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Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5167 - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5167

Patek Philippe Aquanaut Automatic Watch Ref. 5167

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Omega - Omega Speedmaster HODINKEE 10th Anniversary | Limited Edition Of 500 Pieces - The Keystone Watches

Omega Speedmaster HODINKEE 10th Anniversary | Limited Edition Of 500 Pieces

Omega Speedmaster HODINKEE 10th Anniversary | Limited Edition Of 500 Pieces

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Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5170 - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5170

Patek Philippe Platinum Chronograph Watch Ref. 5170

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Audemars Piguet - Audemars Piguet Royal Oak Chronograph Watch Ref. 26320 - The Keystone Watches

Audemars Piguet Royal Oak Chronograph Watch Ref. 26320

Audemars Piguet Royal Oak Chronograph Watch Ref. 26320

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

Patek Philippe Rose Gold Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe Rose Gold Perpetual Calendar Chronograph Watch Ref. 5970

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Cartier - Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2396 - The Keystone Watches

Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2396

Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2396

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Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5070, Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5070, Retailed by Tiffany & Co.

Patek Philippe Platinum Chronograph Watch Ref. 5070, Retailed by Tiffany & Co.

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Rolex - Rolex Yellow Gold GMT-Master II Diamond Sapphire Watch Ref. 116758 - The Keystone Watches

Rolex Yellow Gold GMT-Master II Diamond Sapphire Watch Ref. 116758

Rolex Yellow Gold GMT-Master II Diamond Sapphire Watch Ref. 116758

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Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5070 - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5070

Patek Philippe Platinum Chronograph Watch Ref. 5070

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Patek Philippe - Patek Philippe White Gold Annual Calendar Tiffany & Co. Watch Ref. 5396, Singled Sealed - The Keystone Watches

Patek Philippe White Gold Annual Calendar Tiffany & Co. Watch Ref. 5396, Singled Sealed

Patek Philippe White Gold Annual Calendar Tiffany & Co. Watch Ref. 5396, Singled Sealed

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Laurent Ferrier - Laurent Ferrier Steel Grand Sport Tourbillon Watch, Limited to 12 Pieces - The Keystone Watches

Laurent Ferrier Steel Grand Sport Tourbillon Watch, Limited to 12 Pieces

Laurent Ferrier Steel Grand Sport Tourbillon Watch, Limited to 12 Pieces

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Audemars Piguet - Audemars Piguet Royal Oak Chronograph Watch Ref. 26315 - The Keystone Watches

Audemars Piguet Royal Oak Chronograph Watch Ref. 26315

Audemars Piguet Royal Oak Chronograph Watch Ref. 26315

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Cartier - Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2396 with Original Box and Paper - The Keystone Watches

Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2396 with Original Box and Paper

Cartier White Gold Tortue Monopoussoir Chronograph Watch Ref. 2396 with Original Box and Paper

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

Roger Dubuis White Gold Hommage Perpetual Calendar Watch

Roger Dubuis White Gold Hommage Perpetual Calendar Watch

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A. Lange & Sohne - A. Lange & Sohne Platinum Datograph Watch Ref. 403.035 - The Keystone Watches

A. Lange & Sohne Platinum Datograph Watch Ref. 403.035

A. Lange & Sohne Platinum Datograph Watch Ref. 403.035

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Watch Ref. 15400 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Watch Ref. 15400

Audemars Piguet Rose Gold Royal Oak Watch Ref. 15400

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Patek Philippe - Patek Philippe White Gold Annual Calendar Watch, Ref. 5396. Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe White Gold Annual Calendar Watch, Ref. 5396. Retailed by Tiffany & Co.

Patek Philippe White Gold Annual Calendar Watch, Ref. 5396. Retailed by Tiffany & Co.

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H. Moser & Cie - H. Moser & Cie Heritage Tourbillon Funky Blue Watch - The Keystone Watches

H. Moser & Cie Heritage Tourbillon Funky Blue Watch

H. Moser & Cie Heritage Tourbillon Funky Blue Watch

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H. Moser & Cie - H. Moser & Cie Endeavor Tourbillon Watch - The Keystone Watches

H. Moser & Cie Endeavor Tourbillon Watch

H. Moser & Cie Endeavor Tourbillon Watch

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Patek Philippe - Patek Philippe White Gold World Time Watch Ref. 5230 - The Keystone Watches

Patek Philippe White Gold World Time Watch Ref. 5230

Patek Philippe White Gold World Time Watch Ref. 5230

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H. Moser & Cie - H. Moser & Cie Pioneer Centre Seconds Watch Ref. 3200-1202 - The Keystone Watches

H. Moser & Cie Pioneer Centre Seconds Watch Ref. 3200-1202

H. Moser & Cie Pioneer Centre Seconds Watch Ref. 3200-1202

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Watch Ref. 15400 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Watch Ref. 15400

Audemars Piguet Rose Gold Royal Oak Watch Ref. 15400

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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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