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

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Sold Out

 

Patek Philippe Steel Calatrava Ref. 3509

Patek Philippe Steel Calatrava Ref. 3509

Sold Out

 
Patek Philippe Yellow Gold Chronograph Ref. 130 Retailed by Tiffany (Private Sale)

Patek Philippe Yellow Gold Chronograph Ref. 130 Retailed by Tiffany (Private Sale)

Patek Philippe Yellow Gold Chronograph Ref. 130 Retailed by Tiffany (Private Sale)

"Price upon request"
 
Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Pocket Watch Ref. 725/2 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Pocket Watch Ref. 725/2

Patek Philippe Yellow Gold Perpetual Calendar Pocket Watch Ref. 725/2

Sold Out

 
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3448, Possibly Unique (Private Sale)

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3448, Possibly Unique (Private Sale)

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3448, Possibly Unique (Private Sale)

"Price upon request"
 

Patek Philippe Yellow Gold Calatrava Ref. 2426

Patek Philippe Yellow Gold Calatrava Ref. 2426

Sold Out

 
Patek Philippe Gilbert Albert Diamond Cover Watch Ref. 3266  (Private Sale)

Patek Philippe Gilbert Albert Diamond Cover Watch Ref. 3266 (Private Sale)

Patek Philippe Gilbert Albert Diamond Cover Watch Ref. 3266 (Private Sale)

"Price upon request"
 

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945

Sold Out

 
Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5020

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5020

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5020

"Price upon request"
 

Patek Philippe Rose Gold Annual Calendar Ref. 5035, One of 100 Made for AC Milan

Patek Philippe Rose Gold Annual Calendar Ref. 5035, One of 100 Made for AC Milan

Sold Out

 

Patek Philippe White Gold Nautilus Watch Ref. 4700

Patek Philippe White Gold Nautilus Watch Ref. 4700

Sold Out

 

Patek Philippe White Gold Vintage Watch Ref. 3528

Patek Philippe White Gold Vintage Watch Ref. 3528

Sold Out

 

Patek Philippe Yellow Gold Calatrava Ref. 2428

Patek Philippe Yellow Gold Calatrava Ref. 2428

Sold Out

 

Patek Philippe Rose Gold Calatrava Ref. 1594 retailed by Freccero

Patek Philippe Rose Gold Calatrava Ref. 1594 retailed by Freccero

Sold Out

 

Patek Philippe White Gold Beta 21 Watch Ref. 3597

Patek Philippe White Gold Beta 21 Watch Ref. 3597

Sold Out

 
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 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 - 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

Sold Out

 
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

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Ref. 3710/1A - The Keystone Watches

Patek Philippe Steel Nautilus Ref. 3710/1A

Patek Philippe Steel Nautilus Ref. 3710/1A

Sold Out

 
Patek Philippe - Patek Philippe White Gold Golden Ellipse Watch Ref. 3545 - The Keystone Watches

Patek Philippe White Gold Golden Ellipse Watch Ref. 3545

Patek Philippe White Gold Golden Ellipse Watch Ref. 3545

Sold Out

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New Arrivals Preview
 
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
 
Audemars Piguet Royal Oak Dual Time Watch Ref. 25730 with Bright Yellow Dial (New Arrival)

Audemars Piguet Royal Oak Dual Time Watch Ref. 25730 with Bright Yellow Dial (New Arrival)

Audemars Piguet Royal Oak Dual Time Watch Ref. 25730 with Bright Yellow Dial (New Arrival)

$105,000 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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