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Patek Philippe White Gold Beta 21 Watch Ref. 3597

Patek Philippe White Gold Beta 21 Watch Ref. 3597

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Rolex Yellow Gold Day Date Ref. 18038 with Missoni Dial

Rolex Yellow Gold Day Date Ref. 18038 with Missoni Dial

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Rolex Yellow Gold Day Date Ref. 18238 with Sapphire String Dial

Rolex Yellow Gold Day Date Ref. 18238 with Sapphire String Dial

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Vacheron Constantin - Vacheron Constantin White Gold Watch Ref. 2044 with Blue Dial - The Keystone Watches

Vacheron Constantin White Gold Watch Ref. 2044 with Blue Dial

Vacheron Constantin White Gold Watch Ref. 2044 with Blue Dial

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Rolex - Rolex Yellow Gold Day-Date Ref. 18388 with Ruby & Diamond Bezel (NEW ARRIVAL) - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 18388 with Ruby & Diamond Bezel (NEW ARRIVAL)

Rolex Yellow Gold Day-Date Ref. 18388 with Ruby & Diamond Bezel (NEW ARRIVAL)

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Rolex - Rolex Yellow Gold Day Date Ref. 18238 with Pinball Dial - The Keystone Watches

Rolex Yellow Gold Day Date Ref. 18238 with Pinball Dial

Rolex Yellow Gold Day Date Ref. 18238 with Pinball Dial

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Rolex - Rolex White Gold Day Date Ref. 1803 in Like New Condition - The Keystone Watches

Rolex White Gold Day Date Ref. 1803 in Like New Condition

Rolex White Gold Day Date Ref. 1803 in Like New Condition

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Rolex Yellow Gold Day Date Ref. 1803 (NEW ARRIVAL)

Rolex Yellow Gold Day Date Ref. 1803 (NEW ARRIVAL)

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Rolex - Rolex Steel Datejust Ref. 16220 Retailed by Tiffany & Co. (NEW ARRIVAL) - The Keystone Watches

Rolex Steel Datejust Ref. 16220 Retailed by Tiffany & Co. (NEW ARRIVAL)

Rolex Steel Datejust Ref. 16220 Retailed by Tiffany & Co. (NEW ARRIVAL)

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Rolex Platinum Day Date Ref. 18206

Rolex Platinum Day Date Ref. 18206

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Patek Philippe - Patek Philippe White Gold Automatic Watch Ref. 3445 - The Keystone Watches

Patek Philippe White Gold Automatic Watch Ref. 3445

Patek Philippe White Gold Automatic Watch Ref. 3445

Sold Out

 

Rolex Two-Tone GMT-Master Ref. 16713

Rolex Two-Tone GMT-Master Ref. 16713

Sold Out

 

Rolex Steel Daytona Ref. 16520 in NOS Condition with Warranty

Rolex Steel Daytona Ref. 16520 in NOS Condition with Warranty

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Patek Philippe - Patek Philippe Platinum Calatrava Watch Ref. 3998 - The Keystone Watches

Patek Philippe Platinum Calatrava Watch Ref. 3998

Patek Philippe Platinum Calatrava Watch Ref. 3998

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Rolex - Rolex Platinum Day-Date Ref. 18366 with Baguette Diamonds - The Keystone Watches

Rolex Platinum Day-Date Ref. 18366 with Baguette Diamonds

Rolex Platinum Day-Date Ref. 18366 with Baguette Diamonds

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940

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Patek Philippe Steel Calatrava Ref. 3483

Patek Philippe Steel Calatrava Ref. 3483

Patek Philippe Steel Calatrava Ref. 3483

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Patek Philippe - Patek Philippe Yellow Gold Ellipse Dor Bracelet Watch Ref. 4151 - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Dor Bracelet Watch Ref. 4151

Patek Philippe Yellow Gold Ellipse Dor Bracelet Watch Ref. 4151

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Rolex - Rolex Steel Datejust Ref. 16220 Retailed by Tiffany & Co. - The Keystone Watches

Rolex Steel Datejust Ref. 16220 Retailed by Tiffany & Co.

Rolex Steel Datejust Ref. 16220 Retailed by Tiffany & Co.

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Ref. 3710/1A - The Keystone Watches

Patek Philippe Steel Nautilus Ref. 3710/1A

Patek Philippe Steel Nautilus Ref. 3710/1A

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Rolex Yellow Gold Datejust Ref. 16238 with Malachite Dial

Rolex Yellow Gold Datejust Ref. 16238 with Malachite Dial

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Rolex - Rolex Steel Submariner Ref. 5513 - The Keystone Watches

Rolex Steel Submariner Ref. 5513

Rolex Steel Submariner Ref. 5513

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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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