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Patek Philippe Steel Nautilus Chronograph Ref. 5980

Patek Philippe Steel Nautilus Chronograph Ref. 5980

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Ref. 5496 with Box and Papers - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Ref. 5496 with Box and Papers

Patek Philippe Platinum Perpetual Calendar Ref. 5496 with Box and Papers

Sold Out

 

Patek Philippe Rose Gold World Time Ref. 5130

Patek Philippe Rose Gold World Time Ref. 5130

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Pocket Watch Ref. 725/2 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Pocket Watch Ref. 725/2

Patek Philippe Yellow Gold Perpetual Calendar Pocket Watch Ref. 725/2

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 Yellow Gold Golden Ellipse Watch Ref. 3862

Patek Philippe Yellow Gold Golden Ellipse Watch Ref. 3862

Sold Out

 

Patek Philippe Yellow Gold Gondolo Ref. 3528

Patek Philippe Yellow Gold Gondolo Ref. 3528

Sold Out

 

Patek Philippe Platinum Calatrava Watch Ref. 5196 (New Arrival)

Patek Philippe Platinum Calatrava Watch Ref. 5196 (New Arrival)

Sold Out

 

Patek Philippe Steel XL Pocket Watch (NEW ARRIVAL)

Patek Philippe Steel XL Pocket Watch (NEW ARRIVAL)

Sold Out

 

Patek Philippe Yellow Gold Diamond Watch Ref. 4508 in Like New Condition (NEW ARRIVAL)

Patek Philippe Yellow Gold Diamond Watch Ref. 4508 in Like New Condition (NEW ARRIVAL)

Sold Out

 

Patek Philippe Yellow Gold Watch (NEW ARRIVAL)

Patek Philippe Yellow Gold Watch (NEW ARRIVAL)

Sold Out

 

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Sold Out

 
Patek Philippe Yellow Gold Pocket Watch Ref. 652 Retailed by Tiffany & Co.

Patek Philippe Yellow Gold Pocket Watch Ref. 652 Retailed by Tiffany & Co.

Patek Philippe Yellow Gold Pocket Watch Ref. 652 Retailed by Tiffany & Co.

$8,000 USD
 

Patek Philippe Yellow Gold Chronmetro Gondolo

Patek Philippe Yellow Gold Chronmetro Gondolo

Sold Out

 

Patek Philippe Yellow Gold Calatrava Watch Ref. 2573, Retailed by Cartier

Patek Philippe Yellow Gold Calatrava Watch Ref. 2573, Retailed by Cartier

Sold Out

 

Patek Philippe Yellow Gold Calatrava Ref. 96

Patek Philippe Yellow Gold Calatrava Ref. 96

Sold Out

 

Patek Philippe Yellow Gold Diamond Onyx Watch Ref. 3625

Patek Philippe Yellow Gold Diamond Onyx Watch Ref. 3625

Sold Out

 

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 retailed by Gubelin in Top Condition

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 retailed by Gubelin in Top Condition

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Split Seconds Chronograph Ref. 5004P with Unique Red Numeral 2 (Private Sale) - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Split Seconds Chronograph Ref. 5004P with Unique Red Numeral 2 (Private Sale)

Patek Philippe Platinum Perpetual Calendar Split Seconds Chronograph Ref. 5004P with Unique Red Numeral 2 (Private Sale)

"Price upon request"
 
Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Ref. 3448 on a Bracelet (Private Sale) - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3448 on a Bracelet (Private Sale)

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3448 on a Bracelet (Private Sale)

"Price upon request"
 

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5307 (Private Sale)

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5307 (Private Sale)

"Price upon request"
 

Patek Philippe White Gold Calatrava Handcraft Watch Ref. 5177 (Private Sale)

Patek Philippe White Gold Calatrava Handcraft Watch Ref. 5177 (Private Sale)

"Price upon request"
 

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3448, Possibly Unique (Private Sale)

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3448, Possibly Unique (Private Sale)

"Price upon request"
 
Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013  (Private Sale) - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013 (Private Sale)

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013 (Private Sale)

"Price upon request"
 

Patek Philippe Yellow Gold Calatrava Ref. 2426

Patek Philippe Yellow Gold Calatrava Ref. 2426

Sold Out

 

Patek Philippe White Gold Calatrava Watch Ref. 570, Top Condition

Patek Philippe White Gold Calatrava Watch Ref. 570, Top Condition

Sold Out

 
Patek Philippe White Gold Calatrava Handcraft Watch Ref. 5177

Patek Philippe White Gold Calatrava Handcraft Watch Ref. 5177

Patek Philippe White Gold Calatrava Handcraft Watch Ref. 5177

"Price upon request"
 

Patek Philippe White Gold Chronograph Ref. 5071 (Private Sale)

Patek Philippe White Gold Chronograph Ref. 5071 (Private Sale)

"Price upon request"
 

Patek Philippe Gilbert Albert Diamond Cover Watch Ref. 3266 (Private Sale)

Patek Philippe Gilbert Albert Diamond Cover Watch Ref. 3266 (Private Sale)

"Price upon request"
 

Patek Philippe Perpetual Calendar Watch Ref. 3945

Patek Philippe Perpetual Calendar Watch Ref. 3945

Sold Out

 

Patek Philippe White Gold Ellipse Watch Ref. 3548

Patek Philippe White Gold Ellipse Watch Ref. 3548

Sold Out

 

Patek Philippe White Gold Ellipse Watch Ref. 3577

Patek Philippe White Gold Ellipse Watch Ref. 3577

Sold Out

 

Patek Philippe Platinum Handcraft Watch Ref. 5077 with Enamel Iris and Night Fireflies

Patek Philippe Platinum Handcraft Watch Ref. 5077 with Enamel Iris and Night Fireflies

Sold Out

 

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945

Sold Out

 

Patek Philippe Yellow Gold Calatrava Watch Ref. 570

Patek Philippe Yellow Gold Calatrava Watch Ref. 570

Sold Out

 

Patek Philippe White Gold Back Wind Golden Ellipse Ref. 3586

Patek Philippe White Gold Back Wind Golden Ellipse Ref. 3586

Sold Out

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New Arrivals Preview
 
Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

"Price upon request"
 
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
 
Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

$18,750 USD
 
Boucheron - Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival) - The Keystone Watches

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

$9,500 USD
 
Rolex - Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival) - The Keystone Watches

Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival)

Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival)

$7,500 USD
 
Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

$15,500 USD
 
Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

Patek Philiipe White Gold Calatrava Watch Ref. 3919 (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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