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Patek Philippe - Patek Philippe Platinum Grand Complication Ref. 5016 - The Keystone Watches

Patek Philippe Platinum Grand Complication Ref. 5016

Patek Philippe Platinum Grand Complication Ref. 5016

Sold Out

 

Patek Philippe White Gold Calatrava Ref. 3445

Patek Philippe White Gold Calatrava Ref. 3445

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold World Time Watch Ref. 1415 - The Keystone Watches

Patek Philippe Yellow Gold World Time Watch Ref. 1415

Patek Philippe Yellow Gold World Time Watch Ref. 1415

Sold Out

 
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

Sold Out

 
Patek Philippe - Patek Philippe Steel Calatrava Ref. 3418 - The Keystone Watches

Patek Philippe Steel Calatrava Ref. 3418

Patek Philippe Steel Calatrava Ref. 3418

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Patek Philippe - Patek Philippe Yellow Gold Calatrava ref 3893 with Cream Tiffany & Co. Dial - The Keystone Watches

Patek Philippe Yellow Gold Calatrava ref 3893 with Cream Tiffany & Co. Dial

Patek Philippe Yellow Gold Calatrava ref 3893 with Cream Tiffany & Co. Dial

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Ref 5140 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Ref 5140

Patek Philippe Platinum Perpetual Calendar Ref 5140

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Patek Philippe Yellow Gold Calatrava Watch Ref. 3445, Retailed by Gubelin

Patek Philippe Yellow Gold Calatrava Watch Ref. 3445, Retailed by Gubelin

Sold Out

 
Patek Philippe - Patek Philippe Steel Ref. 3579 - The Keystone Watches

Patek Philippe Steel Ref. 3579

Patek Philippe Steel Ref. 3579

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Patek Philippe - Patek Philippe Yellow Gold Ellipse Ref 3738 - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Ref 3738

Patek Philippe Yellow Gold Ellipse Ref 3738

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Pilot Ref. 5524R - The Keystone Watches

Patek Philippe Rose Gold Pilot Ref. 5524R

Patek Philippe Rose Gold Pilot Ref. 5524R

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Patek Philippe - Patek Philippe Rose Gold Nautilus Ref. 5711 - The Keystone Watches

Patek Philippe Rose Gold Nautilus Ref. 5711

Patek Philippe Rose Gold Nautilus Ref. 5711

Sold Out

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

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140

Sold Out

 
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

Sold Out

 
Patek Philippe - Patek Philippe Platinum World Time Watch Ref. 5131 - The Keystone Watches

Patek Philippe Platinum World Time Watch Ref. 5131

Patek Philippe Platinum World Time Watch Ref. 5131

Sold Out

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

Patek Phillipe White Gold Ellipse Ref. 3548

Patek Phillipe White Gold Ellipse Ref. 3548

Sold Out

 
Patek Philippe - Patek Philippe White Gold Grand Ellipse Ref. 3589 - The Keystone Watches

Patek Philippe White Gold Grand Ellipse Ref. 3589

Patek Philippe White Gold Grand Ellipse Ref. 3589

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Patek Philippe - PATEK PHILIPPE STEEL AQUANAUT REF 5065 - The Keystone Watches

PATEK PHILIPPE STEEL AQUANAUT REF 5065

PATEK PHILIPPE STEEL AQUANAUT REF 5065

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Patek Philippe - Patek Phillipe White Gold Grand Ellipse Ref. 3589 - The Keystone Watches

Patek Phillipe White Gold Grand Ellipse Ref. 3589

Patek Phillipe White Gold Grand Ellipse Ref. 3589

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Watch Ref. 3700 with Tropical Brown Dial - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 3700 with Tropical Brown Dial

Patek Philippe Steel Nautilus Watch Ref. 3700 with Tropical Brown Dial

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Patek Philippe - Patek Philippe Steel Calatrava Breguet Numerals Ref. 96 - The Keystone Watches

Patek Philippe Steel Calatrava Breguet Numerals Ref. 96

Patek Philippe Steel Calatrava Breguet Numerals Ref. 96

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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

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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