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Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5374

Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5374

Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5374

$875,000 USD
 
Patek Philippe Platinum Grand Complications Minute Repeater Watch Ref. 5207 in Like-New Condition

Patek Philippe Platinum Grand Complications Minute Repeater Watch Ref. 5207 in Like-New Condition

Patek Philippe Platinum Grand Complications Minute Repeater Watch Ref. 5207 in Like-New Condition

$775,000 USD
 
Rolex Yellow Gold Day-Date Rainbow Watch Ref. 18188, Circa 1983

Rolex Yellow Gold Day-Date Rainbow Watch Ref. 18188, Circa 1983

Rolex Yellow Gold Day-Date Rainbow Watch Ref. 18188, Circa 1983

$1,050,000 USD
 
Rolex Yellow Gold Woven Bracelet Cover Watch with Gay Freres Bracelet

Rolex Yellow Gold Woven Bracelet Cover Watch with Gay Freres Bracelet

Rolex Yellow Gold Woven Bracelet Cover Watch with Gay Freres Bracelet

$24,000 USD
 
Rolex Steel Zenith Daytona Ref. 16520 with U-Serial and Tan Subdials

Rolex Steel Zenith Daytona Ref. 16520 with U-Serial and Tan Subdials

Rolex Steel Zenith Daytona Ref. 16520 with U-Serial and Tan Subdials

$34,000 USD
 
Cartier Yellow Gold Cloche Ref 2841, 100 pieces Made for CPCP Collection

Cartier Yellow Gold Cloche Ref 2841, 100 pieces Made for CPCP Collection

Cartier Yellow Gold Cloche Ref 2841, 100 pieces Made for CPCP Collection

$74,000 USD
 
Patek Philipppe Yellow Gold Rectangular Breguet Numerals Watch Ref. 431

Patek Philipppe Yellow Gold Rectangular Breguet Numerals Watch Ref. 431

Patek Philipppe Yellow Gold Rectangular Breguet Numerals Watch Ref. 431

$48,000 USD
 
Audemars Piguet Yellow Gold Perpetual Calendar Minute Repeater Pocket Watch, Retailed by Asprey

Audemars Piguet Yellow Gold Perpetual Calendar Minute Repeater Pocket Watch, Retailed by Asprey

Audemars Piguet Yellow Gold Perpetual Calendar Minute Repeater Pocket Watch, Retailed by Asprey

$155,000 USD
 
Patek Philippe Rose Gold Power Reserve Moon Phase Calendar Watch Ref. 5055

Patek Philippe Rose Gold Power Reserve Moon Phase Calendar Watch Ref. 5055

Patek Philippe Rose Gold Power Reserve Moon Phase Calendar Watch Ref. 5055

$29,000 USD
 
Patek Philippe Yellow Gold Nautellipse Ref. 3770

Patek Philippe Yellow Gold Nautellipse Ref. 3770

Patek Philippe Yellow Gold Nautellipse Ref. 3770

$95,000 USD
 
A. Lange & Sohne Rose Gold Little Lange 1 Ref. 813.047

A. Lange & Sohne Rose Gold Little Lange 1 Ref. 813.047

A. Lange & Sohne Rose Gold Little Lange 1 Ref. 813.047

$29,800 USD
 
Rolex Yellow Gold Day-Date Ref. 18148 Diamond & Ruby Bezel and Dial

Rolex Yellow Gold Day-Date Ref. 18148 Diamond & Ruby Bezel and Dial

Rolex Yellow Gold Day-Date Ref. 18148 Diamond & Ruby Bezel and Dial

$85,000 USD
 
Cartier Yellow Gold Tank Louis Ref. 78086

Cartier Yellow Gold Tank Louis Ref. 78086

Cartier Yellow Gold Tank Louis Ref. 78086

$10,800 USD
 
Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition

$165,000 USD
 
Patek Philippe - Patek Philippe Platinum Ellipse Ref. 5738G - The Keystone Watches

Patek Philippe Platinum Ellipse Ref. 5738G

Patek Philippe Platinum Ellipse Ref. 5738G

$85,000 USD
 
Patek Philippe White Gold Annual Calendar 5054G

Patek Philippe White Gold Annual Calendar 5054G

Patek Philippe White Gold Annual Calendar 5054G

$25,500 USD
 
Patek Philippe Steel Nautilus Ref. 3800 with Roman Numeral Dial

Patek Philippe Steel Nautilus Ref. 3800 with Roman Numeral Dial

Patek Philippe Steel Nautilus Ref. 3800 with Roman Numeral Dial

$68,000 USD
 
Patek Philippe Yellow Gold Skater Ref. 2425

Patek Philippe Yellow Gold Skater Ref. 2425

Patek Philippe Yellow Gold Skater Ref. 2425

$26,000 USD
 
Audemars Piguet White Gold Bracelet Watch Ref. 56478

Audemars Piguet White Gold Bracelet Watch Ref. 56478

Audemars Piguet White Gold Bracelet Watch Ref. 56478

$27,500 USD
 
A. Lange & Sohne White Gold Perpetual Calendar Watch Ref. 310.026

A. Lange & Sohne White Gold Perpetual Calendar Watch Ref. 310.026

A. Lange & Sohne White Gold Perpetual Calendar Watch Ref. 310.026

$64,000 USD
 
Patek Philippe Pink Gold Rectangular Watch Ref. 425 Retailed by Tiffany & Co.

Patek Philippe Pink Gold Rectangular Watch Ref. 425 Retailed by Tiffany & Co.

Patek Philippe Pink Gold Rectangular Watch Ref. 425 Retailed by Tiffany & Co.

$35,000 USD
 
Cartier Yellow Gold Officers Watch, 1910

Cartier Yellow Gold Officers Watch, 1910

Cartier Yellow Gold Officers Watch, 1910

$19,000 USD
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New Arrivals Preview
 
Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

$19,800 USD
 
Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

$16,000 USD
 
Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

$75,000 USD
 
Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

$30,000 USD
 
Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

$105,000 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival) - The Keystone Watches

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

$60,000 USD
 
Audemars Piguet - Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival) - The Keystone Watches

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

$18,000 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.

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