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Patek Philippe - Patek Philiipe White Gold Perpetual Calendar Watch Ref. 5140 - The Keystone Watches

Patek Philiipe White Gold Perpetual Calendar Watch Ref. 5140

Patek Philiipe White Gold Perpetual Calendar Watch Ref. 5140

Sold Out

 
Patek Philiipe White Gold Pocket Watch Ref. 874 (New Arrival)

Patek Philiipe White Gold Pocket Watch Ref. 874 (New Arrival)

Patek Philiipe White Gold Pocket Watch Ref. 874 (New Arrival)

$23,500 USD
 
Patek Philippe - Patek Philiipe Yellow Gold Pepita Watch Ref. 4121 - The Keystone Watches

Patek Philiipe Yellow Gold Pepita Watch Ref. 4121

Patek Philiipe Yellow Gold Pepita Watch Ref. 4121

$55,000 USD
 
Patek Philiipe Yellow Gold Vintage Ladies Jewelry Watch

Patek Philiipe Yellow Gold Vintage Ladies Jewelry Watch

Patek Philiipe Yellow Gold Vintage Ladies Jewelry Watch

$8,500 USD
 
Patek Philippe 18K Yellow Gold Lapis Cufflinks, 1960s (Objet)

Patek Philippe 18K Yellow Gold Lapis Cufflinks, 1960s (Objet)

Patek Philippe 18K Yellow Gold Lapis Cufflinks, 1960s (Objet)

$4,500 USD
 
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.

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

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

Sold Out

 
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

Sold Out

 
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

Sold Out

 
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

Sold Out

 
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

Sold Out

 
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

Sold Out

 
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

Sold Out

 
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

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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 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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Patek Philippe - Patek Philippe Aquanaut Jumbo Automatic Watch Ref. 5065 - The Keystone Watches

Patek Philippe Aquanaut Jumbo Automatic Watch Ref. 5065

Patek Philippe Aquanaut Jumbo Automatic Watch Ref. 5065

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Jumbo Automatic Watch Ref. 5065 - The Keystone Watches

Patek Philippe Aquanaut Jumbo Automatic Watch Ref. 5065

Patek Philippe Aquanaut Jumbo Automatic Watch Ref. 5065

Sold Out

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

Patek Philippe Aquanaut Jumbo Automatic Watch Ref. 5167

Patek Philippe Aquanaut Jumbo Automatic Watch Ref. 5167

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Jumbo Watch Ref. 5065 - The Keystone Watches

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Jumbo Watch Ref. 5065 - The Keystone Watches

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Jumbo Watch Ref. 5065 - The Keystone Watches

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Jumbo Watch Ref. 5065 - The Keystone Watches

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Jumbo Watch Ref. 5065 - The Keystone Watches

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Jumbo Watch Ref. 5065 with Original Box and Paper - The Keystone Watches

Patek Philippe Aquanaut Jumbo Watch Ref. 5065 with Original Box and Paper

Patek Philippe Aquanaut Jumbo Watch Ref. 5065 with Original Box and Paper

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Jumbo Watch Ref. 5065 with Original Box and Paper - The Keystone Watches

Patek Philippe Aquanaut Jumbo Watch Ref. 5065 with Original Box and Paper

Patek Philippe Aquanaut Jumbo Watch Ref. 5065 with Original Box and Paper

Sold Out

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New Arrivals Preview
 
Rolex - Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival) - The Keystone Watches

Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival)

Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival)

$15,500 USD
 
Rolex White Gold Cellini Ref. 4083 (New Arrival)

Rolex White Gold Cellini Ref. 4083 (New Arrival)

Rolex White Gold Cellini Ref. 4083 (New Arrival)

$4,500 USD
 
Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

$9,800 USD
 
Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

$15,000 USD
 
Rolex - Rolex Yellow Gold Day-Date Ref. 18238 in Original Condition (New Arrival) - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 18238 in Original Condition (New Arrival)

Rolex Yellow Gold Day-Date Ref. 18238 in Original Condition (New Arrival)

$17,500 USD
 
Patek Philiipe White Gold Pocket Watch Ref. 874 (New Arrival)

Patek Philiipe White Gold Pocket Watch Ref. 874 (New Arrival)

Patek Philiipe White Gold Pocket Watch Ref. 874 (New Arrival)

$23,500 USD
 
Patek Philippe - Patek Philippe Yellow Gold Watch Ref. 3479 Retailed by Beyer (New Arrival) - The Keystone Watches

Patek Philippe Yellow Gold Watch Ref. 3479 Retailed by Beyer (New Arrival)

Patek Philippe Yellow Gold Watch Ref. 3479 Retailed by Beyer (New Arrival)

$8,500 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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