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Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Ceramic Dial

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Ceramic Dial

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Ceramic Dial

Sold Out

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

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

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

Sold Out

 
Patek Philippe White Gold Calatrava Ref. 3423

Patek Philippe White Gold Calatrava Ref. 3423

Patek Philippe White Gold Calatrava Ref. 3423

$35,000 USD
 
Patek Philippe Platinum Split Seconds Chronograph Watch Ref. 5951P

Patek Philippe Platinum Split Seconds Chronograph Watch Ref. 5951P

Patek Philippe Platinum Split Seconds Chronograph Watch Ref. 5951P

$450,000 USD
 
Patek Philippe White Gold Ref. 3644 with Roman Numerals (New Arrival)

Patek Philippe White Gold Ref. 3644 with Roman Numerals (New Arrival)

Patek Philippe White Gold Ref. 3644 with Roman Numerals (New Arrival)

Sold Out

 
Cartier Yellow Gold Tigers Eye Tank Watch, by Piaget (New Arrival)

Cartier Yellow Gold Tigers Eye Tank Watch, by Piaget (New Arrival)

Cartier Yellow Gold Tigers Eye Tank Watch, by Piaget (New Arrival)

Sold Out

 
Patek Philippe Yellow Gold Chronograph Watch Ref. 1506, Circa 1942

Patek Philippe Yellow Gold Chronograph Watch Ref. 1506, Circa 1942

Patek Philippe Yellow Gold Chronograph Watch Ref. 1506, Circa 1942

$450,000 USD
 
Patek Philippe Yellow Gold Calatrava Black Dial Scallop Bracelet Watch Ref. 2526

Patek Philippe Yellow Gold Calatrava Black Dial Scallop Bracelet Watch Ref. 2526

Patek Philippe Yellow Gold Calatrava Black Dial Scallop Bracelet Watch Ref. 2526

$275,000 USD
 
Vacheron Constantin Platinum Perpetual Calendar Diamond & Sapphire Watch Ref. 43031

Vacheron Constantin Platinum Perpetual Calendar Diamond & Sapphire Watch Ref. 43031

Vacheron Constantin Platinum Perpetual Calendar Diamond & Sapphire Watch Ref. 43031

$85,000 USD
 
Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526

Sold Out

 
Hermes Yellow Gold Bracelet Watch

Hermes Yellow Gold Bracelet Watch

Hermes Yellow Gold Bracelet Watch

$19,750 USD
 
Piaget Yellow Gold Pendent with Coral Dial

Piaget Yellow Gold Pendent with Coral Dial

Piaget Yellow Gold Pendent with Coral Dial

Sold Out

 
Patek Philippe Perpetual Calendar Watch Ref. 3448, Late Series with Sapphire Crystal

Patek Philippe Perpetual Calendar Watch Ref. 3448, Late Series with Sapphire Crystal

Patek Philippe Perpetual Calendar Watch Ref. 3448, Late Series with Sapphire Crystal

$275,000 USD
 
Patek Philippe Yellow Gold Hand-Engraved Ellipse Pocket Watch Ref. 874

Patek Philippe Yellow Gold Hand-Engraved Ellipse Pocket Watch Ref. 874

Patek Philippe Yellow Gold Hand-Engraved Ellipse Pocket Watch Ref. 874

$55,000 USD
 
Patek Philippe Rose Gold Calatrava Ref. 5196 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 5196 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 5196 (New Arrival)

Sold Out

 
Patek Philippe White Gold Ellipse Ref. 3745 (New Arrival)

Patek Philippe White Gold Ellipse Ref. 3745 (New Arrival)

Patek Philippe White Gold Ellipse Ref. 3745 (New Arrival)

Sold Out

 
Piaget White Gold Watch Ref. 93414 with Diamonds and Sapphires

Piaget White Gold Watch Ref. 93414 with Diamonds and Sapphires

Piaget White Gold Watch Ref. 93414 with Diamonds and Sapphires

Sold Out

 
Cartier Yellow Gold Ronde Escalier, Circa 1940

Cartier Yellow Gold Ronde Escalier, Circa 1940

Cartier Yellow Gold Ronde Escalier, Circa 1940

$19,500 USD
 
Cartier Platinum Tank Salmon Dial Ref. 16011 (New Arrival)

Cartier Platinum Tank Salmon Dial Ref. 16011 (New Arrival)

Cartier Platinum Tank Salmon Dial Ref. 16011 (New Arrival)

Sold Out

 
Patek Philippe Yellow Gold Skeleton Enamel Pocket Watch Ref. 899

Patek Philippe Yellow Gold Skeleton Enamel Pocket Watch Ref. 899

Patek Philippe Yellow Gold Skeleton Enamel Pocket Watch Ref. 899

$145,000 USD
 
Patek Philippe Yellow Gold Diamond Sapphire Watch, Ref. 3319

Patek Philippe Yellow Gold Diamond Sapphire Watch, Ref. 3319

Patek Philippe Yellow Gold Diamond Sapphire Watch, Ref. 3319

$20,000 USD
 
Cartier White Gold Astrotourbillon Ref. W1556204 (New Arrival)

Cartier White Gold Astrotourbillon Ref. W1556204 (New Arrival)

Cartier White Gold Astrotourbillon Ref. W1556204 (New Arrival)

$42,000 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.

Stay in touch.

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