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Audemars Piguet - Audemars Piguet Yellow Gold Calendar Strap Watch - The Keystone Watches

Audemars Piguet Yellow Gold Calendar Strap Watch

Audemars Piguet Yellow Gold Calendar Strap Watch

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 3796 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 3796

Patek Philippe White Gold Calatrava Watch Ref. 3796

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Nick Faldo Edition Watch - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Nick Faldo Edition Watch

Audemars Piguet Rose Gold Royal Oak Nick Faldo Edition Watch

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Audemars Piguet - Audemars Piguet White Royal Gold Royal Oak Emerald & Diamond Watch - The Keystone Watches

Audemars Piguet White Royal Gold Royal Oak Emerald & Diamond Watch

Audemars Piguet White Royal Gold Royal Oak Emerald & Diamond Watch

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Rolex - Rolex Rose Gold Cellini Strap Watch Ref. 50515 - The Keystone Watches

Rolex Rose Gold Cellini Strap Watch Ref. 50515

Rolex Rose Gold Cellini Strap Watch Ref. 50515

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Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5066 - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5066

Patek Philippe Aquanaut Automatic Watch Ref. 5066

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Rolex - Rolex Yellow Gold Day-Date Watch Ref. 18038 - The Keystone Watches

Rolex Yellow Gold Day-Date Watch Ref. 18038

Rolex Yellow Gold Day-Date Watch Ref. 18038

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Vacheron Constantin - Vacheron Constantin Platinum Perpetual Calendar Chrono Watch Ref. 49005 - The Keystone Watches

Vacheron Constantin Platinum Perpetual Calendar Chrono Watch Ref. 49005

Vacheron Constantin Platinum Perpetual Calendar Chrono Watch Ref. 49005

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Rolex - Rolex Yellow Gold Cosmograph Daytona Zenith Watch Ref. 16528 - The Keystone Watches

Rolex Yellow Gold Cosmograph Daytona Zenith Watch Ref. 16528

Rolex Yellow Gold Cosmograph Daytona Zenith Watch Ref. 16528

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Rolex - Rolex Cellini Yellow Gold with Sapphire Bezen and Diamond Dial Ref. 5019/8 - The Keystone Watches

Rolex Cellini Yellow Gold with Sapphire Bezen and Diamond Dial Ref. 5019/8

Rolex Cellini Yellow Gold with Sapphire Bezen and Diamond Dial Ref. 5019/8

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Rolex - Rolex Day-Date White Gold with Baguette Bezel and Pave Dial Ref. 218399BR - The Keystone Watches

Rolex Day-Date White Gold with Baguette Bezel and Pave Dial Ref. 218399BR

Rolex Day-Date White Gold with Baguette Bezel and Pave Dial Ref. 218399BR

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Patek Philippe - Patek Philippe Rose Gold Calatrava Watch Ref. 5119 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Watch Ref. 5119

Patek Philippe Rose Gold Calatrava Watch Ref. 5119

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Original Box and Papers - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Original Box and Papers

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Original Box and Papers

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Cartier - Cartier White Gold Ballon Bleu Diamond Watch - The Keystone Watches

Cartier White Gold Ballon Bleu Diamond Watch

Cartier White Gold Ballon Bleu Diamond Watch

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Rolex - Rolex Yellow Gold Day-Date Watch Ref. 18238 in New Old Stock Condition - The Keystone Watches

Rolex Yellow Gold Day-Date Watch Ref. 18238 in New Old Stock Condition

Rolex Yellow Gold Day-Date Watch Ref. 18238 in New Old Stock Condition

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Dual Time Watch Ref. 26120 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Dual Time Watch Ref. 26120

Audemars Piguet Yellow Gold Royal Oak Dual Time Watch Ref. 26120

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Patek Philippe - Patek Philippe White Gold Calatrava Automatic Watch Ref. 6000 - The Keystone Watches

Patek Philippe White Gold Calatrava Automatic Watch Ref. 6000

Patek Philippe White Gold Calatrava Automatic Watch Ref. 6000

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Rolex - Rolex Yellow Gold Date Diamond Watch Ref. 15238 - The Keystone Watches

Rolex Yellow Gold Date Diamond Watch Ref. 15238

Rolex Yellow Gold Date Diamond Watch Ref. 15238

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Rolex - Rolex Steel Cosmograph Daytona Big Red Watch Ref. 6265 - The Keystone Watches

Rolex Steel Cosmograph Daytona Big Red Watch Ref. 6265

Rolex Steel Cosmograph Daytona Big Red Watch Ref. 6265

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Rolex - Rolex Yellow Gold Root Beer GMT-Master II Watch Ref. 16718 - The Keystone Watches

Rolex Yellow Gold Root Beer GMT-Master II Watch Ref. 16718

Rolex Yellow Gold Root Beer GMT-Master II Watch Ref. 16718

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Rolex - Rolex Stainless Steel OysterDate Ref. 6694 - The Keystone Watches

Rolex Stainless Steel OysterDate Ref. 6694

Rolex Stainless Steel OysterDate Ref. 6694

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Rolex - Rolex Pepsi GMT-Master Stainless Steel Ref. 16750 - The Keystone Watches

Rolex Pepsi GMT-Master Stainless Steel Ref. 16750

Rolex Pepsi GMT-Master Stainless Steel Ref. 16750

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New Arrivals Preview
 
Patek Philippe Yellow Gold Rectangular Watch, Retailed by Tiffany & Co. Ref. 431, Circa 1926 (New Arrival)

Patek Philippe Yellow Gold Rectangular Watch, Retailed by Tiffany & Co. Ref. 431, Circa 1926 (New Arrival)

Patek Philippe Yellow Gold Rectangular Watch, Retailed by Tiffany & Co. Ref. 431, Circa 1926 (New Arrival)

$55,000 USD
 
Patek Philippe Platinum Perpetual Calendar Black Dial Watch Ref. 3970 (New Arrival)

Patek Philippe Platinum Perpetual Calendar Black Dial Watch Ref. 3970 (New Arrival)

Patek Philippe Platinum Perpetual Calendar Black Dial Watch Ref. 3970 (New Arrival)

$295,000 USD
 
Breguet Yellow Gold Classique Heures Sautantes Jump Hour Ref. 3420 (New Arrival)

Breguet Yellow Gold Classique Heures Sautantes Jump Hour Ref. 3420 (New Arrival)

Breguet Yellow Gold Classique Heures Sautantes Jump Hour Ref. 3420 (New Arrival)

$55,000 USD
 
Patek Philippe Yellow Gold Calatrava Ref. 1589 with Dore Dial and Portuguese Hallmarks (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 1589 with Dore Dial and Portuguese Hallmarks (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 1589 with Dore Dial and Portuguese Hallmarks (New Arrival)

$39,500 USD
 
Rolex Yellow Gold Oyster Perpetual Day-Date Ref. 1803/8 with Claw Dial (New Arrival)

Rolex Yellow Gold Oyster Perpetual Day-Date Ref. 1803/8 with Claw Dial (New Arrival)

Rolex Yellow Gold Oyster Perpetual Day-Date Ref. 1803/8 with Claw Dial (New Arrival)

$10,800 USD
 
Audemars Piguet Steel Transitional Jumbo Royal Oak Ref. 5402 Rare No Serial Watch (New Arrival)

Audemars Piguet Steel Transitional Jumbo Royal Oak Ref. 5402 Rare No Serial Watch (New Arrival)

Audemars Piguet Steel Transitional Jumbo Royal Oak Ref. 5402 Rare No Serial Watch (New Arrival)

$80,000 USD
 
Patek Philippe White Gold Ref. 2592 (New Arrival)

Patek Philippe White Gold Ref. 2592 (New Arrival)

Patek Philippe White Gold Ref. 2592 (New Arrival)

$11,000 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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