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Patek Philippe - Patek Philippe Platinum Nautilus Watch Ref. 5711 - The Keystone Watches

Patek Philippe Platinum Nautilus Watch Ref. 5711

Patek Philippe Platinum Nautilus Watch Ref. 5711

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Patek Philippe - Patek Philippe Rose Gold Calatrava Enamel Dial Watch Ref. 5115 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Enamel Dial Watch Ref. 5115

Patek Philippe Rose Gold Calatrava Enamel Dial Watch Ref. 5115

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Patek Philippe - Patek Philippe Nautilus Jumbo Watch Ref. 3700 with Original Warranty - The Keystone Watches

Patek Philippe Nautilus Jumbo Watch Ref. 3700 with Original Warranty

Patek Philippe Nautilus Jumbo Watch Ref. 3700 with Original Warranty

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Audemars Piguet - Audemars Piguet Royal Oak Jumbo Jubilee Watch Ref. 14802 - The Keystone Watches

Audemars Piguet Royal Oak Jumbo Jubilee Watch Ref. 14802

Audemars Piguet Royal Oak Jumbo Jubilee Watch Ref. 14802

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Vacheron Constantin - Vacheron Constantin White Gold Watch Ref. 6351 with Original Box and Papers - The Keystone Watches

Vacheron Constantin White Gold Watch Ref. 6351 with Original Box and Papers

Vacheron Constantin White Gold Watch Ref. 6351 with Original Box and Papers

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Rolex - Rolex White Gold Day-Date Watch Ref. 1803 with Original Paper - The Keystone Watches

Rolex White Gold Day-Date Watch Ref. 1803 with Original Paper

Rolex White Gold Day-Date Watch Ref. 1803 with Original Paper

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Rolex - Rolex GMT-Master Watch Ref. 1675 Circa 1977 - The Keystone Watches

Rolex GMT-Master Watch Ref. 1675 Circa 1977

Rolex GMT-Master Watch Ref. 1675 Circa 1977

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Patek Philippe - Patek Philippe Platinum Perpetual Ruby Chronograph Watch Ref. 5271 - The Keystone Watches

Patek Philippe Platinum Perpetual Ruby Chronograph Watch Ref. 5271

Patek Philippe Platinum Perpetual Ruby Chronograph Watch Ref. 5271

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Patek Philippe - Patek Philippe Platinum Enamel Dial Minute Repeater Watch Ref. 5078 - The Keystone Watches

Patek Philippe Platinum Enamel Dial Minute Repeater Watch Ref. 5078

Patek Philippe Platinum Enamel Dial Minute Repeater Watch Ref. 5078

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Patek Philippe - Patek Philippe Rose Gold Chronograph Ref. 5170 - The Keystone Watches

Patek Philippe Rose Gold Chronograph Ref. 5170

Patek Philippe Rose Gold Chronograph Ref. 5170

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Audemars Piguet - Audemars Piguet Royal Oak Offshore Chronograph Watch Ref. 26470 - The Keystone Watches

Audemars Piguet Royal Oak Offshore Chronograph Watch Ref. 26470

Audemars Piguet Royal Oak Offshore Chronograph Watch Ref. 26470

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Audemars Piguet - Audemars Piguet Royal Oak Offshore Diver Watch Ref. 15710 - The Keystone Watches

Audemars Piguet Royal Oak Offshore Diver Watch Ref. 15710

Audemars Piguet Royal Oak Offshore Diver Watch Ref. 15710

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Vacheron Constantin - Vacheron Constantin Rose Gold Saltarello Jump Hour Watch Ref. 43041 - The Keystone Watches

Vacheron Constantin Rose Gold Saltarello Jump Hour Watch Ref. 43041

Vacheron Constantin Rose Gold Saltarello Jump Hour Watch Ref. 43041

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Audemars Piguet - Audemars Piguet White Gold Cushion-Shaped Watch - The Keystone Watches

Audemars Piguet White Gold Cushion-Shaped Watch

Audemars Piguet White Gold Cushion-Shaped Watch

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Patek Philippe - Patek Philippe Steel Tonneau Waterproof Watch Ref. 3579 - The Keystone Watches

Patek Philippe Steel Tonneau Waterproof Watch Ref. 3579

Patek Philippe Steel Tonneau Waterproof Watch Ref. 3579

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Audemars Piguet - Audemars Piguet Rose Gold Skeletonized Ferrari Racing Car Watch, Ref. 14677 - The Keystone Watches

Audemars Piguet Rose Gold Skeletonized Ferrari Racing Car Watch, Ref. 14677

Audemars Piguet Rose Gold Skeletonized Ferrari Racing Car Watch, Ref. 14677

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Patek Philippe - Patek Philiipe White Gold Perpetual Calendar Watch Ref. 5140 - The Keystone Watches

Patek Philiipe White Gold Perpetual Calendar Watch Ref. 5140

Patek Philiipe White Gold Perpetual Calendar Watch Ref. 5140

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Patek Philippe - Patek Philippe White Gold Chronograph Watch Ref. 5070 - The Keystone Watches

Patek Philippe White Gold Chronograph Watch Ref. 5070

Patek Philippe White Gold Chronograph Watch Ref. 5070

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Perpetual Calendar Watch Ref. 26252 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Perpetual Calendar Watch Ref. 26252

Audemars Piguet Rose Gold Royal Oak Perpetual Calendar Watch Ref. 26252

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Rolex - Rolex GMT-Master II Coke Watch Ref. 16710 with Original Box and Papers - The Keystone Watches

Rolex GMT-Master II Coke Watch Ref. 16710 with Original Box and Papers

Rolex GMT-Master II Coke Watch Ref. 16710 with Original Box and Papers

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Cartier - Cartier Yellow Gold Jumbo Tank Automatic Watch - The Keystone Watches

Cartier Yellow Gold Jumbo Tank Automatic Watch

Cartier Yellow Gold Jumbo Tank Automatic Watch

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Rolex - Rolex Yellow Gold Day-Date Mother of Pearl Sapphire Watch Ref. 18238 - The Keystone Watches

Rolex Yellow Gold Day-Date Mother of Pearl Sapphire Watch Ref. 18238

Rolex Yellow Gold Day-Date Mother of Pearl Sapphire Watch Ref. 18238

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Rolex - Rolex R Series Explorer Stainless Steel Ref. 1016 - The Keystone Watches

Rolex R Series Explorer Stainless Steel Ref. 1016

Rolex R Series Explorer Stainless Steel Ref. 1016

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Laurent Ferrier - Laurent Ferrier Galet Square Watch - The Keystone Watches

Laurent Ferrier Galet Square Watch

Laurent Ferrier Galet Square Watch

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Rolex - Rolex White Gold GMT-Master II Pepsi Watch Ref. 116719 - The Keystone Watches

Rolex White Gold GMT-Master II Pepsi Watch Ref. 116719

Rolex White Gold GMT-Master II Pepsi Watch Ref. 116719

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Audemars Piguet - Audemars Piguet White Gold Royal Oak Frosted Watch Ref. 67653 - The Keystone Watches

Audemars Piguet White Gold Royal Oak Frosted Watch Ref. 67653

Audemars Piguet White Gold Royal Oak Frosted Watch Ref. 67653

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Audemars Piguet - Audemars Piguet Royal Oak 41mm Watch Ref. 15400 - The Keystone Watches

Audemars Piguet Royal Oak 41mm Watch Ref. 15400

Audemars Piguet Royal Oak 41mm Watch Ref. 15400

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Diamond Watch - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Diamond Watch

Audemars Piguet Yellow Gold Royal Oak Diamond Watch

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Gevril - Gevril Steel Tribeca Paul Newman Chronograph Watch - The Keystone Watches

Gevril Steel Tribeca Paul Newman Chronograph Watch

Gevril Steel Tribeca Paul Newman Chronograph Watch

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Patek Philippe - Patek Philippe Yellow Gold Pagoda Commemoration 1997 Watch Ref. 5500 - The Keystone Watches

Patek Philippe Yellow Gold Pagoda Commemoration 1997 Watch Ref. 5500

Patek Philippe Yellow Gold Pagoda Commemoration 1997 Watch Ref. 5500

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Patek Philippe - Patek Philippe Yellow Gold Automatic Calatrava Watch Ref. 3439 - The Keystone Watches

Patek Philippe Yellow Gold Automatic Calatrava Watch Ref. 3439

Patek Philippe Yellow Gold Automatic Calatrava Watch Ref. 3439

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Rolex - Rolex Rose Gold Cosmograph Daytona Ref. 116515 - The Keystone Watches

Rolex Rose Gold Cosmograph Daytona Ref. 116515

Rolex Rose Gold Cosmograph Daytona Ref. 116515

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Ultra-Thin Watch Ref. 15202 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Ultra-Thin Watch Ref. 15202

Audemars Piguet Yellow Gold Royal Oak Ultra-Thin Watch Ref. 15202

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Audemars Piguet - Audemars Piguet Steel Royal Oak Watch Ref. 15300 - The Keystone Watches

Audemars Piguet Steel Royal Oak Watch Ref. 15300

Audemars Piguet Steel Royal Oak Watch Ref. 15300

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Sold Out

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

Rolex Yellow Gold Day-Date Lapis Lazuli Watch Ref. 18038

Rolex Yellow Gold Day-Date Lapis Lazuli Watch Ref. 18038

Sold Out

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New Arrivals Preview
 
Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

"Price upon request"
 
Audemars Piguet Yellow Gold Coin Watch (New Arrival)

Audemars Piguet Yellow Gold Coin Watch (New Arrival)

Audemars Piguet Yellow Gold Coin Watch (New Arrival)

$9,500 USD
 
Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

$9,800 USD
 
Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

$18,750 USD
 
Boucheron - Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival) - The Keystone Watches

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

$9,500 USD
 
Rolex - Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival) - The Keystone Watches

Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival)

Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival)

$7,500 USD
 
Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

$15,500 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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