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A. Lange & Sohne - A. Lange & Sohne Rose Gold 1815 Flyback Chronograph Watch - The Keystone Watches

A. Lange & Sohne Rose Gold 1815 Flyback Chronograph Watch

A. Lange & Sohne Rose Gold 1815 Flyback Chronograph Watch

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Audemars Piguet - Audemars Piguet Royal Oak Tantalum Championship - The Keystone Watches

Audemars Piguet Royal Oak Tantalum Championship

Audemars Piguet Royal Oak Tantalum Championship

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Roger Dubuis - Roger Dubuis White Gold Sympathie Perpetual Calendar Watch - The Keystone Watches

Roger Dubuis White Gold Sympathie Perpetual Calendar Watch

Roger Dubuis White Gold Sympathie Perpetual Calendar Watch

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Patek Philippe - Patek Philippe Yellow Gold Aquanaut Watch Ref. 5066 - The Keystone Watches

Patek Philippe Yellow Gold Aquanaut Watch Ref. 5066

Patek Philippe Yellow Gold Aquanaut Watch Ref. 5066

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Daniel Roth - Daniel Roth Steel Automatic Chronograph Watch - The Keystone Watches

Daniel Roth Steel Automatic Chronograph Watch

Daniel Roth Steel Automatic Chronograph Watch

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak, Ref. 66270 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak, Ref. 66270

Audemars Piguet Yellow Gold Royal Oak, Ref. 66270

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Patek Philippe - Patek Philippe Rectangular Platinum & Baguette Diamond Watch Ref. 5007 - The Keystone Watches

Patek Philippe Rectangular Platinum & Baguette Diamond Watch Ref. 5007

Patek Philippe Rectangular Platinum & Baguette Diamond Watch Ref. 5007

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Patek Philippe - Patek Philippe Yellow Gold Calatrava, Ref. 2526 Retailed by Serpico Y Laino - The Keystone Watches

Patek Philippe Yellow Gold Calatrava, Ref. 2526 Retailed by Serpico Y Laino

Patek Philippe Yellow Gold Calatrava, Ref. 2526 Retailed by Serpico Y Laino

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Patek Philippe - Patek Philippe Yellow Gold Ellipse Automatic Watch, Ref. 3589 - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Automatic Watch, Ref. 3589

Patek Philippe Yellow Gold Ellipse Automatic Watch, Ref. 3589

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Rolex - Rolex White Gold Cosmograph Rainbow Daytona Watch Ref. 116599 - The Keystone Watches

Rolex White Gold Cosmograph Rainbow Daytona Watch Ref. 116599

Rolex White Gold Cosmograph Rainbow Daytona Watch Ref. 116599

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Audemars Piguet - Audemars Piguet Yellow Gold Baguette Diamond Watch - The Keystone Watches

Audemars Piguet Yellow Gold Baguette Diamond Watch

Audemars Piguet Yellow Gold Baguette Diamond Watch

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Piaget - Piaget Yellow Gold Lapis Diamond Watch, 1970s - The Keystone Watches

Piaget Yellow Gold Lapis Diamond Watch, 1970s

Piaget Yellow Gold Lapis Diamond Watch, 1970s

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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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Rolex - Rolex Yellow Gold Day-Date Watch Ref. 18238 - The Keystone Watches

Rolex Yellow Gold Day-Date Watch Ref. 18238

Rolex Yellow Gold Day-Date Watch Ref. 18238

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

Audemars Piguet Yellow Gold Royal Oak Watch

Audemars Piguet Yellow Gold Royal Oak Watch

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Audemars Piguet - Audemars Piguet White Gold Skeletonized Baguette Diamond Watch - The Keystone Watches

Audemars Piguet White Gold Skeletonized Baguette Diamond Watch

Audemars Piguet White Gold Skeletonized Baguette Diamond Watch

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

Audemars Piguet White Gold Diamond Watch

Audemars Piguet White Gold Diamond Watch

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Patek Philippe - Patek Philippe White Gold Nautilus Baguette Diamond Watch Ref. 3800 - The Keystone Watches

Patek Philippe White Gold Nautilus Baguette Diamond Watch Ref. 3800

Patek Philippe White Gold Nautilus Baguette Diamond Watch Ref. 3800

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Rolex - Rolex Yellow Gold Day-Date Turquoise Diamond Watch Ref. 128238 - The Keystone Watches

Rolex Yellow Gold Day-Date Turquoise Diamond Watch Ref. 128238

Rolex Yellow Gold Day-Date Turquoise Diamond Watch Ref. 128238

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Cartier - Cartier Platinum Diabolo Tourbillon Watch - The Keystone Watches

Cartier Platinum Diabolo Tourbillon Watch

Cartier Platinum Diabolo Tourbillon Watch

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Rolex - Rolex Yellow Gold Sapphire Diamond Watch, 1960s - The Keystone Watches

Rolex Yellow Gold Sapphire Diamond Watch, 1960s

Rolex Yellow Gold Sapphire Diamond Watch, 1960s

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Patek Philippe - Patek Philippe Rose Gold Mechanical Watch - The Keystone Watches

Patek Philippe Rose Gold Mechanical Watch

Patek Philippe Rose Gold Mechanical Watch

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Audemars Piguet - Audemars Piguet Royal Oak Offshore Green Watch - The Keystone Watches

Audemars Piguet Royal Oak Offshore Green Watch

Audemars Piguet Royal Oak Offshore Green Watch

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Rolex - Rolex White Gold Cosmograph Daytona Sapphire Diamond Watch Ref. 116589 - The Keystone Watches

Rolex White Gold Cosmograph Daytona Sapphire Diamond Watch Ref. 116589

Rolex White Gold Cosmograph Daytona Sapphire Diamond Watch Ref. 116589

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Rolex - Rolex White Gold Cosmograph Daytona Watch Ref. 116599 - The Keystone Watches

Rolex White Gold Cosmograph Daytona Watch Ref. 116599

Rolex White Gold Cosmograph Daytona Watch Ref. 116599

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Audemars Piguet - Audemars Piguet Skeletonized Emerald Diamond Watch, Piece Unique - The Keystone Watches

Audemars Piguet Skeletonized Emerald Diamond Watch, Piece Unique

Audemars Piguet Skeletonized Emerald Diamond Watch, Piece Unique

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Piaget - Piaget White Gold Diamond Watch, 1970s - The Keystone Watches

Piaget White Gold Diamond Watch, 1970s

Piaget White Gold Diamond Watch, 1970s

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Cartier - Cartier Rose Gold Panthere Pink Diamond Watch, Special Order - The Keystone Watches

Cartier Rose Gold Panthere Pink Diamond Watch, Special Order

Cartier Rose Gold Panthere Pink Diamond Watch, Special Order

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Patek Philippe - Patek Philippe Platinum Minute Repeating Tourbillon Watch Ref. 5016 - The Keystone Watches

Patek Philippe Platinum Minute Repeating Tourbillon Watch Ref. 5016

Patek Philippe Platinum Minute Repeating Tourbillon Watch Ref. 5016

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Rolex - Rolex Yellow Gold Date Watch Ref. 1503 - The Keystone Watches

Rolex Yellow Gold Date Watch Ref. 1503

Rolex Yellow Gold Date Watch Ref. 1503

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

Patek Philippe Aquanaut Automatic Watch Ref. 5060, First Series Aquanaut

Patek Philippe Aquanaut Automatic Watch Ref. 5060, First Series Aquanaut

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5013 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5013

Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5013

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Piaget - Piaget Yellow Gold Wide Bracelet Watch, 1960s - The Keystone Watches

Piaget Yellow Gold Wide Bracelet Watch, 1960s

Piaget Yellow Gold Wide Bracelet Watch, 1960s

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

Rolex White Gold Day-Date Watch Ref. 1803

Rolex White Gold Day-Date Watch Ref. 1803

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Cartier - Cartier Platinum Baignoire Watch, 1960 - The Keystone Watches

Cartier Platinum Baignoire Watch, 1960

Cartier Platinum Baignoire Watch, 1960

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Cartier - Cartier White Gold Baignoire Allongee Diamond Watch - The Keystone Watches

Cartier White Gold Baignoire Allongee Diamond Watch

Cartier White Gold Baignoire Allongee Diamond Watch

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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
 
Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

$13,250 USD
 
Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

$16,500 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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