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A. Lange & Sohne Yellow Gold Saxonia Ref. 105.001 with a Wellendorff Bracelet

A. Lange & Sohne Yellow Gold Saxonia Ref. 105.001 with a Wellendorff Bracelet

A. Lange & Sohne Yellow Gold Saxonia Ref. 105.001 with a Wellendorff Bracelet

$82,000 USD
 
Cartier Platinum Diamond Bracelet Watch with Sector Dial

Cartier Platinum Diamond Bracelet Watch with Sector Dial

Cartier Platinum Diamond Bracelet Watch with Sector Dial

$31,000 USD
 
Piaget Yellow Gold Diamond and Ruby Bracelet Watch Ref. 49141

Piaget Yellow Gold Diamond and Ruby Bracelet Watch Ref. 49141

Piaget Yellow Gold Diamond and Ruby Bracelet Watch Ref. 49141

$95,000 USD
 
Piaget Yellow Gold Belt Style Bracelet Watch

Piaget Yellow Gold Belt Style Bracelet Watch

Piaget Yellow Gold Belt Style Bracelet Watch

$25,000 USD
 
Cartier Yellow Gold Baignoire Watch with Baguette Diamond Bezel, Limited Edition

Cartier Yellow Gold Baignoire Watch with Baguette Diamond Bezel, Limited Edition

Cartier Yellow Gold Baignoire Watch with Baguette Diamond Bezel, Limited Edition

Sold Out

 
Daniel Roth Steel Small Seconds Automatic Watch Ref. 0257

Daniel Roth Steel Small Seconds Automatic Watch Ref. 0257

Daniel Roth Steel Small Seconds Automatic Watch Ref. 0257

Sold Out

 
Roger Dubuis 18k RG Sympathie 37mm Ref. 37.57.0

Roger Dubuis 18k RG Sympathie 37mm Ref. 37.57.0

Roger Dubuis 18k RG Sympathie 37mm Ref. 37.57.0

Sold Out

 
Piaget White Gold Lapis Mystery Watch

Piaget White Gold Lapis Mystery Watch

Piaget White Gold Lapis Mystery Watch

$33,000 USD
 
Cartier Vermeil Must de Tank with Blue Dial Ref. 81975413

Cartier Vermeil Must de Tank with Blue Dial Ref. 81975413

Cartier Vermeil Must de Tank with Blue Dial Ref. 81975413

Sold Out

 
Bvlgari Steel Serpenti Watch Ref. BB191TS

Bvlgari Steel Serpenti Watch Ref. BB191TS

Bvlgari Steel Serpenti Watch Ref. BB191TS

Sold Out

 
Louis Vuitton - Louis Vuitton Voyager Skeleton Watch Ref. Q7EN0 - The Keystone Watches

Louis Vuitton Voyager Skeleton Watch Ref. Q7EN0

Louis Vuitton Voyager Skeleton Watch Ref. Q7EN0

$27,500 USD
 
Cartier - Cartier Platinum Ronde Louis Cartier Ref. W1528051 - The Keystone Watches

Cartier Platinum Ronde Louis Cartier Ref. W1528051

Cartier Platinum Ronde Louis Cartier Ref. W1528051

$14,500 USD
 
Cartier Platinum Skeleton Tank Normale WHTA0020, Limited Edition of 50 Pieces

Cartier Platinum Skeleton Tank Normale WHTA0020, Limited Edition of 50 Pieces

Cartier Platinum Skeleton Tank Normale WHTA0020, Limited Edition of 50 Pieces

$88,000 USD
 
Cartier Platinum Tortue Tourbillon Chronograph Ref. W1545751

Cartier Platinum Tortue Tourbillon Chronograph Ref. W1545751

Cartier Platinum Tortue Tourbillon Chronograph Ref. W1545751

$85,000 USD
 
Piaget - Piaget Yellow Gold Gouverneur Ref. 90968TA, Limited 120th Anniversary Watch - The Keystone Watches

Piaget Yellow Gold Gouverneur Ref. 90968TA, Limited 120th Anniversary Watch

Piaget Yellow Gold Gouverneur Ref. 90968TA, Limited 120th Anniversary Watch

$6,800 USD
 
Cartier Yellow Gold Tank Arrondie Mini Paris Dial

Cartier Yellow Gold Tank Arrondie Mini Paris Dial

Cartier Yellow Gold Tank Arrondie Mini Paris Dial

$10,500 USD
 
Breguet Yellow Gold Classique Ref. 3210

Breguet Yellow Gold Classique Ref. 3210

Breguet Yellow Gold Classique Ref. 3210

$8,500 USD
 
Piaget White Gold Ref. 92120A6 Bracelet Watch with Lapis Dial

Piaget White Gold Ref. 92120A6 Bracelet Watch with Lapis Dial

Piaget White Gold Ref. 92120A6 Bracelet Watch with Lapis Dial

$28,500 USD
 
Piaget Yellow Gold Emperador Bracelet Watch Ref. 9131C5

Piaget Yellow Gold Emperador Bracelet Watch Ref. 9131C5

Piaget Yellow Gold Emperador Bracelet Watch Ref. 9131C5

$17,500 USD
 
Piaget White Gold Mechanical Watch Ref. 9796

Piaget White Gold Mechanical Watch Ref. 9796

Piaget White Gold Mechanical Watch Ref. 9796

$6,800 USD
 
Franck Muller - Franck Muller White Gold Perpetual Biretro Chronograph Watch Ref. 7000 - The Keystone Watches

Franck Muller White Gold Perpetual Biretro Chronograph Watch Ref. 7000

Franck Muller White Gold Perpetual Biretro Chronograph Watch Ref. 7000

Sold Out

 
Paiget Yellow Gold Anneaux Coral Dial Ref. 9802D

Paiget Yellow Gold Anneaux Coral Dial Ref. 9802D

Paiget Yellow Gold Anneaux Coral Dial Ref. 9802D

Sold Out

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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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