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Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 565 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 565

Patek Philippe Yellow Gold Calatrava Watch Ref. 565

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 2526 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 2526

Patek Philippe Yellow Gold Calatrava Watch Ref. 2526

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Audemars Piguet - Audemars Piguet White Gold Bamboo Watch - The Keystone Watches

Audemars Piguet White Gold Bamboo Watch

Audemars Piguet White Gold Bamboo Watch

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Jaeger LeCoultre - Jaeger LeCoultre White Gold Tonneau Mystery - The Keystone Watches

Jaeger LeCoultre White Gold Tonneau Mystery

Jaeger LeCoultre White Gold Tonneau Mystery

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3800/103 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800/103

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800/103

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Patek Philippe - Patek Philippe White Gold Elliipse Watch Ref. 3548 - The Keystone Watches

Patek Philippe White Gold Elliipse Watch Ref. 3548

Patek Philippe White Gold Elliipse Watch Ref. 3548

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Piaget - Piaget Yellow Gold Coin Watch Ref. 900B with Original Warranty - The Keystone Watches

Piaget Yellow Gold Coin Watch Ref. 900B with Original Warranty

Piaget Yellow Gold Coin Watch Ref. 900B with Original Warranty

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Audemars Piguet - Audemars Piguet Yellow Gold Cobra Ref. 5403 with Attractive Aged Dial - The Keystone Watches

Audemars Piguet Yellow Gold Cobra Ref. 5403 with Attractive Aged Dial

Audemars Piguet Yellow Gold Cobra Ref. 5403 with Attractive Aged Dial

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Audemars Piguet - Audemars Piguet White Gold Disco Volante Watch Ref. 5093 - The Keystone Watches

Audemars Piguet White Gold Disco Volante Watch Ref. 5093

Audemars Piguet White Gold Disco Volante Watch Ref. 5093

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Patek Philippe - Patek Philippe Ellipse Skeleton - The Keystone Watches

Patek Philippe Ellipse Skeleton

Patek Philippe Ellipse Skeleton

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Rolex - Rolex White Gold Daytona Blue Beach Ref. 116519 - The Keystone Watches

Rolex White Gold Daytona Blue Beach Ref. 116519

Rolex White Gold Daytona Blue Beach Ref. 116519

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Patek Philippe - Patek Philippe Yellow Gold Vintage Watch Ref. 3858 - The Keystone Watches

Patek Philippe Yellow Gold Vintage Watch Ref. 3858

Patek Philippe Yellow Gold Vintage Watch Ref. 3858

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Patek Philippe - Patek Philippe White Gold Chronograph Ref. 5170G - The Keystone Watches

Patek Philippe White Gold Chronograph Ref. 5170G

Patek Philippe White Gold Chronograph Ref. 5170G

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Ref. 3800 with Factory Diamond and Ruby Dial - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Ref. 3800 with Factory Diamond and Ruby Dial

Patek Philippe Yellow Gold Nautilus Ref. 3800 with Factory Diamond and Ruby Dial

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Ref. 3800/105 with Pave Diamond and Emerald - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Ref. 3800/105 with Pave Diamond and Emerald

Patek Philippe Yellow Gold Nautilus Ref. 3800/105 with Pave Diamond and Emerald

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Audemars Piguet - Audemars Piguet White Gold Tank Watch with Luminous Arabic Numerals - The Keystone Watches

Audemars Piguet White Gold Tank Watch with Luminous Arabic Numerals

Audemars Piguet White Gold Tank Watch with Luminous Arabic Numerals

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Ref. 3800 with Factory Diamond and Ruby Dial - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Ref. 3800 with Factory Diamond and Ruby Dial

Patek Philippe Yellow Gold Nautilus Ref. 3800 with Factory Diamond and Ruby Dial

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Patek Philippe Rose Gold Chronograph Ref. 1579

Patek Philippe Rose Gold Chronograph Ref. 1579

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Audemars Piguet - Audemars Piguet White Gold Cobra Ref. 5403 - The Keystone Watches

Audemars Piguet White Gold Cobra Ref. 5403

Audemars Piguet White Gold Cobra Ref. 5403

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Patek Philippe - Patek Philippe Yellow Gold Rectangular Watch Ref. 10 with Remarkable Engraving Details - The Keystone Watches

Patek Philippe Yellow Gold Rectangular Watch Ref. 10 with Remarkable Engraving Details

Patek Philippe Yellow Gold Rectangular Watch Ref. 10 with Remarkable Engraving Details

$50,000 USD
 

Patek Philippe Yellow Gold Calatrava Ref. 534 with Silver Sector Dial

Patek Philippe Yellow Gold Calatrava Ref. 534 with Silver Sector Dial

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Breguet - Breguet White Gold Type XX Transatlantique Ref. 3820 - The Keystone Watches

Breguet White Gold Type XX Transatlantique Ref. 3820

Breguet White Gold Type XX Transatlantique Ref. 3820

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Patek Philippe - Patek Philippe Steel Aquanaut First Series Watch Ref. 5060 - The Keystone Watches

Patek Philippe Steel Aquanaut First Series Watch Ref. 5060

Patek Philippe Steel Aquanaut First Series Watch Ref. 5060

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Rolex - Rolex White Gold Daytona Ref. 116519 with Original Sticker on Back - The Keystone Watches

Rolex White Gold Daytona Ref. 116519 with Original Sticker on Back

Rolex White Gold Daytona Ref. 116519 with Original Sticker on Back

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Rolex - Rolex White Gold Day Date Ref. 18039 with Blue Tritium Dial - The Keystone Watches

Rolex White Gold Day Date Ref. 18039 with Blue Tritium Dial

Rolex White Gold Day Date Ref. 18039 with Blue Tritium Dial

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Rolex - Rolex Steel GMT Master Ref. 1675 with Gilt Chapter Ring Dial - The Keystone Watches

Rolex Steel GMT Master Ref. 1675 with Gilt Chapter Ring Dial

Rolex Steel GMT Master Ref. 1675 with Gilt Chapter Ring Dial

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Ref. 5040 retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Ref. 5040 retailed by Tiffany & Co.

Patek Philippe Rose Gold Perpetual Calendar Ref. 5040 retailed by Tiffany & Co.

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Patek Philippe - Patek Philippe Platinum Grand Complication Ref. 5016 - The Keystone Watches

Patek Philippe Platinum Grand Complication Ref. 5016

Patek Philippe Platinum Grand Complication Ref. 5016

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Blancpain - Blancpain Platinum Leman Tourbillon Perpetual Calendar 8 Days Watch Ref. 2625 - The Keystone Watches

Blancpain Platinum Leman Tourbillon Perpetual Calendar 8 Days Watch Ref. 2625

Blancpain Platinum Leman Tourbillon Perpetual Calendar 8 Days Watch Ref. 2625

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Rolex - Rolex Steel Daytona Big Red Ref. 6263 with Box and Papers - The Keystone Watches

Rolex Steel Daytona Big Red Ref. 6263 with Box and Papers

Rolex Steel Daytona Big Red Ref. 6263 with Box and Papers

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Patek Philippe White Gold Calatrava Ref. 3445

Patek Philippe White Gold Calatrava Ref. 3445

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Rolex - Rolex White Gold Day Date ref. 18239 with Black Tritium Dial - The Keystone Watches

Rolex White Gold Day Date ref. 18239 with Black Tritium Dial

Rolex White Gold Day Date ref. 18239 with Black Tritium Dial

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Rolex - Rolex Steel Cosmograph Daytona Ref. 6239 - The Keystone Watches

Rolex Steel Cosmograph Daytona Ref. 6239

Rolex Steel Cosmograph Daytona Ref. 6239

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Audemars Piguet Steel Royal Oak Quantieme Perpetual Ref. 25820

Audemars Piguet Steel Royal Oak Quantieme Perpetual Ref. 25820

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold World Time Watch Ref. 1415 - The Keystone Watches

Patek Philippe Yellow Gold World Time Watch Ref. 1415

Patek Philippe Yellow Gold World Time Watch Ref. 1415

Sold Out

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New Arrivals Preview
 
A. Lange & Sohne White Gold Lange 1 Ref. 101.039 (New Arrival)

A. Lange & Sohne White Gold Lange 1 Ref. 101.039 (New Arrival)

A. Lange & Sohne White Gold Lange 1 Ref. 101.039 (New Arrival)

$29,000 USD
 

Patek Philippe White Gold Golden Ellipse Watch Ref. 3644 on Chain JPE Band (New Arrival)

Patek Philippe White Gold Golden Ellipse Watch Ref. 3644 on Chain JPE Band (New Arrival)

$11,500 USD
 
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
 

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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