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Patek Philippe - Patek Philippe Annual Calendar Chronograph Watch Ref. 5905 - The Keystone Watches

Patek Philippe Annual Calendar Chronograph Watch Ref. 5905

Patek Philippe Annual Calendar Chronograph Watch Ref. 5905

Sold Out

 
Patek Philippe - Patek Philippe Annual Calendar Chronograph Watch Ref. 5960 - The Keystone Watches

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960

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Patek Philippe Annual Calendar Chronograph Watch Ref. 5960

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960

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Patek Philippe - Patek Philippe Annual Calendar Chronograph Watch Ref. 5960, Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960, Retailed by Tiffany & Co.

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960, Retailed by Tiffany & Co.

Sold Out

 
Patek Philippe - Patek Philippe Annual Calendar Chronograph Watch Ref. 5960/1A - The Keystone Watches

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960/1A

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960/1A

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Patek Philippe - Patek Philippe Annual Calendar Chronograph Watch Ref. 5960/1A - The Keystone Watches

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960/1A

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960/1A

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Patek Philippe - Patek Philippe Annual Calendar Moonphase Watch Ref. 5135 Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Annual Calendar Moonphase Watch Ref. 5135 Retailed by Tiffany & Co.

Patek Philippe Annual Calendar Moonphase Watch Ref. 5135 Retailed by Tiffany & Co.

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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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Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5060, First Series Aquanaut - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5060, First Series Aquanaut

Patek Philippe Aquanaut Automatic Watch Ref. 5060, First Series Aquanaut

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5060, First Series Aquanaut - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5060, First Series Aquanaut

Patek Philippe Aquanaut Automatic Watch Ref. 5060, First Series Aquanaut

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Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5060, First Series Aquanaut with Original Paper - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5060, First Series Aquanaut with Original Paper

Patek Philippe Aquanaut Automatic Watch Ref. 5060, First Series Aquanaut with Original Paper

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Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5066 - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5066

Patek Philippe Aquanaut Automatic Watch Ref. 5066

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Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5066 - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5066

Patek Philippe Aquanaut Automatic Watch Ref. 5066

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Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5066 - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5066

Patek Philippe Aquanaut Automatic Watch Ref. 5066

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Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5066 - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5066

Patek Philippe Aquanaut Automatic Watch Ref. 5066

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Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5066 - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5066

Patek Philippe Aquanaut Automatic Watch Ref. 5066

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Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5066 with Original Box and Papers - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5066 with Original Box and Papers

Patek Philippe Aquanaut Automatic Watch Ref. 5066 with Original Box and Papers

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Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5167 - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5167

Patek Philippe Aquanaut Automatic Watch Ref. 5167

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Patek Philippe - Patek Philippe Aquanaut Automatic Watch Watch Ref. 5060, First Series Aquanaut - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Watch Ref. 5060, First Series Aquanaut

Patek Philippe Aquanaut Automatic Watch Watch Ref. 5060, First Series Aquanaut

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Patek Philippe - Patek Philippe Aquanaut Blue Dial Watch Ref. 5066, Made for the Japanese Market - The Keystone Watches

Patek Philippe Aquanaut Blue Dial Watch Ref. 5066, Made for the Japanese Market

Patek Philippe Aquanaut Blue Dial Watch Ref. 5066, Made for the Japanese Market

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Blue Dial Watch Ref. 5066, Made for the Japanese Market - The Keystone Watches

Patek Philippe Aquanaut Blue Dial Watch Ref. 5066, Made for the Japanese Market

Patek Philippe Aquanaut Blue Dial Watch Ref. 5066, Made for the Japanese Market

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Chronograph Watch Ref. 5968 - The Keystone Watches

Patek Philippe Aquanaut Chronograph Watch Ref. 5968

Patek Philippe Aquanaut Chronograph Watch Ref. 5968

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New Arrivals Preview
 
Patek Philippe Steel Calatrava Ref. 3466 (New Arrival)

Patek Philippe Steel Calatrava Ref. 3466 (New Arrival)

Patek Philippe Steel Calatrava Ref. 3466 (New Arrival)

$27,000 USD
 
Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

$29,500 USD
 
Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

$9,500 USD
 
Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

$17,500 USD
 
Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

$55,000 USD
 
Patek Philippe - Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival) - The Keystone Watches

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

$15,500 USD
 
Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

$9,200 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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