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Franck Muller - Franck Muller Platinum Rotor Calendar Ref. 3801S6Q - The Keystone Watches

Franck Muller Platinum Rotor Calendar Ref. 3801S6Q

Franck Muller Platinum Rotor Calendar Ref. 3801S6Q

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Bulgari - Bulgari Tri Color Tubogas Ref. BB1927 - The Keystone Watches

Bulgari Tri Color Tubogas Ref. BB1927

Bulgari Tri Color Tubogas Ref. BB1927

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Rolex - Rolex Yellow Gold Day Date Ref. 18038 with White Pyramid Roman Dial - The Keystone Watches

Rolex Yellow Gold Day Date Ref. 18038 with White Pyramid Roman Dial

Rolex Yellow Gold Day Date Ref. 18038 with White Pyramid Roman Dial

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Rolex White Gold Day-Date Ref. 118209 with Pink Mother of Pearl Dial

Rolex White Gold Day-Date Ref. 118209 with Pink Mother of Pearl Dial

Rolex White Gold Day-Date Ref. 118209 with Pink Mother of Pearl Dial

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Audemars Piguet Yellow Gold Bracelet Watch

Audemars Piguet Yellow Gold Bracelet Watch

Audemars Piguet Yellow Gold Bracelet Watch

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Audemars Piguet White Gold Watch with Diamonds and Beautiful Dial

Audemars Piguet White Gold Watch with Diamonds and Beautiful Dial

Audemars Piguet White Gold Watch with Diamonds and Beautiful Dial

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Ref. 56175 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Ref. 56175

Audemars Piguet Yellow Gold Royal Oak Ref. 56175

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Patek Philippe - Patek Philippe Rose Gold Calatrava Ref. 5022 on Bracelet - The Keystone Watches

Patek Philippe Rose Gold Calatrava Ref. 5022 on Bracelet

Patek Philippe Rose Gold Calatrava Ref. 5022 on Bracelet

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Piaget White Gold Mechanical Watch Ref. 9775A6 with Lapis, Diamond and Onyx Dial

Piaget White Gold Mechanical Watch Ref. 9775A6 with Lapis, Diamond and Onyx Dial

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Piaget - Piaget White Gold Round Watch Ref. 9066D23 with Opal, Onyx and Diamond Dial - The Keystone Watches

Piaget White Gold Round Watch Ref. 9066D23 with Opal, Onyx and Diamond Dial

Piaget White Gold Round Watch Ref. 9066D23 with Opal, Onyx and Diamond Dial

Sold Out

 
A. Lange & Sohne - A Lange and Sohne Platinum Lange 1 Ref. 101.025 - The Keystone Watches

A Lange and Sohne Platinum Lange 1 Ref. 101.025

A Lange and Sohne Platinum Lange 1 Ref. 101.025

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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

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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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New Arrivals Preview
 
Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

$19,800 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
 
Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

$75,000 USD
 
Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

$30,000 USD
 
Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

$105,000 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
 
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
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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