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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

 
Rolex White Gold Cellini Bracelet Watch Ref. 4307/9

Rolex White Gold Cellini Bracelet Watch Ref. 4307/9

Rolex White Gold Cellini Bracelet Watch Ref. 4307/9

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
 
Patek Philippe Rose Gold Annual Calendar Ref. 5146R-001

Patek Philippe Rose Gold Annual Calendar Ref. 5146R-001

Patek Philippe Rose Gold Annual Calendar Ref. 5146R-001

Sold Out

 
Patek Philippe - Patek Philippe White Gold Golden Ellipse Ref. 3544 - The Keystone Watches

Patek Philippe White Gold Golden Ellipse Ref. 3544

Patek Philippe White Gold Golden Ellipse Ref. 3544

$17,500 USD
 
Vacheron Constantin Yellow Gold Structura Ref. 36001

Vacheron Constantin Yellow Gold Structura Ref. 36001

Vacheron Constantin Yellow Gold Structura Ref. 36001

$11,500 USD
 
Audemars Piguet Yellow Gold Ref. 56455BA

Audemars Piguet Yellow Gold Ref. 56455BA

Audemars Piguet Yellow Gold Ref. 56455BA

Sold Out

 
Audemars Piguet Steel Mini Royal Oak Ref. 66339

Audemars Piguet Steel Mini Royal Oak Ref. 66339

Audemars Piguet Steel Mini Royal Oak Ref. 66339

Sold Out

 
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
 
Audemars Piguet White Gold Cobra-Style Bracelet Watch

Audemars Piguet White Gold Cobra-Style Bracelet Watch

Audemars Piguet White Gold Cobra-Style Bracelet Watch

Sold Out

 
Rolex Oyster Perpetual Date Submariner Ref. 16800

Rolex Oyster Perpetual Date Submariner Ref. 16800

Rolex Oyster Perpetual Date Submariner Ref. 16800

Sold Out

 
Audemars Piguet White Gold Cobra Bracelet Watch

Audemars Piguet White Gold Cobra Bracelet Watch

Audemars Piguet White Gold Cobra Bracelet Watch

Sold Out

 
Rolex Yellow Gold Oyster Perpetual Bubbleback, Top Condition

Rolex Yellow Gold Oyster Perpetual Bubbleback, Top Condition

Rolex Yellow Gold Oyster Perpetual Bubbleback, Top Condition

$9,500 USD
 
Rolex - Rolex Steel Chronograph Ref. 2508 Second Generation with Salmon Dial - The Keystone Watches

Rolex Steel Chronograph Ref. 2508 Second Generation with Salmon Dial

Rolex Steel Chronograph Ref. 2508 Second Generation with Salmon Dial

$45,000 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
 
Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

Sold Out

 
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
 
Patek Philippe White Gold Calatrava Ref. 570

Patek Philippe White Gold Calatrava Ref. 570

Patek Philippe White Gold Calatrava Ref. 570

Sold Out

 
Patek Philippe Yellow Gold Bracelet Watch Ref. 3306

Patek Philippe Yellow Gold Bracelet Watch Ref. 3306

Patek Philippe Yellow Gold Bracelet Watch Ref. 3306

Sold Out

 
Audemars Piguet White Gold Round Automatic Bracelet Watch

Audemars Piguet White Gold Round Automatic Bracelet Watch

Audemars Piguet White Gold Round Automatic Bracelet Watch

$13,500 USD
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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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