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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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Cartier - Cartier Yellow Gold Santos Automatic Diamond Watch - The Keystone Watches

Cartier Yellow Gold Santos Automatic Diamond Watch

Cartier Yellow Gold Santos Automatic Diamond Watch

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Audemars Piguet - Audemars Piguet Royal Oak Brown Dial Watch, Ref. 56175 - The Keystone Watches

Audemars Piguet Royal Oak Brown Dial Watch, Ref. 56175

Audemars Piguet Royal Oak Brown Dial Watch, Ref. 56175

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

Audemars Piguet Yellow Gold Royal Oak Automatic Watch

Audemars Piguet Yellow Gold Royal Oak Automatic Watch

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Audemars Piguet - Audemars Piguet Yellow Gold Skeleton Watch - The Keystone Watches

Audemars Piguet Yellow Gold Skeleton Watch

Audemars Piguet Yellow Gold Skeleton Watch

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

Patek Philippe White Gold Nautilus Diamond Emerald Watch Ref. 3800

Patek Philippe White Gold Nautilus Diamond Emerald Watch Ref. 3800

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Cartier - Cartier White Gold Baignoire Red Numbers Watch - The Keystone Watches

Cartier White Gold Baignoire Red Numbers Watch

Cartier White Gold Baignoire Red Numbers Watch

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Cartier - Cartier Rose Gold Tank Americaine Watch with Original Box and Papers - The Keystone Watches

Cartier Rose Gold Tank Americaine Watch with Original Box and Papers

Cartier Rose Gold Tank Americaine Watch with Original Box and Papers

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New Arrivals Preview
 
Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

$38,000 USD
 
Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

$30,000 USD
 
Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

$60,000 USD
 
Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

$58,000 USD
 
Audemars Piguet - Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival) - The Keystone Watches

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

$18,000 USD
 
Cartier Yellow Gold Tank Normale Bracelet Watch  Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

$36,000 USD
 
Cartier - Cartier Yellow Gold Tank Reverso (New Arrival) - The Keystone Watches

Cartier Yellow Gold Tank Reverso (New Arrival)

Cartier Yellow Gold Tank Reverso (New Arrival)

$34,500 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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