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Piaget - Piaget Yellow Gold Ultra-Thin Bracelet Watch - The Keystone Watches

Piaget Yellow Gold Ultra-Thin Bracelet Watch

Piaget Yellow Gold Ultra-Thin Bracelet Watch

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Piaget - Piaget Yellow Gold Baguette Bezel with Pave Dial and Diamonds Bracelet - The Keystone Watches

Piaget Yellow Gold Baguette Bezel with Pave Dial and Diamonds Bracelet

Piaget Yellow Gold Baguette Bezel with Pave Dial and Diamonds Bracelet

$52,000 USD
 
Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Retrograde Watch Ref. 5050 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Retrograde Watch Ref. 5050

Patek Philippe Yellow Gold Perpetual Calendar Retrograde Watch Ref. 5050

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Rolex - Rolex Steel Pepsi GMT-Master Ref. 1675 - The Keystone Watches

Rolex Steel Pepsi GMT-Master Ref. 1675

Rolex Steel Pepsi GMT-Master Ref. 1675

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Patek Philippe - Patek Philippe Steel Tonneau Ref. 3579 with Original Papers - The Keystone Watches

Patek Philippe Steel Tonneau Ref. 3579 with Original Papers

Patek Philippe Steel Tonneau Ref. 3579 with Original Papers

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Audemars Piguet - Audemars Piguet Two-Tone Royal Oak Moonphase Ref. 25594 - The Keystone Watches

Audemars Piguet Two-Tone Royal Oak Moonphase Ref. 25594

Audemars Piguet Two-Tone Royal Oak Moonphase Ref. 25594

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Patek Philippe - Patek Philippe Chronometro Gondolo 24 Hour Pocket Watch - The Keystone Watches

Patek Philippe Chronometro Gondolo 24 Hour Pocket Watch

Patek Philippe Chronometro Gondolo 24 Hour Pocket Watch

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Patek Philippe - Patek Philippe Platinum Pocket Watch - The Keystone Watches

Patek Philippe Platinum Pocket Watch

Patek Philippe Platinum Pocket Watch

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Patek Philippe - Patek Philippe White & Yellow Gold Pocket Watch - The Keystone Watches

Patek Philippe White & Yellow Gold Pocket Watch

Patek Philippe White & Yellow Gold Pocket Watch

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Piaget - Piaget Yellow Gold Diamond Ruby Watch Ref. 43009A6 - The Keystone Watches

Piaget Yellow Gold Diamond Ruby Watch Ref. 43009A6

Piaget Yellow Gold Diamond Ruby Watch Ref. 43009A6

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Piaget - Piaget White Gold Diamond Opal Watch Ref. 9706D2 - The Keystone Watches

Piaget White Gold Diamond Opal Watch Ref. 9706D2

Piaget White Gold Diamond Opal Watch Ref. 9706D2

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Piaget - Piaget White Gold Opal Diamond Ref. 9706D2 - The Keystone Watches

Piaget White Gold Opal Diamond Ref. 9706D2

Piaget White Gold Opal Diamond Ref. 9706D2

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Piaget - Piaget Yellow Gold Ruby & Diamond Watch Ref. 98170 - The Keystone Watches

Piaget Yellow Gold Ruby & Diamond Watch Ref. 98170

Piaget Yellow Gold Ruby & Diamond Watch Ref. 98170

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Piaget - Piaget White Gold Watch Ref. 4182A6 with Lapis Dial and Diamonds and Sapphires - The Keystone Watches

Piaget White Gold Watch Ref. 4182A6 with Lapis Dial and Diamonds and Sapphires

Piaget White Gold Watch Ref. 4182A6 with Lapis Dial and Diamonds and Sapphires

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Piaget - Piaget White Gold Opal Watch Ref. 4326D23 - The Keystone Watches

Piaget White Gold Opal Watch Ref. 4326D23

Piaget White Gold Opal Watch Ref. 4326D23

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Vacheron Constantin - Vacheron Constantin Steel Pocket Watch - The Keystone Watches

Vacheron Constantin Steel Pocket Watch

Vacheron Constantin Steel Pocket Watch

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Audemars Piguet - Audemars Piguet Two-Tone Royal Oak Ref. 56143 (NEW ARRIVAL) - The Keystone Watches

Audemars Piguet Two-Tone Royal Oak Ref. 56143 (NEW ARRIVAL)

Audemars Piguet Two-Tone Royal Oak Ref. 56143 (NEW ARRIVAL)

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Rolex - Rolex Yellow Gold Day-Date Ref. 1803 with Linen Dial and Box & Papers (NEW ARRIVAL) - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 1803 with Linen Dial and Box & Papers (NEW ARRIVAL)

Rolex Yellow Gold Day-Date Ref. 1803 with Linen Dial and Box & Papers (NEW ARRIVAL)

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Rolex - Rolex Yellow Gold Submariner Watch Ref. 16618 (NEW ARRIVAL) - The Keystone Watches

Rolex Yellow Gold Submariner Watch Ref. 16618 (NEW ARRIVAL)

Rolex Yellow Gold Submariner Watch Ref. 16618 (NEW ARRIVAL)

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Patek Philippe - Patek Philippe White Gold World Time Watch Ref. 5130 - The Keystone Watches

Patek Philippe White Gold World Time Watch Ref. 5130

Patek Philippe White Gold World Time Watch Ref. 5130

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Patek Philippe - Patek Philippe Diamond Cover Watch Ref. 3006 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe Diamond Cover Watch Ref. 3006 (NEW ARRIVAL)

Patek Philippe Diamond Cover Watch Ref. 3006 (NEW ARRIVAL)

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Cartier - Cartier Rose Gold Rotonde Tourbillon Monopusher Chronograph Watch W1580032 - The Keystone Watches

Cartier Rose Gold Rotonde Tourbillon Monopusher Chronograph Watch W1580032

Cartier Rose Gold Rotonde Tourbillon Monopusher Chronograph Watch W1580032

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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)

$150,000 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
 
Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

$15,000 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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