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Rolex - Rolex White Gold Datejust Watch Ref. 1601 - The Keystone Watches

Rolex White Gold Datejust Watch Ref. 1601

Rolex White Gold Datejust Watch Ref. 1601

Sold Out

 
Rolex - Rolex Yellow Gold Day-Date Watch Ref. 1803 - The Keystone Watches

Rolex Yellow Gold Day-Date Watch Ref. 1803

Rolex Yellow Gold Day-Date Watch Ref. 1803

Sold Out

 
Patek Philippe - Patek Philippe Stainless Steel Automatic Watch Ref. 3580 - The Keystone Watches

Patek Philippe Stainless Steel Automatic Watch Ref. 3580

Patek Philippe Stainless Steel Automatic Watch Ref. 3580

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Rolex - Vintage Rolex Day-Date Ammonite Stone Diamond Dial Ref. 18238 - The Keystone Watches

Vintage Rolex Day-Date Ammonite Stone Diamond Dial Ref. 18238

Vintage Rolex Day-Date Ammonite Stone Diamond Dial Ref. 18238

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Rolex - Rolex Yellow Gold Day-Date Watch Ref. 1803 with Original Papers - The Keystone Watches

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Original Papers

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Original Papers

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Vacheron Constantin - Vacheron Constantin Rose GoldMetiers DArt Rose Gold Skeleton Enamel Watch - The Keystone Watches

Vacheron Constantin Rose GoldMetiers DArt Rose Gold Skeleton Enamel Watch

Vacheron Constantin Rose GoldMetiers DArt Rose Gold Skeleton Enamel Watch

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Rolex - Rolex Steel Explorer II Steger Polar Expedition Watch Ref. 16550 - The Keystone Watches

Rolex Steel Explorer II Steger Polar Expedition Watch Ref. 16550

Rolex Steel Explorer II Steger Polar Expedition Watch Ref. 16550

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Patek Philippe - Patek Philippe Calatrava Rose Gold Ref. 3425R - The Keystone Watches

Patek Philippe Calatrava Rose Gold Ref. 3425R

Patek Philippe Calatrava Rose Gold Ref. 3425R

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Rolex - Rolex Stainless Steel Date Watch Ref. 1500 - The Keystone Watches

Rolex Stainless Steel Date Watch Ref. 1500

Rolex Stainless Steel Date Watch Ref. 1500

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Breguet - Breguet White Gold Hora Mundi Marine Watch Ref. 3700 - The Keystone Watches

Breguet White Gold Hora Mundi Marine Watch Ref. 3700

Breguet White Gold Hora Mundi Marine Watch Ref. 3700

Sold Out

 
Rolex - Rolex Yellow Gold Day-Date Baguette Diamond Watch- N.O.S. - The Keystone Watches

Rolex Yellow Gold Day-Date Baguette Diamond Watch- N.O.S.

Rolex Yellow Gold Day-Date Baguette Diamond Watch- N.O.S.

Sold Out

 
Omega - Omega Yellow Gold La Magique Ultra-Thin Strap Watch - The Keystone Watches

Omega Yellow Gold La Magique Ultra-Thin Strap Watch

Omega Yellow Gold La Magique Ultra-Thin Strap Watch

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Vacheron Constantin - Vacheron Constantin Yellow Gold Waterproof Watch Ref. 6515 - The Keystone Watches

Vacheron Constantin Yellow Gold Waterproof Watch Ref. 6515

Vacheron Constantin Yellow Gold Waterproof Watch Ref. 6515

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Rolex - Rolex Yellow Gold Day-Date Baguette Diamond Watch - The Keystone Watches

Rolex Yellow Gold Day-Date Baguette Diamond Watch

Rolex Yellow Gold Day-Date Baguette Diamond Watch

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Omega - Omega Yellow Gold Constellation Tiffany & Co. Strap Watch - The Keystone Watches

Omega Yellow Gold Constellation Tiffany & Co. Strap Watch

Omega Yellow Gold Constellation Tiffany & Co. Strap Watch

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Rolex - Rolex Yellow Gold Day-Date Ferrite Stone Dial Watch Ref. 18238 - The Keystone Watches

Rolex Yellow Gold Day-Date Ferrite Stone Dial Watch Ref. 18238

Rolex Yellow Gold Day-Date Ferrite Stone Dial Watch Ref. 18238

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Patek Philippe - Patek Philippe Yellow Gold Officers Grey Roman Dial Ref. 5022 - The Keystone Watches

Patek Philippe Yellow Gold Officers Grey Roman Dial Ref. 5022

Patek Philippe Yellow Gold Officers Grey Roman Dial Ref. 5022

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Rolex - Rolex White Gold Day-Date Diamond Bracelet Watch Ref. 18049 - The Keystone Watches

Rolex White Gold Day-Date Diamond Bracelet Watch Ref. 18049

Rolex White Gold Day-Date Diamond Bracelet Watch Ref. 18049

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Vacheron Constantin - Vacheron Constantin Yellow Gold Fancy Lugs Vintage Watch - The Keystone Watches

Vacheron Constantin Yellow Gold Fancy Lugs Vintage Watch

Vacheron Constantin Yellow Gold Fancy Lugs Vintage Watch

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Patek Philippe - Patek Philippe White Gold Chronograph Watch Ref. 5070G - The Keystone Watches

Patek Philippe White Gold Chronograph Watch Ref. 5070G

Patek Philippe White Gold Chronograph Watch Ref. 5070G

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Rolex - Rolex Day-Date White Gold Ref. 18049 - The Keystone Watches

Rolex Day-Date White Gold Ref. 18049

Rolex Day-Date White Gold Ref. 18049

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Patek Philippe - Vintage Patek Philippe Platinum Rectangular Diamond Watch Ref. 425 - The Keystone Watches

Vintage Patek Philippe Platinum Rectangular Diamond Watch Ref. 425

Vintage Patek Philippe Platinum Rectangular Diamond Watch Ref. 425

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Patek Philippe - Patek Philippe Yellow Gold Onyx Dial Strap Watch Ref. 3729 - The Keystone Watches

Patek Philippe Yellow Gold Onyx Dial Strap Watch Ref. 3729

Patek Philippe Yellow Gold Onyx Dial Strap Watch Ref. 3729

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Advanced Research Ref. 5350R - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Advanced Research Ref. 5350R

Patek Philippe Rose Gold Annual Calendar Advanced Research Ref. 5350R

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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Lange 1 Bracelet Watch Ref. 101.021 - The Keystone Watches

A. Lange & Sohne Yellow Gold Lange 1 Bracelet Watch Ref. 101.021

A. Lange & Sohne Yellow Gold Lange 1 Bracelet Watch Ref. 101.021

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Patek Philippe - Patek Philippe White Gold Gondolo Salmon Dial Ref. 5024 - The Keystone Watches

Patek Philippe White Gold Gondolo Salmon Dial Ref. 5024

Patek Philippe White Gold Gondolo Salmon Dial Ref. 5024

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Rolex - Rolex Yellow Gold Queen Midas Lapis Watch Ref. 4314 - The Keystone Watches

Rolex Yellow Gold Queen Midas Lapis Watch Ref. 4314

Rolex Yellow Gold Queen Midas Lapis Watch Ref. 4314

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Audemars Piguet - Audemars Piguet Platinum Quantieme Perpetual Automatique Watch - The Keystone Watches

Audemars Piguet Platinum Quantieme Perpetual Automatique Watch

Audemars Piguet Platinum Quantieme Perpetual Automatique Watch

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Audemars Piguet - Audemars Piguet Yellow Gold Automatic Strap Watch - The Keystone Watches

Audemars Piguet Yellow Gold Automatic Strap Watch

Audemars Piguet Yellow Gold Automatic Strap Watch

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Automatic Bracelet Watch Ref. 3604 - The Keystone Watches

Patek Philippe Yellow Gold Automatic Bracelet Watch Ref. 3604

Patek Philippe Yellow Gold Automatic Bracelet Watch Ref. 3604

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New Arrivals Preview
 
Rolex - Rolex Steel Blue Oysterdate Ref. 6694 in New Old Stock Condition (New Arrival) - The Keystone Watches

Rolex Steel Blue Oysterdate Ref. 6694 in New Old Stock Condition (New Arrival)

Rolex Steel Blue Oysterdate Ref. 6694 in New Old Stock Condition (New Arrival)

$4,500 USD
 
Breguet - Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL) - The Keystone Watches

Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL)

Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL)

$7,200 USD
 
Audemars Piguet - Audemars Piguet White Gold Round Watch with Beaded Bracelet and Pave Diamond and Sapphire Dial (New Arrival) - The Keystone Watches

Audemars Piguet White Gold Round Watch with Beaded Bracelet and Pave Diamond and Sapphire Dial (New Arrival)

Audemars Piguet White Gold Round Watch with Beaded Bracelet and Pave Diamond and Sapphire Dial (New Arrival)

$9,800 USD
 
Louis Vuitton - Louis Vuitton Green Ceramic Monterey II (New Arrival) - The Keystone Watches

Louis Vuitton Green Ceramic Monterey II (New Arrival)

Louis Vuitton Green Ceramic Monterey II (New Arrival)

$8,800 USD
 

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

$17,750 USD
 

Bulgari Yellow Gold Coin Necklace (New Arrival)

Bulgari Yellow Gold Coin Necklace (New Arrival)

$24,500 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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