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Patek Philippe - Patek Philippe Yellow Gold Calatrava Ref. 2428 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Ref. 2428

Patek Philippe Yellow Gold Calatrava Ref. 2428

Sold Out

 
Rolex - Rolex Steel Daytona Ref. 16520 with Patrizzi Dial in Exceptional Condition - The Keystone Watches

Rolex Steel Daytona Ref. 16520 with Patrizzi Dial in Exceptional Condition

Rolex Steel Daytona Ref. 16520 with Patrizzi Dial in Exceptional Condition

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 5136 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5136

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5136

Sold Out

 
Rolex - Rolex Yellow Gold Day-Date Ref. 18238 with Factory Diamond Dial - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 18238 with Factory Diamond Dial

Rolex Yellow Gold Day-Date Ref. 18238 with Factory Diamond Dial

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Piaget - Piaget Yellow Gold Manchette Lapis Watch - The Keystone Watches

Piaget Yellow Gold Manchette Lapis Watch

Piaget Yellow Gold Manchette Lapis Watch

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Patek Philippe - Patek Philippe White Gold Ellipse Ref. 3788 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 3788

Patek Philippe White Gold Ellipse Ref. 3788

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Rolex - Rolex Datejust Ref. 68058 with Pave Diamond and Sapphire Dial - The Keystone Watches

Rolex Datejust Ref. 68058 with Pave Diamond and Sapphire Dial

Rolex Datejust Ref. 68058 with Pave Diamond and Sapphire Dial

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Vacheron Constantin - Vacheron Constantin Steel 222 Ref 44018 - The Keystone Watches

Vacheron Constantin Steel 222 Ref 44018

Vacheron Constantin Steel 222 Ref 44018

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Rolex - Rolex Yellow Gold Submariner Watch Ref. 16618 with Lapis Lazuli Dial - The Keystone Watches

Rolex Yellow Gold Submariner Watch Ref. 16618 with Lapis Lazuli Dial

Rolex Yellow Gold Submariner Watch Ref. 16618 with Lapis Lazuli Dial

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Rolex - Rolex Yellow Gold GMT-Master II Ref. 16718 retailed by Tiffany & Co. - The Keystone Watches

Rolex Yellow Gold GMT-Master II Ref. 16718 retailed by Tiffany & Co.

Rolex Yellow Gold GMT-Master II Ref. 16718 retailed by Tiffany & Co.

Sold Out

 
Patek Philippe - Patek Philippe White Gold Square Watch Ref. 3404 - The Keystone Watches

Patek Philippe White Gold Square Watch Ref. 3404

Patek Philippe White Gold Square Watch Ref. 3404

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Audemars Piguet - Audemars Piguet White Gold Mechanical TV Shaped Watch - The Keystone Watches

Audemars Piguet White Gold Mechanical TV Shaped Watch

Audemars Piguet White Gold Mechanical TV Shaped Watch

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Audemars Piguet Steel The Beast Royal Oak Offshore Chronograph Ref. 25721 with Certificate

Audemars Piguet Steel The Beast Royal Oak Offshore Chronograph Ref. 25721 with Certificate

Audemars Piguet Steel The Beast Royal Oak Offshore Chronograph Ref. 25721 with Certificate

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Cartier - Cartier Steel Santos Dumont Ref. WSSA0046 with Black Lacquer Dial - The Keystone Watches

Cartier Steel Santos Dumont Ref. WSSA0046 with Black Lacquer Dial

Cartier Steel Santos Dumont Ref. WSSA0046 with Black Lacquer Dial

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Franck Muller - Franck Muller White Gold Chronograph Ref. 7000CCDCD - The Keystone Watches

Franck Muller White Gold Chronograph Ref. 7000CCDCD

Franck Muller White Gold Chronograph Ref. 7000CCDCD

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Ref. 5039 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Ref. 5039

Patek Philippe Yellow Gold Perpetual Calendar Ref. 5039

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Audemars Piguet - Audemars Piguet Royal Oak Ref. 56303 with Tropical Dial - The Keystone Watches

Audemars Piguet Royal Oak Ref. 56303 with Tropical Dial

Audemars Piguet Royal Oak Ref. 56303 with Tropical Dial

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Audemars Piguet - Audemars Piguet White Gold Automatic Watch Retailed by Hermes - The Keystone Watches

Audemars Piguet White Gold Automatic Watch Retailed by Hermes

Audemars Piguet White Gold Automatic Watch Retailed by Hermes

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Cartier - Cartier Platinum Santos Ref. 1575 - The Keystone Watches

Cartier Platinum Santos Ref. 1575

Cartier Platinum Santos Ref. 1575

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Piaget - Piaget White Gold Lapis Lazuli Watch Ref. 26011 - The Keystone Watches

Piaget White Gold Lapis Lazuli Watch Ref. 26011

Piaget White Gold Lapis Lazuli Watch Ref. 26011

Sold Out

 
IWC - IWC Platinum Novecento Perpetual Calendar Ref. 3546 - The Keystone Watches

IWC Platinum Novecento Perpetual Calendar Ref. 3546

IWC Platinum Novecento Perpetual Calendar Ref. 3546

Sold Out

 
Audemars Piguet - Audemars Piguet White Gold Hobnail Watch with Blue Dial - The Keystone Watches

Audemars Piguet White Gold Hobnail Watch with Blue Dial

Audemars Piguet White Gold Hobnail Watch with Blue Dial

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Patek Philippe Platinum Grand Complication Perpetual Calendar Minute Repeater Watch Ref. 5016

Patek Philippe Platinum Grand Complication Perpetual Calendar Minute Repeater Watch Ref. 5016

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Audemars Piguet - Audemars Piguet Yellow Gold Diamond Moonphase Watch - The Keystone Watches

Audemars Piguet Yellow Gold Diamond Moonphase Watch

Audemars Piguet Yellow Gold Diamond Moonphase Watch

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Breguet - Breguet White Gold Hora Mundi World Time Ref. 3700BB - The Keystone Watches

Breguet White Gold Hora Mundi World Time Ref. 3700BB

Breguet White Gold Hora Mundi World Time Ref. 3700BB

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Audemars Piguet - Audemars Piguet White Gold Bracelet Watch with Original Box and Papers - The Keystone Watches

Audemars Piguet White Gold Bracelet Watch with Original Box and Papers

Audemars Piguet White Gold Bracelet Watch with Original Box and Papers

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A. Lange & Sohne - A. Lange & Sohne White Gold Lange 1 101.027x - The Keystone Watches

A. Lange & Sohne White Gold Lange 1 101.027x

A. Lange & Sohne White Gold Lange 1 101.027x

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Ref. 3514 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Ref. 3514

Patek Philippe Yellow Gold Calatrava Ref. 3514

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Rolex - Rolex Daytona Big Red Watch Ref. 6263 in Like-New Condition - The Keystone Watches

Rolex Daytona Big Red Watch Ref. 6263 in Like-New Condition

Rolex Daytona Big Red Watch Ref. 6263 in Like-New Condition

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Ref. 3800 Retailed by Gubelin - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Ref. 3800 Retailed by Gubelin

Patek Philippe Yellow Gold Nautilus Ref. 3800 Retailed by Gubelin

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Patek Philippe - Patek Philippe White Gold Calatrava Ref. 570 - The Keystone Watches

Patek Philippe White Gold Calatrava Ref. 570

Patek Philippe White Gold Calatrava Ref. 570

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Audemars Piguet White Gold Royal Oak Ref. 5402

Audemars Piguet White Gold Royal Oak Ref. 5402

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Ref. 3800J - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Ref. 3800J

Patek Philippe Yellow Gold Nautilus Ref. 3800J

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Cartier - Cartier Steel Watch with Bumper Automatic Movement, European Watch & Clock - The Keystone Watches

Cartier Steel Watch with Bumper Automatic Movement, European Watch & Clock

Cartier Steel Watch with Bumper Automatic Movement, European Watch & Clock

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Patek Philippe - Patek Philippe White Gold Mechanical Watch - The Keystone Watches

Patek Philippe White Gold Mechanical Watch

Patek Philippe White Gold Mechanical Watch

Sold Out

 
Rolex - Rolex Platinum Day-Date Ref. 18046 - The Keystone Watches

Rolex Platinum Day-Date Ref. 18046

Rolex Platinum Day-Date Ref. 18046

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)

$150,000 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
 
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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