone Watches

A Lange and Sohne Platinum Lange 1 Ref. 101.025

A Lange and Sohne Platinum Lange 1 Ref. 101.025

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IWC White Gold Sapphire and Diamond Cover Watch

IWC White Gold Sapphire and Diamond Cover Watch

IWC White Gold Sapphire and Diamond Cover Watch

$7,800 USD
 
Cartier Yellow Gold Mystery Pocket Watch

Cartier Yellow Gold Mystery Pocket Watch

Cartier Yellow Gold Mystery Pocket Watch

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Cartier - Cartier Rose Gold Baignoire Allongee Ref. WGBA0009 - The Keystone Watches

Cartier Rose Gold Baignoire Allongee Ref. WGBA0009

Cartier Rose Gold Baignoire Allongee Ref. WGBA0009

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Piaget Yellow Gold Round Watch Ref. 8826 with Opal and Diamond Dial

Piaget Yellow Gold Round Watch Ref. 8826 with Opal and Diamond Dial

Piaget Yellow Gold Round Watch Ref. 8826 with Opal and Diamond Dial

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Breguet - Breguet White Gold Power Reserve Moonphase Classique Ref. 3130 on Bracelet - The Keystone Watches

Breguet White Gold Power Reserve Moonphase Classique Ref. 3130 on Bracelet

Breguet White Gold Power Reserve Moonphase Classique Ref. 3130 on Bracelet

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IWC Yellow Gold, Onyx, Coral and Diamond Vintage Watch

IWC Yellow Gold, Onyx, Coral and Diamond Vintage Watch

IWC Yellow Gold, Onyx, Coral and Diamond Vintage Watch

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Breguet Yellow Gold Classique Watch Ref. 3210 (New Arrival)

Breguet Yellow Gold Classique Watch Ref. 3210 (New Arrival)

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Breguet Yellow Gold Perpetual Calendar Watch Ref. 3050BA, Early Series

Breguet Yellow Gold Perpetual Calendar Watch Ref. 3050BA, Early Series

Breguet Yellow Gold Perpetual Calendar Watch Ref. 3050BA, Early Series

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A Lange and Sohne Little Lange 1 Ref. 181.038

A Lange and Sohne Little Lange 1 Ref. 181.038

Sold Out

 

Cartier White Gold Tank Ceinture Watch (New Arrival)

Cartier White Gold Tank Ceinture Watch (New Arrival)

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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 - Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival) - The Keystone Watches

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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