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Cartier Yellow Gold Tank Louis Ref. 78086

Cartier Yellow Gold Tank Louis Ref. 78086

Cartier Yellow Gold Tank Louis Ref. 78086

$10,800 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Mechanical Watch Ref. 92239 - The Keystone Watches

Vacheron Constantin Yellow Gold Mechanical Watch Ref. 92239

Vacheron Constantin Yellow Gold Mechanical Watch Ref. 92239

$7,500 USD
 
Breguet Yellow Gold Emerald & Diamond Watch

Breguet Yellow Gold Emerald & Diamond Watch

Breguet Yellow Gold Emerald & Diamond Watch

$36,000 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
 
Cartier Yellow Gold Officers Watch, 1910

Cartier Yellow Gold Officers Watch, 1910

Cartier Yellow Gold Officers Watch, 1910

$19,000 USD
 
Piaget White Gold Dual Time Watch Ref. 69212

Piaget White Gold Dual Time Watch Ref. 69212

Piaget White Gold Dual Time Watch Ref. 69212

$34,000 USD
 
Vacheron Constantin Yellow Gold Kalla Ref. 10546

Vacheron Constantin Yellow Gold Kalla Ref. 10546

Vacheron Constantin Yellow Gold Kalla Ref. 10546

$155,000 USD
 
Audemars Piguet Yellow Gold Royal Oak Watch Ref. 4100 with Khanjar Emblem of Oman

Audemars Piguet Yellow Gold Royal Oak Watch Ref. 4100 with Khanjar Emblem of Oman

Audemars Piguet Yellow Gold Royal Oak Watch Ref. 4100 with Khanjar Emblem of Oman

$85,000 USD
 
Audemars Piguet White Gold Royal Oak Ref. 14949

Audemars Piguet White Gold Royal Oak Ref. 14949

Audemars Piguet White Gold Royal Oak Ref. 14949

$55,000 USD
 
Rolex Yellow Gold Day-Date Ruby & Diamond Watch Ref. 18068

Rolex Yellow Gold Day-Date Ruby & Diamond Watch Ref. 18068

Rolex Yellow Gold Day-Date Ruby & Diamond Watch Ref. 18068

$650,000 USD
 
Audemars Piguet Steel Tonneau Watch Ref. 5369

Audemars Piguet Steel Tonneau Watch Ref. 5369

Audemars Piguet Steel Tonneau Watch Ref. 5369

$6,700 USD
 
Rolex Yellow Gold Cellini Pocket Watch 3718/8

Rolex Yellow Gold Cellini Pocket Watch 3718/8

Rolex Yellow Gold Cellini Pocket Watch 3718/8

$6,000 USD
 
Patek Philippe Yellow Gold Breguet Numerals Ref. 438

Patek Philippe Yellow Gold Breguet Numerals Ref. 438

Patek Philippe Yellow Gold Breguet Numerals Ref. 438

$32,000 USD
 
Patek Philippe - Patek Philippe Yellow Gold Minute Repeater Porcelain Dial Watch Ref. 3979 - The Keystone Watches

Patek Philippe Yellow Gold Minute Repeater Porcelain Dial Watch Ref. 3979

Patek Philippe Yellow Gold Minute Repeater Porcelain Dial Watch Ref. 3979

$450,000 USD
 
Rolex - Rolex Oyster Perpetual Honeycomb Ovetone Watch Ref. 6098 - The Keystone Watches

Rolex Oyster Perpetual Honeycomb Ovetone Watch Ref. 6098

Rolex Oyster Perpetual Honeycomb Ovetone Watch Ref. 6098

$55,000 USD
 
Piaget Yellow Gold with Diamonds and Opal Dial Ref. 9005 DB

Piaget Yellow Gold with Diamonds and Opal Dial Ref. 9005 DB

Piaget Yellow Gold with Diamonds and Opal Dial Ref. 9005 DB

$12,000 USD
 
Cartier Platinum Art Deco Watch, European Watch & Clock, 1923

Cartier Platinum Art Deco Watch, European Watch & Clock, 1923

Cartier Platinum Art Deco Watch, European Watch & Clock, 1923

$13,500 USD
 
Cartier Yellow Gold Pocket Watch, 1925

Cartier Yellow Gold Pocket Watch, 1925

Cartier Yellow Gold Pocket Watch, 1925

$10,800 USD
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New Arrivals Preview
 
Patek Philippe White Gold Calatrava Ref. 3445 (New Arrival)

Patek Philippe White Gold Calatrava Ref. 3445 (New Arrival)

Patek Philippe White Gold Calatrava Ref. 3445 (New Arrival)

$15,500 USD
 
Patek Philippe Rose Gold Top Hat Watch Ref. 1450 (New Arrival)

Patek Philippe Rose Gold Top Hat Watch Ref. 1450 (New Arrival)

Patek Philippe Rose Gold Top Hat Watch Ref. 1450 (New Arrival)

$14,000 USD
 
Audemars Piguet Round UFO-Style Bracelet Watch (New Arrival)

Audemars Piguet Round UFO-Style Bracelet Watch (New Arrival)

Audemars Piguet Round UFO-Style Bracelet Watch (New Arrival)

$10,500 USD
 
Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

$29,500 USD
 
Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

$17,500 USD
 
Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

$55,000 USD
 
Patek Philippe - Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival) - The Keystone Watches

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

$15,500 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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