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Patek Philippe Yellow Gold Jumbo Automatic Golden Circle Ref. 3585 in Mint Condition

Patek Philippe Yellow Gold Jumbo Automatic Golden Circle Ref. 3585 in Mint Condition

Patek Philippe Yellow Gold Jumbo Automatic Golden Circle Ref. 3585 in Mint Condition

Sold Out

 
Patek Philippe Rose Gold Calatrava Watch Ref. 2449

Patek Philippe Rose Gold Calatrava Watch Ref. 2449

Patek Philippe Rose Gold Calatrava Watch Ref. 2449

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5040 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5040

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5040

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Patek Philiipe Yellow Gold Vintage Ladies Jewelry Watch

Patek Philiipe Yellow Gold Vintage Ladies Jewelry Watch

Patek Philiipe Yellow Gold Vintage Ladies Jewelry Watch

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 4700 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 4700

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 4700

Sold Out

 
Patek Philippe White Gold Ellipse Ref. 3584

Patek Philippe White Gold Ellipse Ref. 3584

Patek Philippe White Gold Ellipse Ref. 3584

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Patek Philippe Yellow Gold Cover Watch Ref. 4955

Patek Philippe Yellow Gold Cover Watch Ref. 4955

Patek Philippe Yellow Gold Cover Watch Ref. 4955

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Patek Philippe - Patek Philippe Yellow Gold Ellipse Ref. 3848 (New Arrival) - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Ref. 3848 (New Arrival)

Patek Philippe Yellow Gold Ellipse Ref. 3848 (New Arrival)

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Patek Philippe Steel Backwind Ellipse Watch Ref. 3580 with Blue Dial

Patek Philippe Steel Backwind Ellipse Watch Ref. 3580 with Blue Dial

Patek Philippe Steel Backwind Ellipse Watch Ref. 3580 with Blue Dial

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Patek Philippe - Patek Philippe Yellow Gold Tigerseye Watch Ref. 4282 - The Keystone Watches

Patek Philippe Yellow Gold Tigerseye Watch Ref. 4282

Patek Philippe Yellow Gold Tigerseye Watch Ref. 4282

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Ref. 3800 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Ref. 3800

Patek Philippe Yellow Gold Nautilus Ref. 3800

Sold Out

 
Patek Philippe White Gold Ellipse Ref. 4226 with Brown Sunburst Dial

Patek Philippe White Gold Ellipse Ref. 4226 with Brown Sunburst Dial

Patek Philippe White Gold Ellipse Ref. 4226 with Brown Sunburst Dial

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Patek Phillipe Yellow Gold Gondolo Ref. 5024

Patek Phillipe Yellow Gold Gondolo Ref. 5024

Patek Phillipe Yellow Gold Gondolo Ref. 5024

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Ref. 3893 in Fantastic Original Condition - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Ref. 3893 in Fantastic Original Condition

Patek Philippe Yellow Gold Calatrava Ref. 3893 in Fantastic Original Condition

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Patek Philippe Yellow Gold Calatrava Ref. 3919

Patek Philippe Yellow Gold Calatrava Ref. 3919

Patek Philippe Yellow Gold Calatrava Ref. 3919

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Patek Philippe - Patek Calatrava Yellow Gold Calatrava Ref. 3919 with Gubelin Dial - The Keystone Watches

Patek Calatrava Yellow Gold Calatrava Ref. 3919 with Gubelin Dial

Patek Calatrava Yellow Gold Calatrava Ref. 3919 with Gubelin Dial

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Patek Philippe White Gold Square Watch Ref. 3555

Patek Philippe White Gold Square Watch Ref. 3555

Patek Philippe White Gold Square Watch Ref. 3555

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Patek Philippe - Patek Philippe White Gold Gondolo Trapeze Ref. 5489G - The Keystone Watches

Patek Philippe White Gold Gondolo Trapeze Ref. 5489G

Patek Philippe White Gold Gondolo Trapeze Ref. 5489G

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Patek Philippe Yellow Gold Nautilus Ref. 4700

Patek Philippe Yellow Gold Nautilus Ref. 4700

Patek Philippe Yellow Gold Nautilus Ref. 4700

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Patek Philippe Yellow Gold Calatrava Watch Ref. 2593, Retailed by Tiffany & Co.

Patek Philippe Yellow Gold Calatrava Watch Ref. 2593, Retailed by Tiffany & Co.

Patek Philippe Yellow Gold Calatrava Watch Ref. 2593, Retailed by Tiffany & Co.

Sold Out

 
Patek Philippe - Patek Philippe White Gold Vintage Ladies Watch Ref. 4217 - The Keystone Watches

Patek Philippe White Gold Vintage Ladies Watch Ref. 4217

Patek Philippe White Gold Vintage Ladies Watch Ref. 4217

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Patek White Gold Vintage Ellipse with Original Diamonds Ref. 4177

Patek White Gold Vintage Ellipse with Original Diamonds Ref. 4177

Patek White Gold Vintage Ellipse with Original Diamonds Ref. 4177

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New Arrivals Preview
 
Audemars Piguet Perpetual Calendar Minute Repeater Murat Pocket Watch (New Arrival)

Audemars Piguet Perpetual Calendar Minute Repeater Murat Pocket Watch (New Arrival)

Audemars Piguet Perpetual Calendar Minute Repeater Murat Pocket Watch (New Arrival)

$275,000 USD
 
Audemars Piguet John Shaeffer Star Wheel Minute Repeater Ref. 25881OR (New Arrival)

Audemars Piguet John Shaeffer Star Wheel Minute Repeater Ref. 25881OR (New Arrival)

Audemars Piguet John Shaeffer Star Wheel Minute Repeater Ref. 25881OR (New Arrival)

$300,000 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
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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