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Patek Philippe Steel Convertible Ref. 3418 with Service Papers and Pouch (New Arrivals)

Patek Philippe Steel Convertible Ref. 3418 with Service Papers and Pouch (New Arrivals)

Patek Philippe Steel Convertible Ref. 3418 with Service Papers and Pouch (New Arrivals)

Sold Out

 
Audemars Piguet White Gold Falcons Eye Dial Automatic (New Arrival)

Audemars Piguet White Gold Falcons Eye Dial Automatic (New Arrival)

Audemars Piguet White Gold Falcons Eye Dial Automatic (New Arrival)

$19,500 USD
 
Patek Philippe Yellow Gold Calatrava Automatic Ref. 3429 with JPE Bracelet (New Arrival)

Patek Philippe Yellow Gold Calatrava Automatic Ref. 3429 with JPE Bracelet (New Arrival)

Patek Philippe Yellow Gold Calatrava Automatic Ref. 3429 with JPE Bracelet (New Arrival)

Sold Out

 
Vacheron Constantin White Gold Traditionnelle High Jewellery Watch Ref. 81760

Vacheron Constantin White Gold Traditionnelle High Jewellery Watch Ref. 81760

Vacheron Constantin White Gold Traditionnelle High Jewellery Watch Ref. 81760

$190,000 USD
 
Gerald Genta Steel Retro Fantasy Mickey Mouse Ref. M10 (New Arrival)

Gerald Genta Steel Retro Fantasy Mickey Mouse Ref. M10 (New Arrival)

Gerald Genta Steel Retro Fantasy Mickey Mouse Ref. M10 (New Arrival)

Sold Out

 
Breguet - Breguet White Gold Classique Watch Ref. 3360 - The Keystone Watches

Breguet White Gold Classique Watch Ref. 3360

Breguet White Gold Classique Watch Ref. 3360

Sold Out

 
Audemars Piguet Platinum Tourbillon Minute Repeater Ref. 25948PT

Audemars Piguet Platinum Tourbillon Minute Repeater Ref. 25948PT

Audemars Piguet Platinum Tourbillon Minute Repeater Ref. 25948PT

$140,000 USD
 
Patek Philippe Yellow Gold Calatrava Ref. 3796 (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 3796 (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 3796 (New Arrival)

Sold Out

 
Audemars Piguet Disco Volante Watch Ref. 5093 (New Arrival)

Audemars Piguet Disco Volante Watch Ref. 5093 (New Arrival)

Audemars Piguet Disco Volante Watch Ref. 5093 (New Arrival)

Sold Out

 
Patek Philippe White Gold Automatic Calatrava Ref. 3593

Patek Philippe White Gold Automatic Calatrava Ref. 3593

Patek Philippe White Gold Automatic Calatrava Ref. 3593

$16,500 USD
 
Hublot Yellow Gold MDM Red Enamel Tank Watch Ref. 1582.3

Hublot Yellow Gold MDM Red Enamel Tank Watch Ref. 1582.3

Hublot Yellow Gold MDM Red Enamel Tank Watch Ref. 1582.3

"Price upon request"
 
Audemars Piguet Steel Royal Oak Ref. 56023 (New Arrival)

Audemars Piguet Steel Royal Oak Ref. 56023 (New Arrival)

Audemars Piguet Steel Royal Oak Ref. 56023 (New Arrival)

Sold Out

 
Rolex Steel Paul Newman Daytona Ref. 6262

Rolex Steel Paul Newman Daytona Ref. 6262

Rolex Steel Paul Newman Daytona Ref. 6262

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Patek Philippe Pink Gold Two-Tone Dial Watch Ref. 130, Circa 1953

Patek Philippe Pink Gold Two-Tone Dial Watch Ref. 130, Circa 1953

Patek Philippe Pink Gold Two-Tone Dial Watch Ref. 130, Circa 1953

Sold Out

 
Patek Philippe Yellow Gold Tegolino Watch Ref. 425 with Black Dial Retailed by Gubelin

Patek Philippe Yellow Gold Tegolino Watch Ref. 425 with Black Dial Retailed by Gubelin

Patek Philippe Yellow Gold Tegolino Watch Ref. 425 with Black Dial Retailed by Gubelin

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Rolex Steel Submariner Ref. 5513 with Nice Patina, Circa 1984 (New Arrival)

Rolex Steel Submariner Ref. 5513 with Nice Patina, Circa 1984 (New Arrival)

Rolex Steel Submariner Ref. 5513 with Nice Patina, Circa 1984 (New Arrival)

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Patek Philippe White Gold Square Watch Ref. 4222 (New Arrival)

Patek Philippe White Gold Square Watch Ref. 4222 (New Arrival)

Patek Philippe White Gold Square Watch Ref. 4222 (New Arrival)

Sold Out

 
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
 
A. Lange & Sohne - A. Lange & Sohne White Gold Grand Lange 1 Lange Luminous Ref. 115.028 - The Keystone Watches

A. Lange & Sohne White Gold Grand Lange 1 Lange Luminous Ref. 115.028

A. Lange & Sohne White Gold Grand Lange 1 Lange Luminous Ref. 115.028

Sold Out

 
Cartier Yellow Gold Secret Hidden Shutter Watch, European Watch & Clock (New Arrival)

Cartier Yellow Gold Secret Hidden Shutter Watch, European Watch & Clock (New Arrival)

Cartier Yellow Gold Secret Hidden Shutter Watch, European Watch & Clock (New Arrival)

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne Platinum 1815 Tourbillon Watch Ref. 730.025 - The Keystone Watches

A. Lange & Sohne Platinum 1815 Tourbillon Watch Ref. 730.025

A. Lange & Sohne Platinum 1815 Tourbillon Watch Ref. 730.025

Sold Out

 
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
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New Arrivals Preview
 
Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

$38,000 USD
 
Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

$30,000 USD
 
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)

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

$60,000 USD
 
Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

$58,000 USD
 
Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

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
 
Cartier Yellow Gold Tank Normale Bracelet Watch  Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

$36,000 USD
 
Cartier - Cartier Yellow Gold Tank Reverso (New Arrival) - The Keystone Watches

Cartier Yellow Gold Tank Reverso (New Arrival)

Cartier Yellow Gold Tank Reverso (New Arrival)

$34,500 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.

Stay in touch.

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