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Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960

Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960

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Patek Philippe - Patek Philippe Rose Gold World Time Cloisonne Watch Ref. 5131 - The Keystone Watches

Patek Philippe Rose Gold World Time Cloisonne Watch Ref. 5131

Patek Philippe Rose Gold World Time Cloisonne Watch Ref. 5131

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Patek Philippe Annual Calendar Chronograph Watch Ref. 5960

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960

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Rolex Yellow Gold Submariner Ref. 16618 in Outstanding Condition

Rolex Yellow Gold Submariner Ref. 16618 in Outstanding Condition

Rolex Yellow Gold Submariner Ref. 16618 in Outstanding Condition

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Cartier Yellow Gold Jumbo Tank Automatic Ref. 17011

Cartier Yellow Gold Jumbo Tank Automatic Ref. 17011

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Cartier Yellow Gold Pasha de Cartier Prongeur Ref. 2111

Cartier Yellow Gold Pasha de Cartier Prongeur Ref. 2111

Cartier Yellow Gold Pasha de Cartier Prongeur Ref. 2111

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Audemars Piguet - Audemars Piguet Yellow Gold Cobra Watch with Pave Dial - The Keystone Watches

Audemars Piguet Yellow Gold Cobra Watch with Pave Dial

Audemars Piguet Yellow Gold Cobra Watch with Pave Dial

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Patek Philippe Rose Gold Perpetual Calendar Split Seconds Chronograph Watch Ref. 5204

Patek Philippe Rose Gold Perpetual Calendar Split Seconds Chronograph Watch Ref. 5204

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Ulysse Nardin Yellow Gold Minute Repeater Watch Ref. 701-22

Ulysse Nardin Yellow Gold Minute Repeater Watch Ref. 701-22

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Piaget - Piaget White Gold Backset Watch Ref. 7708 - The Keystone Watches

Piaget White Gold Backset Watch Ref. 7708

Piaget White Gold Backset Watch Ref. 7708

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Cartier White Gold Skeleton Tank Louis Ref. W5310012

Cartier White Gold Skeleton Tank Louis Ref. W5310012

Cartier White Gold Skeleton Tank Louis Ref. W5310012

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Girard Perregaux Yellow Gold Vintage Watch Ref. 9851RA

Girard Perregaux Yellow Gold Vintage Watch Ref. 9851RA

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Patek Philippe White Gold Gondolo Ref. 5010

Patek Philippe White Gold Gondolo Ref. 5010

Patek Philippe White Gold Gondolo Ref. 5010

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Audemars Piguet - Audemars Piguet Ladies White Gold Skeleton Watch Ref. 77176 - The Keystone Watches

Audemars Piguet Ladies White Gold Skeleton Watch Ref. 77176

Audemars Piguet Ladies White Gold Skeleton Watch Ref. 77176

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Patek Philippe White Gold World Time Ref. 5110

Patek Philippe White Gold World Time Ref. 5110

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Patek Philippe - Patek Philippe White Gold Grand Complication Minute Repeater Watch Ref. 5213 - The Keystone Watches

Patek Philippe White Gold Grand Complication Minute Repeater Watch Ref. 5213

Patek Philippe White Gold Grand Complication Minute Repeater Watch Ref. 5213

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Audemars Piguet White Gold Beaded Bracelet Watch with Tropical Dial

Audemars Piguet White Gold Beaded Bracelet Watch with Tropical Dial

Audemars Piguet White Gold Beaded Bracelet Watch with Tropical Dial

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Audemars Piguet Steel Automatic Watch with Smoked Vignette Dial

Audemars Piguet Steel Automatic Watch with Smoked Vignette Dial

Audemars Piguet Steel Automatic Watch with Smoked Vignette Dial

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Audemars Piguet White Gold Lapis Lazuli and Diamond Watch

Audemars Piguet White Gold Lapis Lazuli and Diamond Watch

Audemars Piguet White Gold Lapis Lazuli and Diamond Watch

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Audemars Piguet - Audemars Piguet White Gold Octagonal Watch with Pave and Onyx Dial - The Keystone Watches

Audemars Piguet White Gold Octagonal Watch with Pave and Onyx Dial

Audemars Piguet White Gold Octagonal Watch with Pave and Onyx Dial

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Audemars Piguet - Audemars Piguet White Gold Bracelet Watch - The Keystone Watches

Audemars Piguet White Gold Bracelet Watch

Audemars Piguet White Gold Bracelet Watch

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Cartier - Cartier Yellow Gold Vintage Tank - The Keystone Watches

Cartier Yellow Gold Vintage Tank

Cartier Yellow Gold Vintage Tank

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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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