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Patek Philippe - Patek Philippe Steel Nautilus Baby Blue Watch Ref. 3800 - The Keystone Watches

Patek Philippe Steel Nautilus Baby Blue Watch Ref. 3800

Patek Philippe Steel Nautilus Baby Blue Watch Ref. 3800

Sold Out

 
Patek Philippe Aquanaut Albino Dial Watch Ref. 5065 with Original Hangtag, Unique

Patek Philippe Aquanaut Albino Dial Watch Ref. 5065 with Original Hangtag, Unique

Patek Philippe Aquanaut Albino Dial Watch Ref. 5065 with Original Hangtag, Unique

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Cartier Platinum Tonneau Double Fuseau Ref. 2487, Macau Edition 1999

Cartier Platinum Tonneau Double Fuseau Ref. 2487, Macau Edition 1999

Cartier Platinum Tonneau Double Fuseau Ref. 2487, Macau Edition 1999

$37,000 USD
 
Cartier Yellow Gold Blue Enamel Secret Shutter Watch, European Watch & Clock

Cartier Yellow Gold Blue Enamel Secret Shutter Watch, European Watch & Clock

Cartier Yellow Gold Blue Enamel Secret Shutter Watch, European Watch & Clock

$36,500 USD
 
Cartier Yellow Gold Tank Mecanique Ref. WA300651 with Pave Case

Cartier Yellow Gold Tank Mecanique Ref. WA300651 with Pave Case

Cartier Yellow Gold Tank Mecanique Ref. WA300651 with Pave Case

$17,500 USD
 
Chopard Yellow Gold Tigers Eye Bracelet Watch Retailed by Laykin et Cie

Chopard Yellow Gold Tigers Eye Bracelet Watch Retailed by Laykin et Cie

Chopard Yellow Gold Tigers Eye Bracelet Watch Retailed by Laykin et Cie

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Audemars Piguet White Gold Cobra Ref. 5403 with Box and Papers

Audemars Piguet White Gold Cobra Ref. 5403 with Box and Papers

Audemars Piguet White Gold Cobra Ref. 5403 with Box and Papers

$48,000 USD
 
Rolex - Rolex Rose Gold and Steel Back Bubbleback Watch - The Keystone Watches

Rolex Rose Gold and Steel Back Bubbleback Watch

Rolex Rose Gold and Steel Back Bubbleback Watch

$7,000 USD
 
Hublot White Gold MDM for the Sultan of Oman Ref. 1582.4.062

Hublot White Gold MDM for the Sultan of Oman Ref. 1582.4.062

Hublot White Gold MDM for the Sultan of Oman Ref. 1582.4.062

$34,000 USD
 
Rolex Two-Tone Hooded Bubbleback

Rolex Two-Tone Hooded Bubbleback

Rolex Two-Tone Hooded Bubbleback

$17,500 USD
 
Rolex White Gold Cellini Ref. 4137 with Stepped Case and Ribbed Finishing

Rolex White Gold Cellini Ref. 4137 with Stepped Case and Ribbed Finishing

Rolex White Gold Cellini Ref. 4137 with Stepped Case and Ribbed Finishing

$36,000 USD
 
Rolex White Gold Lady Datejust Diamond Watch Ref. 6517

Rolex White Gold Lady Datejust Diamond Watch Ref. 6517

Rolex White Gold Lady Datejust Diamond Watch Ref. 6517

$60,000 USD
 
Rolex Yellow Gold Day-Date Green Stella Watch Ref. 18038

Rolex Yellow Gold Day-Date Green Stella Watch Ref. 18038

Rolex Yellow Gold Day-Date Green Stella Watch Ref. 18038

Sold Out

 
A. Lange & Sohne White Gold Little Lange 1 Ref. 813.044

A. Lange & Sohne White Gold Little Lange 1 Ref. 813.044

A. Lange & Sohne White Gold Little Lange 1 Ref. 813.044

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Cartier Yellow Gold Cover Watch

Cartier Yellow Gold Cover Watch

Cartier Yellow Gold Cover Watch

$25,000 USD
 
Cartier Yellow Gold Tortue Paris Mecanique Ref. 96081

Cartier Yellow Gold Tortue Paris Mecanique Ref. 96081

Cartier Yellow Gold Tortue Paris Mecanique Ref. 96081

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Rolex Precision Oversized Ref. 3675

Rolex Precision Oversized Ref. 3675

Rolex Precision Oversized Ref. 3675

$35,000 USD
 
Cartier Yellow Gold Large Tank Cintree, Circa 1960s

Cartier Yellow Gold Large Tank Cintree, Circa 1960s

Cartier Yellow Gold Large Tank Cintree, Circa 1960s

$120,000 USD
 
Patek Philippe Platinum Minute Repeater Enamel Watch Ref. 5078 Box and Papers (New Arrival)

Patek Philippe Platinum Minute Repeater Enamel Watch Ref. 5078 Box and Papers (New Arrival)

Patek Philippe Platinum Minute Repeater Enamel Watch Ref. 5078 Box and Papers (New Arrival)

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Rolex - Rolex Yellow Gold Day-Date Ref. 1803 with Green Stella Dial - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 1803 with Green Stella Dial

Rolex Yellow Gold Day-Date Ref. 1803 with Green Stella Dial

$115,000 USD
 
Rolex Prince Imperial Enamel Pocket Watch Ref. 1585

Rolex Prince Imperial Enamel Pocket Watch Ref. 1585

Rolex Prince Imperial Enamel Pocket Watch Ref. 1585

$15,000 USD
 
Audemars Piguet Steel Automatic Watch with Caliber 2120 Movement

Audemars Piguet Steel Automatic Watch with Caliber 2120 Movement

Audemars Piguet Steel Automatic Watch with Caliber 2120 Movement

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New Arrivals Preview
 
Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

$38,000 USD
 
Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

$30,000 USD
 
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)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

$60,000 USD
 
Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

$58,000 USD
 
Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

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
 
Cartier Yellow Gold Tank Normale Bracelet Watch  Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

$36,000 USD
 
Cartier - Cartier Yellow Gold Tank Reverso (New Arrival) - The Keystone Watches

Cartier Yellow Gold Tank Reverso (New Arrival)

Cartier Yellow Gold Tank Reverso (New Arrival)

$34,500 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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