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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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Rolex - Rolex Platinum Day-Date Ref. 118366A with Blue Dial and Factory Baguette Bezel - The Keystone Watches

Rolex Platinum Day-Date Ref. 118366A with Blue Dial and Factory Baguette Bezel

Rolex Platinum Day-Date Ref. 118366A with Blue Dial and Factory Baguette Bezel

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Rolex - Rolex Steel Zenith Daytona Ref. 16520 with Original Warranty - The Keystone Watches

Rolex Steel Zenith Daytona Ref. 16520 with Original Warranty

Rolex Steel Zenith Daytona Ref. 16520 with Original Warranty

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Cartier - Cartier Yellow Gold Santos Dumont Ref. 821053 - The Keystone Watches

Cartier Yellow Gold Santos Dumont Ref. 821053

Cartier Yellow Gold Santos Dumont Ref. 821053

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Cartier Vendome 78090 18k YG Excellent Condition with Very Minor Wear Unisex 18k YG White with Roman Numerals 33 mm Manual Blue Watch Only

Cartier Yellow Gold Vendome Ref. 78090

Cartier Yellow Gold Vendome Ref. 78090

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Cartier - Cartier Yellow Gold Santos Carree Auto Ref. 2960 in Superb Condition (New Arrival) - The Keystone Watches

Cartier Yellow Gold Santos Carree Auto Ref. 2960 in Superb Condition (New Arrival)

Cartier Yellow Gold Santos Carree Auto Ref. 2960 in Superb Condition (New Arrival)

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Cartier Yellow Gold Vendome Watch Ref. 86402352 with Original Sapphires and Diamonds

Cartier Yellow Gold Vendome Watch Ref. 86402352 with Original Sapphires and Diamonds

Cartier Yellow Gold Vendome Watch Ref. 86402352 with Original Sapphires and Diamonds

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Audemars Piguet - Audemars Piguet White Gold Watch Ref. 5436 with Rare Vibrant Blue Dial - The Keystone Watches

Audemars Piguet White Gold Watch Ref. 5436 with Rare Vibrant Blue Dial

Audemars Piguet White Gold Watch Ref. 5436 with Rare Vibrant Blue Dial

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Patek Philippe Yellow Gold Watch Ref. 3506

Patek Philippe Yellow Gold Watch Ref. 3506

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Breguet - Breguet Yellow Gold Classique Watch Ref. 3210 - The Keystone Watches

Breguet Yellow Gold Classique Watch Ref. 3210

Breguet Yellow Gold Classique Watch Ref. 3210

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Patek Philippe - Patek Philippe White Gold Ellipse Ref. 4223 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 4223

Patek Philippe White Gold Ellipse Ref. 4223

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Jaeger LeCoultre White Gold Mystery Ref. 7673

Jaeger LeCoultre White Gold Mystery Ref. 7673

Jaeger LeCoultre White Gold Mystery Ref. 7673

$13,500 USD
 
Piaget - Piaget White Gold Bracelet Watch with Onyx and Diamond Dial - The Keystone Watches

Piaget White Gold Bracelet Watch with Onyx and Diamond Dial

Piaget White Gold Bracelet Watch with Onyx and Diamond Dial

$10,500 USD
 

Cartier Panthere White Gold Original Diamond Panthere Ref. WF3091F3

Cartier Panthere White Gold Original Diamond Panthere Ref. WF3091F3

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Piaget - Piaget White Gold Dancer with Opal Onyx and Diamond Dial Ref. 4132K81 - The Keystone Watches

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

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

$9,800 USD
 
Patek Philippe - Patek Philippe White Gold Mini Ellipse Ref. 3349 - The Keystone Watches

Patek Philippe White Gold Mini Ellipse Ref. 3349

Patek Philippe White Gold Mini Ellipse Ref. 3349

$7,000 USD
 
Audemars Piguet - Audemars Piguet Yellow Gold Enamel Mechanical Watch (New Arrival) - The Keystone Watches

Audemars Piguet Yellow Gold Enamel Mechanical Watch (New Arrival)

Audemars Piguet Yellow Gold Enamel Mechanical Watch (New Arrival)

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Audemars Piguet White Gold Watch with Pave Diamonds and Emeralds

Audemars Piguet White Gold Watch with Pave Diamonds and Emeralds

Audemars Piguet White Gold Watch with Pave Diamonds and Emeralds

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Rolex - Rolex Yellow Gold Day-Date Ref. 18038 with Warm Patina - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 18038 with Warm Patina

Rolex Yellow Gold Day-Date Ref. 18038 with Warm Patina

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Rolex - Rolex Yellow Gold Day-Date Ref. 18038 in Outstanding Condition with Original Warranty - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 18038 in Outstanding Condition with Original Warranty

Rolex Yellow Gold Day-Date Ref. 18038 in Outstanding Condition with Original Warranty

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Rolex - Rolex White Gold Day-Date Ref. 18239 - The Keystone Watches

Rolex White Gold Day-Date Ref. 18239

Rolex White Gold Day-Date Ref. 18239

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Rolex - Rolex Yellow Gold Day-Date Ref. 1803 with Linen Dial and Patina (New Arrival) - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 1803 with Linen Dial and Patina (New Arrival)

Rolex Yellow Gold Day-Date Ref. 1803 with Linen Dial and Patina (New Arrival)

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Rolex - Rolex White Gold Bruce Wayne GMT-Master Diamond & Sapphire Watch Ref. 116749 - The Keystone Watches

Rolex White Gold Bruce Wayne GMT-Master Diamond & Sapphire Watch Ref. 116749

Rolex White Gold Bruce Wayne GMT-Master Diamond & Sapphire Watch Ref. 116749

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Vacheron Constantin - Vacheron Constantin White Gold TV Shaped Watch Ref. 2096 with Attractive Vintage Dial - The Keystone Watches

Vacheron Constantin White Gold TV Shaped Watch Ref. 2096 with Attractive Vintage Dial

Vacheron Constantin White Gold TV Shaped Watch Ref. 2096 with Attractive Vintage Dial

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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

$7,500 USD
 
Patek Philippe - Patek Philippe White Gold Ellipse Ref. 3546 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 3546

Patek Philippe White Gold Ellipse Ref. 3546

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Patek Philippe - Patek Philippe Platinum Calatrava Watch Ref. 570 with Archive - The Keystone Watches

Patek Philippe Platinum Calatrava Watch Ref. 570 with Archive

Patek Philippe Platinum Calatrava Watch Ref. 570 with Archive

$165,000 USD
 
Patek Philippe - Patek Philippe Steel Aquanaut Ref. 5065 (New Arrival) - The Keystone Watches

Patek Philippe Steel Aquanaut Ref. 5065 (New Arrival)

Patek Philippe Steel Aquanaut Ref. 5065 (New Arrival)

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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 Tank Louis Ref. 1612 on Yellow Gold Bracelet - The Keystone Watches

Cartier Yellow Gold Tank Louis Ref. 1612 on Yellow Gold Bracelet

Cartier Yellow Gold Tank Louis Ref. 1612 on Yellow Gold Bracelet

$26,500 USD
 
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 - Richard Mille Olympic-Worn, Yohan Blake Tourbillon RM38 Prototype - The Keystone Watches

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

Sold Out

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

Bulgari Tri Color Tubogas Ref. BB1927

Bulgari Tri Color Tubogas Ref. BB1927

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New Arrivals Preview
 
Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

$23,750 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL) - The Keystone Watches

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

$155,000 USD
 
Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

$14,500 USD
 
Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

$13,250 USD
 
Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

$16,500 USD
 

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

$17,750 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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