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Audemars Piguet - Audemars Piguet Yellow Gold Bracelet Watch with Diamond Markers - The Keystone Watches

Audemars Piguet Yellow Gold Bracelet Watch with Diamond Markers

Audemars Piguet Yellow Gold Bracelet Watch with Diamond Markers

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Patek Philippe White Gold Ellipse Ref. 3544 with JPE Bracelet

Patek Philippe White Gold Ellipse Ref. 3544 with JPE Bracelet

Patek Philippe White Gold Ellipse Ref. 3544 with JPE Bracelet

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Patek Philippe - Patek Philippe White Gold Calatrava Ref. 3919 - The Keystone Watches

Patek Philippe White Gold Calatrava Ref. 3919

Patek Philippe White Gold Calatrava Ref. 3919

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Retrograde Ref. 5059P (New Arrival) - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Retrograde Ref. 5059P (New Arrival)

Patek Philippe Platinum Perpetual Calendar Retrograde Ref. 5059P (New Arrival)

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Omega - Omega Yellow Gold Pocket Watch with Agate Dial and Pearl Crown - The Keystone Watches

Omega Yellow Gold Pocket Watch with Agate Dial and Pearl Crown

Omega Yellow Gold Pocket Watch with Agate Dial and Pearl Crown

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Patek Philippe Yellow Gold Automatic Ellipse Ref. 3738

Patek Philippe Yellow Gold Automatic Ellipse Ref. 3738

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Patek Philippe Rose Gold Square Watch Ref. 2472 with Ribbed Fluted Case and Bracelet

Patek Philippe Rose Gold Square Watch Ref. 2472 with Ribbed Fluted Case and Bracelet

Patek Philippe Rose Gold Square Watch Ref. 2472 with Ribbed Fluted Case and Bracelet

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Cartier Yellow Gold Mystery Pocket Watch

Cartier Yellow Gold Mystery Pocket Watch

Cartier Yellow Gold Mystery Pocket Watch

$36,000 USD
 
Patek Philippe - Patek Philippe White Gold Annual Calendar Ref. 5396 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Ref. 5396

Patek Philippe White Gold Annual Calendar Ref. 5396

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Rolex - Rolex Steel Daytona 16520 Zenith White in Outstanding Original Condition - The Keystone Watches

Rolex Steel Daytona 16520 Zenith White in Outstanding Original Condition

Rolex Steel Daytona 16520 Zenith White in Outstanding Original Condition

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Cartier - Cartier Rose Gold Baignoire Allongee Ref. WGBA0009 - The Keystone Watches

Cartier Rose Gold Baignoire Allongee Ref. WGBA0009

Cartier Rose Gold Baignoire Allongee Ref. WGBA0009

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Audemars Piguet - Audemars Piguet White Gold Rope and Bead Bracelet Watch Ref. 56525 - The Keystone Watches

Audemars Piguet White Gold Rope and Bead Bracelet Watch Ref. 56525

Audemars Piguet White Gold Rope and Bead Bracelet Watch Ref. 56525

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Audemars Piguet Yellow Gold Ruby & Diamond Watch

Audemars Piguet Yellow Gold Ruby & Diamond Watch

Audemars Piguet Yellow Gold Ruby & Diamond Watch

$78,000 USD
 
Audemars Piguet - Audemars Piguet White Gold Diamond Bracelet Watch Ref. 14612 - The Keystone Watches

Audemars Piguet White Gold Diamond Bracelet Watch Ref. 14612

Audemars Piguet White Gold Diamond Bracelet Watch Ref. 14612

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Patek Philippe - Patek Philippe Steel Aquanaut Ref. 5066 with Box and Papers (New Arrival) - The Keystone Watches

Patek Philippe Steel Aquanaut Ref. 5066 with Box and Papers (New Arrival)

Patek Philippe Steel Aquanaut Ref. 5066 with Box and Papers (New Arrival)

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Patek Philippe Steel Nautilus Ref. 3800

Patek Philippe Steel Nautilus Ref. 3800

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Rolex Steel Datejust Ref. 1601 in Like-New Condition with Original Warranty (New Arrival)

Rolex Steel Datejust Ref. 1601 in Like-New Condition with Original Warranty (New Arrival)

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Rolex Steel Datejust Ref. 1601 with Grey Dial (New Arrival)

Rolex Steel Datejust Ref. 1601 with Grey Dial (New Arrival)

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Rolex - Rolex White Gold Cellini Watch Ref. 4014 (New Arrival) - The Keystone Watches

Rolex White Gold Cellini Watch Ref. 4014 (New Arrival)

Rolex White Gold Cellini Watch Ref. 4014 (New Arrival)

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Piaget Yellow Gold Round Watch Ref. 8826 with Opal and Diamond Dial

Piaget Yellow Gold Round Watch Ref. 8826 with Opal and Diamond Dial

Piaget Yellow Gold Round Watch Ref. 8826 with Opal and Diamond Dial

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Rolex - Rolex Steel Datejust Ref. 1625 - The Keystone Watches

Rolex Steel Datejust Ref. 1625

Rolex Steel Datejust Ref. 1625

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Rolex - Rolex Yellow Gold Cellini Ref. 4100 (New Arrival) - The Keystone Watches

Rolex Yellow Gold Cellini Ref. 4100 (New Arrival)

Rolex Yellow Gold Cellini Ref. 4100 (New Arrival)

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New Arrivals Preview
 
Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

$125,000 USD
 
Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

$62,000 USD
 
Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

$55,000 USD
 
Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

$21,000 USD
 
Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

$175,000 USD
 
Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

$70,000 USD
 
Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

$48,000 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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