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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
 
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3448, Circa 1977

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3448, Circa 1977

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3448, Circa 1977

$225,000 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
 
Patek Philippe White Gold Perpetual Calendar Watch Ref. 3448

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3448

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3448

$975,000 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
 
Rolex Yellow Gold Jean Claude Killy Watch Ref. 6036

Rolex Yellow Gold Jean Claude Killy Watch Ref. 6036

Rolex Yellow Gold Jean Claude Killy Watch Ref. 6036

$550,000 USD
 
Rolex Rose Gold Turnograph Oyster Perpetual Ref. 6309

Rolex Rose Gold Turnograph Oyster Perpetual Ref. 6309

Rolex Rose Gold Turnograph Oyster Perpetual Ref. 6309

$35,000 USD
 
Universal Geneve White Gold Blue Enamel & Diamond Watch

Universal Geneve White Gold Blue Enamel & Diamond Watch

Universal Geneve White Gold Blue Enamel & Diamond Watch

$19,000 USD
 
Cartier Paris Nephrite Clock, 1930

Cartier Paris Nephrite Clock, 1930

Cartier Paris Nephrite Clock, 1930

$25,000 USD
 
Piaget Yellow Gold Polo Ref. 7131 in Like New Condition Box and Papers

Piaget Yellow Gold Polo Ref. 7131 in Like New Condition Box and Papers

Piaget Yellow Gold Polo Ref. 7131 in Like New Condition Box and Papers

$25,000 USD
 
Rolex - Rolex Yellow Gold Oysterquartz Day-Date Ref. 19158 with Sapphires and Diamonds - The Keystone Watches

Rolex Yellow Gold Oysterquartz Day-Date Ref. 19158 with Sapphires and Diamonds

Rolex Yellow Gold Oysterquartz Day-Date Ref. 19158 with Sapphires and Diamonds

$300,000 USD
 
Rolex Yellow Gold Prince Imperial Pocket Watch Ref. 1645 Retailed by Hardy Bros Ltd

Rolex Yellow Gold Prince Imperial Pocket Watch Ref. 1645 Retailed by Hardy Bros Ltd

Rolex Yellow Gold Prince Imperial Pocket Watch Ref. 1645 Retailed by Hardy Bros Ltd

$18,500 USD
 
Audemars Piguet - Audemars Piguet Skeletonized Pocket Watch - The Keystone Watches

Audemars Piguet Skeletonized Pocket Watch

Audemars Piguet Skeletonized Pocket Watch

$22,000 USD
 
Vacheron Constantin Yellow Gold Diamond & Ruby Bracelet Watch

Vacheron Constantin Yellow Gold Diamond & Ruby Bracelet Watch

Vacheron Constantin Yellow Gold Diamond & Ruby Bracelet Watch

$38,000 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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