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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 Yellow Gold Ellipse Ref. 3548 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Ref. 3548 (NEW ARRIVAL)

Patek Philippe Yellow Gold Ellipse Ref. 3548 (NEW ARRIVAL)

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Ref. 3802 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Ref. 3802 (NEW ARRIVAL)

Patek Philippe Yellow Gold Calatrava Ref. 3802 (NEW ARRIVAL)

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Logo Cufflinks - The Keystone Watches

Patek Philippe Yellow Gold Logo Cufflinks

Patek Philippe Yellow Gold Logo Cufflinks

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Patek Philippe White Gold and Blue Ellipse Cufflinks

Patek Philippe White Gold and Blue Ellipse Cufflinks

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Patek Philippe - Patek Philippe White Gold Automatic Watch Ref. 3445 - The Keystone Watches

Patek Philippe White Gold Automatic Watch Ref. 3445

Patek Philippe White Gold Automatic Watch Ref. 3445

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Pepita Ref. 4121 - The Keystone Watches

Patek Philippe Yellow Gold Pepita Ref. 4121

Patek Philippe Yellow Gold Pepita Ref. 4121

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Minute Repeater Chronograph Ref. 5208 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Minute Repeater Chronograph Ref. 5208

Patek Philippe Platinum Perpetual Calendar Minute Repeater Chronograph Ref. 5208

Sold Out

 
Patek Philippe - Patek Philippe Platinum Calatrava Watch Ref. 3998 - The Keystone Watches

Patek Philippe Platinum Calatrava Watch Ref. 3998

Patek Philippe Platinum Calatrava Watch Ref. 3998

Sold Out

 

Patek Philippe Yellow Gold Calatrava Ref. 3403

Patek Philippe Yellow Gold Calatrava Ref. 3403

Sold Out

 
Patek Philippe Yellow Gold Pocket Watch Ref. 652 with Breguet Numerals Retailed by Tiffany & Co.

Patek Philippe Yellow Gold Pocket Watch Ref. 652 with Breguet Numerals Retailed by Tiffany & Co.

Patek Philippe Yellow Gold Pocket Watch Ref. 652 with Breguet Numerals Retailed by Tiffany & Co.

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Patek Philippe Steel Weekly Calendar Ref. 5212

Patek Philippe Steel Weekly Calendar Ref. 5212

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Patek Philippe Unique Platinum Monopusher Split Seconds Chronograph Ref. 5959

Patek Philippe Unique Platinum Monopusher Split Seconds Chronograph Ref. 5959

Patek Philippe Unique Platinum Monopusher Split Seconds Chronograph Ref. 5959

"Price upon request"
 

Patek Philippe Platinum 10 Day Tourbillon Ref. 5101P

Patek Philippe Platinum 10 Day Tourbillon Ref. 5101P

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Patek Philippe Yellow Gold Chronograph Pocket Watch

Patek Philippe Yellow Gold Chronograph Pocket Watch

Patek Philippe Yellow Gold Chronograph Pocket Watch

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940

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Patek Philippe Steel Calatrava Ref. 3483

Patek Philippe Steel Calatrava Ref. 3483

Patek Philippe Steel Calatrava Ref. 3483

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Ellipse Dor Bracelet Watch Ref. 4151 - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Dor Bracelet Watch Ref. 4151

Patek Philippe Yellow Gold Ellipse Dor Bracelet Watch Ref. 4151

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

Patek Philippe White Gold Ellipse Ref. 3548

Patek Philippe White Gold Ellipse Ref. 3548

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Watch Ref. 3525, Retailed by Gobbi Milano - The Keystone Watches

Patek Philippe Yellow Gold Watch Ref. 3525, Retailed by Gobbi Milano

Patek Philippe Yellow Gold Watch Ref. 3525, Retailed by Gobbi Milano

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ultra-Thin Watch Ref. 3588 with Breguet Numerals - The Keystone Watches

Patek Philippe White Gold Ultra-Thin Watch Ref. 3588 with Breguet Numerals

Patek Philippe White Gold Ultra-Thin Watch Ref. 3588 with Breguet Numerals

Sold Out

 
Patek Philippe - Patek Philippe Platinum Grand Complication Minute Repeater Ref. 5316 - The Keystone Watches

Patek Philippe Platinum Grand Complication Minute Repeater Ref. 5316

Patek Philippe Platinum Grand Complication Minute Repeater Ref. 5316

Sold Out

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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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