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Laurent Ferrier - Laurent Ferrier Steel Tourbillon Grand Sport Watch, Ref. LF 619.01 - The Keystone Watches

Laurent Ferrier Steel Tourbillon Grand Sport Watch, Ref. LF 619.01

Laurent Ferrier Steel Tourbillon Grand Sport Watch, Ref. LF 619.01

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Patek Philippe - Patek Philippe World Time Yellow Gold Ref. 5110J - The Keystone Watches

Patek Philippe World Time Yellow Gold Ref. 5110J

Patek Philippe World Time Yellow Gold Ref. 5110J

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Patek Philippe - Patek Philippe World Time White Gold Ref. 5110G - The Keystone Watches

Patek Philippe World Time White Gold Ref. 5110G

Patek Philippe World Time White Gold Ref. 5110G

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A. Lange & Sohne - A Lange & Sohne Rose Gold Richard Lange Referenzuhr Ref. 250.032 - The Keystone Watches

A Lange & Sohne Rose Gold Richard Lange Referenzuhr Ref. 250.032

A Lange & Sohne Rose Gold Richard Lange Referenzuhr Ref. 250.032

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FP Journe - F.P Journe Platinum Tourbillon Remontoir dEgalite with Rose Gold Dial - The Keystone Watches

F.P Journe Platinum Tourbillon Remontoir dEgalite with Rose Gold Dial

F.P Journe Platinum Tourbillon Remontoir dEgalite with Rose Gold Dial

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Patek Philippe - Patek Philippe Aquanaut Watch Ref. 5065 with Original Box and Papers - The Keystone Watches

Patek Philippe Aquanaut Watch Ref. 5065 with Original Box and Papers

Patek Philippe Aquanaut Watch Ref. 5065 with Original Box and Papers

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Cartier - Cartier White Gold Tonneau Dual Time Ref. 2806 - The Keystone Watches

Cartier White Gold Tonneau Dual Time Ref. 2806

Cartier White Gold Tonneau Dual Time Ref. 2806

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

Rolex Cosmograph Daytona Diamond Watch Ref. 116589

Rolex Cosmograph Daytona Diamond Watch Ref. 116589

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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 Perpetual Calendar Yellow Gold Ref. 3970 - The Keystone Watches

Patek Philippe Perpetual Calendar Yellow Gold Ref. 3970

Patek Philippe Perpetual Calendar Yellow Gold Ref. 3970

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Cartier - Cartier White Gold Tortue Monopoussir Watch, Ref 2396 - The Keystone Watches

Cartier White Gold Tortue Monopoussir Watch, Ref 2396

Cartier White Gold Tortue Monopoussir Watch, Ref 2396

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Rolex - Rolex White Gold GMT Diamond Sapphire Watch Ref. 116749 - The Keystone Watches

Rolex White Gold GMT Diamond Sapphire Watch Ref. 116749

Rolex White Gold GMT Diamond Sapphire Watch Ref. 116749

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Rolex - Rolex White Gold Smurf Submariner Watch Ref. 116619 - The Keystone Watches

Rolex White Gold Smurf Submariner Watch Ref. 116619

Rolex White Gold Smurf Submariner Watch Ref. 116619

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Rolex - Rolex Platinum Cosmograph Daytona Diamond Watch Ref. 116576 - The Keystone Watches

Rolex Platinum Cosmograph Daytona Diamond Watch Ref. 116576

Rolex Platinum Cosmograph Daytona Diamond Watch Ref. 116576

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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 Royal Oak Offshore Chronograph Yellow Watch - The Keystone Watches

Audemars Piguet Royal Oak Offshore Chronograph Yellow Watch

Audemars Piguet Royal Oak Offshore Chronograph Yellow Watch

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FP Journe - F.P Journe Rose Gold Octa Divine 42mm Watch - The Keystone Watches

F.P Journe Rose Gold Octa Divine 42mm Watch

F.P Journe Rose Gold Octa Divine 42mm Watch

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Rolex - Rolex White Gold Day-Date Baguette Diamond Watch Ref. 218399 - The Keystone Watches

Rolex White Gold Day-Date Baguette Diamond Watch Ref. 218399

Rolex White Gold Day-Date Baguette Diamond Watch Ref. 218399

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Patek Philippe - Patek Philippe Stainless Steel Calatrava Watch Ref. 5565 - The Keystone Watches

Patek Philippe Stainless Steel Calatrava Watch Ref. 5565

Patek Philippe Stainless Steel Calatrava Watch Ref. 5565

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A. Lange & Sohne - A. Lange & Sohne Platinum Langematik Jubilee Anniversary Enamel Watch Ref. 302.025 - The Keystone Watches

A. Lange & Sohne Platinum Langematik Jubilee Anniversary Enamel Watch Ref. 302.025

A. Lange & Sohne Platinum Langematik Jubilee Anniversary Enamel Watch Ref. 302.025

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Richard Mille - Richard Mille Skeletonized Paris Boutique RM10 Watch, Limited to 10 Pieces - The Keystone Watches

Richard Mille Skeletonized Paris Boutique RM10 Watch, Limited to 10 Pieces

Richard Mille Skeletonized Paris Boutique RM10 Watch, Limited to 10 Pieces

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Audemars Piguet - Audemars Piguet Rose Gold Code 11.59 Chronograph Watch - The Keystone Watches

Audemars Piguet Rose Gold Code 11.59 Chronograph Watch

Audemars Piguet Rose Gold Code 11.59 Chronograph Watch

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New Arrivals Preview
 
Piaget Two Tone Polo Ref. 8131C701 (New Arrival)

Piaget Two Tone Polo Ref. 8131C701 (New Arrival)

Piaget Two Tone Polo Ref. 8131C701 (New Arrival)

$18,500 USD
 
Rolex Yellow Gold Oyster Perpetual Day-Date Ref. 1803/8 with Claw Dial (New Arrival)

Rolex Yellow Gold Oyster Perpetual Day-Date Ref. 1803/8 with Claw Dial (New Arrival)

Rolex Yellow Gold Oyster Perpetual Day-Date Ref. 1803/8 with Claw Dial (New Arrival)

$10,800 USD
 
Audemars Piguet Steel Transitional Jumbo Royal Oak Ref. 5402 Rare No Serial Watch (New Arrival)

Audemars Piguet Steel Transitional Jumbo Royal Oak Ref. 5402 Rare No Serial Watch (New Arrival)

Audemars Piguet Steel Transitional Jumbo Royal Oak Ref. 5402 Rare No Serial Watch (New Arrival)

$80,000 USD
 
Patek Philippe White Gold Ref. 2592 (New Arrival)

Patek Philippe White Gold Ref. 2592 (New Arrival)

Patek Philippe White Gold Ref. 2592 (New Arrival)

$11,000 USD
 
Audemars Piguet Round UFO-Style Bracelet Watch (New Arrival)

Audemars Piguet Round UFO-Style Bracelet Watch (New Arrival)

Audemars Piguet Round UFO-Style Bracelet Watch (New Arrival)

$10,500 USD
 
Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

$16,000 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival) - The Keystone Watches

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
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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