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Patek Philippe White Gold Golden Ellipse Watch Ref. 3644

Patek Philippe White Gold Golden Ellipse Watch Ref. 3644

Patek Philippe White Gold Golden Ellipse Watch Ref. 3644

$15,500 USD
 
Patek Philippe Yellow Gold Ellipse Bracelet Watch Ref. 3838

Patek Philippe Yellow Gold Ellipse Bracelet Watch Ref. 3838

Patek Philippe Yellow Gold Ellipse Bracelet Watch Ref. 3838

$19,500 USD
 
Patek Philippe Yellow Gold Chronograph Two-Tone Dial Watch Ref. 1463

Patek Philippe Yellow Gold Chronograph Two-Tone Dial Watch Ref. 1463

Patek Philippe Yellow Gold Chronograph Two-Tone Dial Watch Ref. 1463

$300,000 USD
 
Breguet Yellow Gold Empire Watch, Circa 1955

Breguet Yellow Gold Empire Watch, Circa 1955

Breguet Yellow Gold Empire Watch, Circa 1955

$97,500 USD
 
Rolex Pink Gold Chronograph Watch Ref. 4062

Rolex Pink Gold Chronograph Watch Ref. 4062

Rolex Pink Gold Chronograph Watch Ref. 4062

$54,000 USD
 
Breguet Souscription Grand Complication Set Watch and Pocket Watch, Circa 1992

Breguet Souscription Grand Complication Set Watch and Pocket Watch, Circa 1992

Breguet Souscription Grand Complication Set Watch and Pocket Watch, Circa 1992

$225,000 USD
 
Omega Yellow Gold Sculptural Watch Ref. 8305, Designed by Andrew Grima for Jeux dOr Collection

Omega Yellow Gold Sculptural Watch Ref. 8305, Designed by Andrew Grima for Jeux dOr Collection

Omega Yellow Gold Sculptural Watch Ref. 8305, Designed by Andrew Grima for Jeux dOr Collection

$60,000 USD
 
Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5307

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5307

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5307

$1,850,000 USD
 
Cartier Yellow Gold Tank Obus Maxi, European Watch & Clock

Cartier Yellow Gold Tank Obus Maxi, European Watch & Clock

Cartier Yellow Gold Tank Obus Maxi, European Watch & Clock

$95,000 USD
 
Rolex Yellow Gold Day-Date Sapphire Ruby Emerald Diamond Ref. 18188

Rolex Yellow Gold Day-Date Sapphire Ruby Emerald Diamond Ref. 18188

Rolex Yellow Gold Day-Date Sapphire Ruby Emerald Diamond Ref. 18188

$525,000 USD
 
Patek Philippe White Gold Perpetual Calendar Chronograph Diamond Watch Ref. 5021, Likely Unique

Patek Philippe White Gold Perpetual Calendar Chronograph Diamond Watch Ref. 5021, Likely Unique

Patek Philippe White Gold Perpetual Calendar Chronograph Diamond Watch Ref. 5021, Likely Unique

$600,000 USD
 
Patek Philippe Yellow Gold Nautilus Ref. 3700 with Original Diamonds

Patek Philippe Yellow Gold Nautilus Ref. 3700 with Original Diamonds

Patek Philippe Yellow Gold Nautilus Ref. 3700 with Original Diamonds

"Price upon request"
 
Patek Philippe White Gold Rectangular Art Deco Watch, 1929

Patek Philippe White Gold Rectangular Art Deco Watch, 1929

Patek Philippe White Gold Rectangular Art Deco Watch, 1929

$55,000 USD
 
Audemars Piguet Yellow Gold Royal Oak Skeleton Watch Ref. 14789BA

Audemars Piguet Yellow Gold Royal Oak Skeleton Watch Ref. 14789BA

Audemars Piguet Yellow Gold Royal Oak Skeleton Watch Ref. 14789BA

$275,000 USD
 
Cartier - Cartier Tank Normale Jumbo 10-Line, European Watch and Clock 1944 - The Keystone Watches

Cartier Tank Normale Jumbo 10-Line, European Watch and Clock 1944

Cartier Tank Normale Jumbo 10-Line, European Watch and Clock 1944

$70,000 USD
 
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3450 with Clear Exhibition Back

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3450 with Clear Exhibition Back

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3450 with Clear Exhibition Back

$350,000 USD
 
Patek Philippe Yellow Gold Art Deco Gondolo Watch, Circa 1913

Patek Philippe Yellow Gold Art Deco Gondolo Watch, Circa 1913

Patek Philippe Yellow Gold Art Deco Gondolo Watch, Circa 1913

$90,000 USD
 
Audemars Piguet Yellow Gold Cobra Watch Ref. 5403 with Khanjar Emblem Dial

Audemars Piguet Yellow Gold Cobra Watch Ref. 5403 with Khanjar Emblem Dial

Audemars Piguet Yellow Gold Cobra Watch Ref. 5403 with Khanjar Emblem Dial

$65,000 USD
 
Patek Philippe Onyx, Malachite & Diamond Watch Ref. 4282

Patek Philippe Onyx, Malachite & Diamond Watch Ref. 4282

Patek Philippe Onyx, Malachite & Diamond Watch Ref. 4282

$60,000 USD
 
Cartier Platinum Salmon Dial Watch Ref. 1611

Cartier Platinum Salmon Dial Watch Ref. 1611

Cartier Platinum Salmon Dial Watch Ref. 1611

$35,000 USD
 
Piaget Rose Gold Altiplano Tourbillon Ref. P11485 with Malachite Marquetry Dial

Piaget Rose Gold Altiplano Tourbillon Ref. P11485 with Malachite Marquetry Dial

Piaget Rose Gold Altiplano Tourbillon Ref. P11485 with Malachite Marquetry Dial

$70,000 USD
 
Patek Philippe Rose Gold Gondolo Gemma Ref. 4980

Patek Philippe Rose Gold Gondolo Gemma Ref. 4980

Patek Philippe Rose Gold Gondolo Gemma Ref. 4980

$10,800 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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