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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5140 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5140

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5140

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146 - The Keystone Watches

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Retrograde Watch Ref. 5050 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Retrograde Watch Ref. 5050

Patek Philippe Yellow Gold Perpetual Calendar Retrograde Watch Ref. 5050

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Patek Philippe - Patek Philippe Steel Tonneau Ref. 3579 with Original Papers - The Keystone Watches

Patek Philippe Steel Tonneau Ref. 3579 with Original Papers

Patek Philippe Steel Tonneau Ref. 3579 with Original Papers

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Patek Philippe - Patek Philippe Chronometro Gondolo 24 Hour Pocket Watch - The Keystone Watches

Patek Philippe Chronometro Gondolo 24 Hour Pocket Watch

Patek Philippe Chronometro Gondolo 24 Hour Pocket Watch

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Patek Philippe - Patek Philippe Platinum Pocket Watch - The Keystone Watches

Patek Philippe Platinum Pocket Watch

Patek Philippe Platinum Pocket Watch

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Patek Philippe - Patek Philippe White & Yellow Gold Pocket Watch - The Keystone Watches

Patek Philippe White & Yellow Gold Pocket Watch

Patek Philippe White & Yellow Gold Pocket Watch

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Patek Philippe - Patek Philippe White Gold World Time Watch Ref. 5130 - The Keystone Watches

Patek Philippe White Gold World Time Watch Ref. 5130

Patek Philippe White Gold World Time Watch Ref. 5130

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Patek Philippe - Patek Philippe Diamond Cover Watch Ref. 3006 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe Diamond Cover Watch Ref. 3006 (NEW ARRIVAL)

Patek Philippe Diamond Cover Watch Ref. 3006 (NEW ARRIVAL)

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Patek Philippe - Patek Philippe White Gold Automatic Watch Ref. 3739 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe White Gold Automatic Watch Ref. 3739 (NEW ARRIVAL)

Patek Philippe White Gold Automatic Watch Ref. 3739 (NEW ARRIVAL)

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 5270 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 5270

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 5270

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Patek Philippe - Patek Philippe White Gold Ellipse Ref. 3577 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 3577

Patek Philippe White Gold Ellipse Ref. 3577

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Patek Philippe - Patek Philippe Ellipse Ref. 3848 - The Keystone Watches

Patek Philippe Ellipse Ref. 3848

Patek Philippe Ellipse Ref. 3848

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Patek Philippe - Patek Philippe White Gold Ellipse Watch Ref. 3548 - The Keystone Watches

Patek Philippe White Gold Ellipse Watch Ref. 3548

Patek Philippe White Gold Ellipse Watch Ref. 3548

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Patek Philippe - Patek Philippe Yellow Gold Ellipse Watch Ref. 3848 - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Watch Ref. 3848

Patek Philippe Yellow Gold Ellipse Watch Ref. 3848

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Patek Philippe - Patek Philippe White Gold Ellipse Ref. 3748 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 3748

Patek Philippe White Gold Ellipse Ref. 3748

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Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5960 - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5960

Patek Philippe Platinum Chronograph Watch Ref. 5960

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 570 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 570

Patek Philippe White Gold Calatrava Watch Ref. 570

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5970 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5970

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5970

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Patek Philippe - Patek Philippe Yellow Gold Ellipse Ref. 3848 - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Ref. 3848

Patek Philippe Yellow Gold Ellipse Ref. 3848

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Patek Philippe - Patek Philippe Rose Gold Calatrava Ref. 2506 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Ref. 2506

Patek Philippe Rose Gold Calatrava Ref. 2506

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Ref. 2451, Retailed by Gubelin - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Ref. 2451, Retailed by Gubelin

Patek Philippe Yellow Gold Calatrava Ref. 2451, Retailed by Gubelin

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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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