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Patek Philippe Rose Gold Calatrava Ref. 5000

Patek Philippe Rose Gold Calatrava Ref. 5000

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Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

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Patek Philippe - Patek Philippe White Gold Ellipse Ref. 4716 with Factory Diamonds Bracelet - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 4716 with Factory Diamonds Bracelet

Patek Philippe White Gold Ellipse Ref. 4716 with Factory Diamonds Bracelet

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Patek Philippe Steel Neptune Watch Ref. 5080 with Salmon Dial

Patek Philippe Steel Neptune Watch Ref. 5080 with Salmon Dial

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Patek Philippe - Patek Philippe Steel Tonneau Watch Ref. 3574 - The Keystone Watches

Patek Philippe Steel Tonneau Watch Ref. 3574

Patek Philippe Steel Tonneau Watch Ref. 3574

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Patek Philippe Yellow Gold Gondolo Ref. 5014

Patek Philippe Yellow Gold Gondolo Ref. 5014

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Patek Philippe Rose Gold Perpetual Calendar Ref. 5140

Patek Philippe Rose Gold Perpetual Calendar Ref. 5140

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Patek Philippe White Gold Ellipse Ref. 3848 with JPE Chain Link Bracelet (New Arrival)

Patek Philippe White Gold Ellipse Ref. 3848 with JPE Chain Link Bracelet (New Arrival)

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Patek Philippe White Gold Ellipse Ref. 3548 (New Arrival)

Patek Philippe White Gold Ellipse Ref. 3548 (New Arrival)

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Patek Philippe White Gold Ref. 570

Patek Philippe White Gold Ref. 570

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Patek Philippe Two-Tone Dial Watch Ref. 1503

Patek Philippe Two-Tone Dial Watch Ref. 1503

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Patek Philippe White Gold Disco Volante Ref. 2501

Patek Philippe White Gold Disco Volante Ref. 2501

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Patek Philippe Steel Calatrava Ref. 3466

Patek Philippe Steel Calatrava Ref. 3466

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Patek Philippe Yellow Gold Minute Repeater Enamel Watch Ref. 3979 (New Arrival)

Patek Philippe Yellow Gold Minute Repeater Enamel Watch Ref. 3979 (New Arrival)

Patek Philippe Yellow Gold Minute Repeater Enamel Watch Ref. 3979 (New Arrival)

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Patek Philippe White Gold Calatrava Ref. 3919 (New Arrival)

Patek Philippe White Gold Calatrava Ref. 3919 (New Arrival)

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Patek Philippe Yellow Gold Calatrava Ref. 3601 with Blue Dial (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 3601 with Blue Dial (New Arrival)

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Patek Philippe White Gold Calatrava Ref. 3445 Retailed by Gubelin (New Arrival)

Patek Philippe White Gold Calatrava Ref. 3445 Retailed by Gubelin (New Arrival)

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Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 3970

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 3970

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Patek Philippe Yellow Gold Nautilus Ref. 3800/105 with Pave Diamond and Emerald

Patek Philippe Yellow Gold Nautilus Ref. 3800/105 with Pave Diamond and Emerald

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Patek Philippe - Patek Philippe White Gold World Time 175th Anniversary Ref. 5575 - The Keystone Watches

Patek Philippe White Gold World Time 175th Anniversary Ref. 5575

Patek Philippe White Gold World Time 175th Anniversary Ref. 5575

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Patek Philippe White Gold Calatrava Watch Ref. 3919

Patek Philippe White Gold Calatrava Watch Ref. 3919

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Patek Philippe Yellow Gold Perpetual Calendar Baguette Watch Ref. 3990

Patek Philippe Yellow Gold Perpetual Calendar Baguette Watch Ref. 3990

Patek Philippe Yellow Gold Perpetual Calendar Baguette Watch Ref. 3990

"Price upon request"
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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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