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Patek Philippe Yellow Gold Calatrava Ref. 3403

Patek Philippe Yellow Gold Calatrava Ref. 3403

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Pocket Watch Ref. 652 with Breguet Numerals Retailed by Tiffany & Co. Ref. 652/1 - The Keystone Watches

Patek Philippe Yellow Gold Pocket Watch Ref. 652 with Breguet Numerals Retailed by Tiffany & Co. Ref. 652/1

Patek Philippe Yellow Gold Pocket Watch Ref. 652 with Breguet Numerals Retailed by Tiffany & Co. Ref. 652/1

Sold Out

 

Patek Philippe Steel Weekly Calendar Ref. 5212

Patek Philippe Steel Weekly Calendar Ref. 5212

Sold Out

 

Patek Philippe Unique Platinum Monopusher Split Seconds Chronograph Ref. 5959

Patek Philippe Unique Platinum Monopusher Split Seconds Chronograph Ref. 5959

"Price upon request"
 

Patek Philippe Platinum 10 Day Tourbillon Ref. 5101P

Patek Philippe Platinum 10 Day Tourbillon Ref. 5101P

Sold Out

 

Patek Philippe Yellow Gold Chronograph Pocket Watch

Patek Philippe Yellow Gold Chronograph Pocket Watch

$17,500 USD
 
Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940

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 Yellow Gold Ellipse Dor Bracelet Watch Ref. 4151 - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Dor Bracelet Watch Ref. 4151

Patek Philippe Yellow Gold Ellipse Dor Bracelet Watch Ref. 4151

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ellipse Ref. 3548 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 3548

Patek Philippe White Gold Ellipse Ref. 3548

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Watch Ref. 3525, Retailed by Gobbi Milano - The Keystone Watches

Patek Philippe Yellow Gold Watch Ref. 3525, Retailed by Gobbi Milano

Patek Philippe Yellow Gold Watch Ref. 3525, Retailed by Gobbi Milano

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ultra-Thin Watch Ref. 3588 with Breguet Numerals - The Keystone Watches

Patek Philippe White Gold Ultra-Thin Watch Ref. 3588 with Breguet Numerals

Patek Philippe White Gold Ultra-Thin Watch Ref. 3588 with Breguet Numerals

Sold Out

 
Patek Philippe - Patek Philippe Platinum Grand Complication Minute Repeater Ref. 5316 - The Keystone Watches

Patek Philippe Platinum Grand Complication Minute Repeater Ref. 5316

Patek Philippe Platinum Grand Complication Minute Repeater Ref. 5316

Sold Out

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

Patek Philippe Steel Annual Calendar Chronograph Ref. 5960

Patek Philippe Steel Annual Calendar Chronograph Ref. 5960

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 - Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940. Second Series Dial - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940. Second Series Dial

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940. Second Series Dial

Sold Out

 
Patek Philippe - Patek Philippe Platinum Split Seconds Monopusher Chronograph 5959 - The Keystone Watches

Patek Philippe Platinum Split Seconds Monopusher Chronograph 5959

Patek Philippe Platinum Split Seconds Monopusher Chronograph 5959

"Price upon request"
 
Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Ref. 5140 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Ref. 5140

Patek Philippe Rose Gold Perpetual Calendar Ref. 5140

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Watch Ref. 5236 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5236

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5236

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140

Sold Out

 
Patek Philippe - Patek Philippe White Gold Annual Calendar Watch Ref. 5396 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Watch Ref. 5396

Patek Philippe White Gold Annual Calendar Watch Ref. 5396

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Nautilus Ref. 5066 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Ref. 5066

Patek Philippe Yellow Gold Nautilus Ref. 5066

Sold Out

 
Patek Philippe - Patek Philippe White Gold Gondolo Ref. 5489 - The Keystone Watches

Patek Philippe White Gold Gondolo Ref. 5489

Patek Philippe White Gold Gondolo Ref. 5489

Sold Out

 

Patek Philippe White Gold Skeletonized Calatrava Watch Ref. 7180

Patek Philippe White Gold Skeletonized Calatrava Watch Ref. 7180

Sold Out

 
Patek Philippe - Patek Philippe Platinum Minute Repeater Watch Ref. 5078 - The Keystone Watches

Patek Philippe Platinum Minute Repeater Watch Ref. 5078

Patek Philippe Platinum Minute Repeater Watch Ref. 5078

Sold Out

 
Patek Philippe - Patek Philippe Platinum Minute Repeating Tourbillon Watch Ref. 3939 - The Keystone Watches

Patek Philippe Platinum Minute Repeating Tourbillon Watch Ref. 3939

Patek Philippe Platinum Minute Repeating Tourbillon Watch Ref. 3939

Sold Out

 
Patek Philippe - Patek Philippe White Gold Calatrava Bracelet Watch Ref. 3606 - The Keystone Watches

Patek Philippe White Gold Calatrava Bracelet Watch Ref. 3606

Patek Philippe White Gold Calatrava Bracelet Watch Ref. 3606

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Nautilus Ruby Watch Ref. 5980 - The Keystone Watches

Patek Philippe Rose Gold Nautilus Ruby Watch Ref. 5980

Patek Philippe Rose Gold Nautilus Ruby Watch Ref. 5980

Sold Out

 
Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5070, Single Sealed - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5070, Single Sealed

Patek Philippe Platinum Chronograph Watch Ref. 5070, Single Sealed

Sold Out

 
Patek Philippe - Patek Philippe Platinum Split Seconds Chronograph Watch Ref. 5370 - The Keystone Watches

Patek Philippe Platinum Split Seconds Chronograph Watch Ref. 5370

Patek Philippe Platinum Split Seconds Chronograph Watch Ref. 5370

Sold Out

 
Patek Philippe - Patek Philippe White Gold Bracelet Watch Ref. 3571 with Rare Textured Blue Dial - The Keystone Watches

Patek Philippe White Gold Bracelet Watch Ref. 3571 with Rare Textured Blue Dial

Patek Philippe White Gold Bracelet Watch Ref. 3571 with Rare Textured Blue Dial

Sold Out

 
Patek Philippe - Patek Philippe White Gold Golden Ellipse Watch Ref. 3545 - The Keystone Watches

Patek Philippe White Gold Golden Ellipse Watch Ref. 3545

Patek Philippe White Gold Golden Ellipse Watch Ref. 3545

Sold Out

 
Patek Philippe - Patek Philippe White Gold Mechanical Watch Ref. 3567 with Textured Blue Dial - The Keystone Watches

Patek Philippe White Gold Mechanical Watch Ref. 3567 with Textured Blue Dial

Patek Philippe White Gold Mechanical Watch Ref. 3567 with Textured Blue Dial

Sold Out

 
Patek Philippe Yellow Gold Calatrava Ref. 3440

Patek Philippe Yellow Gold Calatrava Ref. 3440

Patek Philippe Yellow Gold Calatrava Ref. 3440

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Automatic Calatrava Ref. 3601 - The Keystone Watches

Patek Philippe Yellow Gold Automatic Calatrava Ref. 3601

Patek Philippe Yellow Gold Automatic Calatrava Ref. 3601

Sold Out

 
Patek Philippe - Patek Philippe White Gold Lapis Watch Ref. 3578 - The Keystone Watches

Patek Philippe White Gold Lapis Watch Ref. 3578

Patek Philippe White Gold Lapis Watch Ref. 3578

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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