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Cartier Platinum Tortue Perpetual Calendar CPCP Watch Ref. 2646

Cartier Platinum Tortue Perpetual Calendar CPCP Watch Ref. 2646

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Rolex Yellow Gold Cosmograph Daytona Watch Ref. 6263

Rolex Yellow Gold Cosmograph Daytona Watch Ref. 6263

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Rolex Yellow Gold Cosmograph Daytona Watch Ref. 6263 with Box and Papers

Rolex Yellow Gold Cosmograph Daytona Watch Ref. 6263 with Box and Papers

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Piaget Yellow Gold Lapis Diamond Watch Ref. 6805

Piaget Yellow Gold Lapis Diamond Watch Ref. 6805

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Vacheron Constantin Yellow Gold Perpetual Calendar Ref. 43031

Vacheron Constantin Yellow Gold Perpetual Calendar Ref. 43031

Sold Out

 

Patek Philippe White Gold Square Watch Ref. 3430

Patek Philippe White Gold Square Watch Ref. 3430

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Patek Philippe - Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074, Double Sealed - The Keystone Watches

Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074, Double Sealed

Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074, Double Sealed

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Audemars Piguet Rose Gold Nick Faldo Royal Oak Ref. 15097

Audemars Piguet Rose Gold Nick Faldo Royal Oak Ref. 15097

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Patek Philippe White Gold Calatrava Ref. 3591

Patek Philippe White Gold Calatrava Ref. 3591

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Rolex Yellow Gold Day-Date Ref. 18238 with Pave Diamonds and Sapphire Markers

Rolex Yellow Gold Day-Date Ref. 18238 with Pave Diamonds and Sapphire Markers

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Piaget Yellow Gold Link Bracelet Watch Ref. 1001

Piaget Yellow Gold Link Bracelet Watch Ref. 1001

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Split Seconds Watch Ref. 5204 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Split Seconds Watch Ref. 5204

Patek Philippe Platinum Perpetual Calendar Split Seconds Watch Ref. 5204

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Cartier - Cartier Yellow Gold Tank Louis Ref. 1140 - The Keystone Watches

Cartier Yellow Gold Tank Louis Ref. 1140

Cartier Yellow Gold Tank Louis Ref. 1140

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Piaget White Gold Mechanical Watch Ref. 9151

Piaget White Gold Mechanical Watch Ref. 9151

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Cartier - Cartier Yellow Gold Cristallor - The Keystone Watches

Cartier Yellow Gold Cristallor

Cartier Yellow Gold Cristallor

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Cartier - Cartier Yellow Gold Tank Normale Watch, European Watch & Clock - The Keystone Watches

Cartier Yellow Gold Tank Normale Watch, European Watch & Clock

Cartier Yellow Gold Tank Normale Watch, European Watch & Clock

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Patek Philippe Steel Nautilus Ref. 3712

Patek Philippe Steel Nautilus Ref. 3712

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Franck Muller - Franck Muller White Gold Double Mystery with Black Diamonds and Sapphires - The Keystone Watches

Franck Muller White Gold Double Mystery with Black Diamonds and Sapphires

Franck Muller White Gold Double Mystery with Black Diamonds and Sapphires

$28,000 USD
 

Patek Philippe Yellow Gold Cufflinks with the Khanjar Emblem of Oman

Patek Philippe Yellow Gold Cufflinks with the Khanjar Emblem of Oman

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Patek Philippe White Gold Calatrava Ref. 3563 with Blue Marker Sigma Dial

Patek Philippe White Gold Calatrava Ref. 3563 with Blue Marker Sigma Dial

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Patek Philippe Yellow Gold Calatrava Ref. 2428

Patek Philippe Yellow Gold Calatrava Ref. 2428

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Chronograph Ref. 3970 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Chronograph Ref. 3970

Patek Philippe Rose Gold Perpetual Calendar Chronograph Ref. 3970

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Audemars Piguet Yellow Gold Skeleton Watch, 1950s

Audemars Piguet Yellow Gold Skeleton Watch, 1950s

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Audemars Piguet White Gold Automatic Watch Ref. 5279

Audemars Piguet White Gold Automatic Watch Ref. 5279

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Patek Philippe Yellow Gold Pocket Watch Ref. 763

Patek Philippe Yellow Gold Pocket Watch Ref. 763

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Vintage Vacheron Constantin White Gold Diamond Watch

Vintage Vacheron Constantin White Gold Diamond Watch

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Patek Philippe - Patek Philippe Rose Gold Celestial Watch Ref. 6102 - The Keystone Watches

Patek Philippe Rose Gold Celestial Watch Ref. 6102

Patek Philippe Rose Gold Celestial Watch Ref. 6102

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Rolex Yellow Gold Date Ref. 1503 with Original Warranty (NEW ARRIVAL)

Rolex Yellow Gold Date Ref. 1503 with Original Warranty (NEW ARRIVAL)

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Patek Philippe Rose Gold Calatrava Ref. 1594 retailed by Freccero

Patek Philippe Rose Gold Calatrava Ref. 1594 retailed by Freccero

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Cartier Yellow Gold Santos Round with Pave Diamond Dial

Cartier Yellow Gold Santos Round with Pave Diamond Dial

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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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Vacheron Constantin - Vacheron Constantin Yellow Gold Watch Ref. 92238 - The Keystone Watches

Vacheron Constantin Yellow Gold Watch Ref. 92238

Vacheron Constantin Yellow Gold Watch Ref. 92238

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Audemars Piguet White Gold and Baguette Diamond Watch

Audemars Piguet White Gold and Baguette Diamond Watch

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Audemars Piguet Platinum Jump Hour Minute Repeater Ref. 26151

Audemars Piguet Platinum Jump Hour Minute Repeater Ref. 26151

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Audemars Piguet Skeletonized Royal Oak Necklace Pocket Watch

Audemars Piguet Skeletonized Royal Oak Necklace Pocket Watch

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Patek Philippe - Patek Philippe White Gold Ultra-Thin Ref. 3588 with Rare Breguet Dial - The Keystone Watches

Patek Philippe White Gold Ultra-Thin Ref. 3588 with Rare Breguet Dial

Patek Philippe White Gold Ultra-Thin Ref. 3588 with Rare Breguet Dial

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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
 

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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