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

Patek Philippe Steel Automatic Watch Ref. 3580

Patek Philippe Steel Automatic Watch Ref. 3580

Sold Out

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

Patek Philippe Steel Automatic Watch Ref. 3580

Patek Philippe Steel Automatic Watch Ref. 3580

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Patek Philippe Steel Backwind Ellipse Watch Ref. 3580 with Blue Dial

Patek Philippe Steel Backwind Ellipse Watch Ref. 3580 with Blue Dial

Patek Philippe Steel Backwind Ellipse Watch Ref. 3580 with Blue Dial

Sold Out

 
Patek Philippe - Patek Philippe Steel Calatrava Automatic Watch, Ref. 3466 - The Keystone Watches

Patek Philippe Steel Calatrava Automatic Watch, Ref. 3466

Patek Philippe Steel Calatrava Automatic Watch, Ref. 3466

Sold Out

 
Patek Philippe - Patek Philippe Steel Calatrava Breguet Numerals Ref. 96 - The Keystone Watches

Patek Philippe Steel Calatrava Breguet Numerals Ref. 96

Patek Philippe Steel Calatrava Breguet Numerals Ref. 96

Sold Out

 
Patek Philippe - Patek Philippe Steel Calatrava Ref. 3418 - The Keystone Watches

Patek Philippe Steel Calatrava Ref. 3418

Patek Philippe Steel Calatrava Ref. 3418

Sold Out

 

Patek Philippe Steel Calatrava Ref. 3466

Patek Philippe Steel Calatrava Ref. 3466

Sold Out

 
Patek Philippe - Patek Philippe Steel Calatrava Ref. 3483 - The Keystone Watches

Patek Philippe Steel Calatrava Ref. 3483

Patek Philippe Steel Calatrava Ref. 3483

$27,500 USD
 
Patek Philippe - Patek Philippe Steel Calatrava Ref. 3509 - The Keystone Watches

Patek Philippe Steel Calatrava Ref. 3509

Patek Philippe Steel Calatrava Ref. 3509

Sold Out

 

Patek Philippe Steel Calatrava Ref. 3509

Patek Philippe Steel Calatrava Ref. 3509

Sold Out

 
Patek Philippe - Patek Philippe Steel Calatrava Ref. 3509 with Box and Papers - The Keystone Watches

Patek Philippe Steel Calatrava Ref. 3509 with Box and Papers

Patek Philippe Steel Calatrava Ref. 3509 with Box and Papers

Sold Out

 

Patek Philippe Steel Calatrava Ref. 3579 in Outstanding Original Condition

Patek Philippe Steel Calatrava Ref. 3579 in Outstanding Original Condition

Sold Out

 

Patek Philippe Steel Calatrava Ref. 3579 in Outstanding Original Condition (New Arrival)

Patek Philippe Steel Calatrava Ref. 3579 in Outstanding Original Condition (New Arrival)

Sold Out

 
Patek Philippe - Patek Philippe Steel Calatrava Steel Ref. 565 - The Keystone Watches

Patek Philippe Steel Calatrava Steel Ref. 565

Patek Philippe Steel Calatrava Steel Ref. 565

Sold Out

 
Patek Philippe - Patek Philippe Steel Calatrava Watch Ref. 2509 - The Keystone Watches

Patek Philippe Steel Calatrava Watch Ref. 2509

Patek Philippe Steel Calatrava Watch Ref. 2509

Sold Out

 
Patek Philippe - Patek Philippe Steel Calatrava Watch Ref. 3418 - The Keystone Watches

Patek Philippe Steel Calatrava Watch Ref. 3418

Patek Philippe Steel Calatrava Watch Ref. 3418

Sold Out

 
Patek Philippe - Patek Philippe Steel Calatrava Watch Ref. 3466 - The Keystone Watches

Patek Philippe Steel Calatrava Watch Ref. 3466

Patek Philippe Steel Calatrava Watch Ref. 3466

Sold Out

 
Patek Philippe - Patek Philippe Steel Calatrava Watch Ref. 3483 - The Keystone Watches

Patek Philippe Steel Calatrava Watch Ref. 3483

Patek Philippe Steel Calatrava Watch Ref. 3483

Sold Out

 
Patek Philippe - Patek Philippe Steel Calatrava Watch Ref. 3509 with Original Box and Papers - The Keystone Watches

Patek Philippe Steel Calatrava Watch Ref. 3509 with Original Box and Papers

Patek Philippe Steel Calatrava Watch Ref. 3509 with Original Box and Papers

Sold Out

 
Patek Philippe - Patek Philippe Steel Dual Time Aquanaut Ref. 5164 - The Keystone Watches

Patek Philippe Steel Dual Time Aquanaut Ref. 5164

Patek Philippe Steel Dual Time Aquanaut Ref. 5164

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Patek Philippe - Patek Philippe Steel Dual Time Aquanaut Ref. 5164 - The Keystone Watches

Patek Philippe Steel Dual Time Aquanaut Ref. 5164

Patek Philippe Steel Dual Time Aquanaut Ref. 5164

Sold Out

 
Patek Philippe - Patek Philippe Steel Embroidered Dial Watch Ref. 3474 - The Keystone Watches

Patek Philippe Steel Embroidered Dial Watch Ref. 3474

Patek Philippe Steel Embroidered Dial Watch Ref. 3474

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Patek Philippe - Patek Philippe Steel Jumbo Nautilus Ref. 3700 - The Keystone Watches

Patek Philippe Steel Jumbo Nautilus Ref. 3700

Patek Philippe Steel Jumbo Nautilus Ref. 3700

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Patek Philippe - Patek Philippe Steel Midsize Nautilus Watch Ref. 3900 - The Keystone Watches

Patek Philippe Steel Midsize Nautilus Watch Ref. 3900

Patek Philippe Steel Midsize Nautilus Watch Ref. 3900

Sold Out

 
Patek Philippe - Patek Philippe Steel Monopusher Salmon Dial Chronograph Watch Ref. 5950 - The Keystone Watches

Patek Philippe Steel Monopusher Salmon Dial Chronograph Watch Ref. 5950

Patek Philippe Steel Monopusher Salmon Dial Chronograph Watch Ref. 5950

Sold Out

 

Patek Philippe Steel Nautilus Chronograph Ref. 5980

Patek Philippe Steel Nautilus Chronograph Ref. 5980

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Chronograph Watch Ref. 5990 - The Keystone Watches

Patek Philippe Steel Nautilus Chronograph Watch Ref. 5990

Patek Philippe Steel Nautilus Chronograph Watch Ref. 5990

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Moonphase Watch Ref. 3712 with Original Box and Papers - The Keystone Watches

Patek Philippe Steel Nautilus Moonphase Watch Ref. 3712 with Original Box and Papers

Patek Philippe Steel Nautilus Moonphase Watch Ref. 3712 with Original Box and Papers

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Moonphase Watch Ref. 5712/1A - The Keystone Watches

Patek Philippe Steel Nautilus Moonphase Watch Ref. 5712/1A

Patek Philippe Steel Nautilus Moonphase Watch Ref. 5712/1A

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Moonphase Watch Ref. 5726/1A - The Keystone Watches

Patek Philippe Steel Nautilus Moonphase Watch Ref. 5726/1A

Patek Philippe Steel Nautilus Moonphase Watch Ref. 5726/1A

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Ref 5712/1A - The Keystone Watches

Patek Philippe Steel Nautilus Ref 5712/1A

Patek Philippe Steel Nautilus Ref 5712/1A

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Patek Philippe - Patek Philippe Steel Nautilus Ref. 3710 - The Keystone Watches

Patek Philippe Steel Nautilus Ref. 3710

Patek Philippe Steel Nautilus Ref. 3710

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Ref. 3710/1A - The Keystone Watches

Patek Philippe Steel Nautilus Ref. 3710/1A

Patek Philippe Steel Nautilus Ref. 3710/1A

Sold Out

 

Patek Philippe Steel Nautilus Ref. 3712

Patek Philippe Steel Nautilus Ref. 3712

Sold Out

 

Patek Philippe Steel Nautilus Ref. 3800

Patek Philippe Steel Nautilus Ref. 3800

Sold Out

 

Patek Philippe Steel Nautilus Ref. 3800

Patek Philippe Steel Nautilus Ref. 3800

Sold Out

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New Arrivals Preview
 
Patek Philippe 565 Retailed by Hausmann & Co. (New Arrival)

Patek Philippe 565 Retailed by Hausmann & Co. (New Arrival)

Patek Philippe 565 Retailed by Hausmann & Co. (New Arrival)

$105,000 USD
 
Cartier Yellow Gold Tonneau Watch, Paris 1991 (New Arrival)

Cartier Yellow Gold Tonneau Watch, Paris 1991 (New Arrival)

Cartier Yellow Gold Tonneau Watch, Paris 1991 (New Arrival)

$11,500 USD
 
Audemars Piguet White Gold Diamond & Sapphire Watch Ref. 14781 with Original Warranty (New Arrival)

Audemars Piguet White Gold Diamond & Sapphire Watch Ref. 14781 with Original Warranty (New Arrival)

Audemars Piguet White Gold Diamond & Sapphire Watch Ref. 14781 with Original Warranty (New Arrival)

$58,000 USD
 
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
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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