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Patek Philippe - Patek Philippe White & Rose Gold Nautilus Moonphase Watch Ref. 5712GR - The Keystone Watches

Patek Philippe White & Rose Gold Nautilus Moonphase Watch Ref. 5712GR

Patek Philippe White & Rose Gold Nautilus Moonphase Watch Ref. 5712GR

Sold Out

 
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 - Patek Philippe White Gold World Time NY Edition Watch Ref. 5230 - The Keystone Watches

Patek Philippe White Gold World Time NY Edition Watch Ref. 5230

Patek Philippe White Gold World Time NY Edition Watch Ref. 5230

Sold Out

 
Patek Philippe - Patek Philippe Stainless Steel Aquanaut Jumbo Watch Ref. 5167 - The Keystone Watches

Patek Philippe Stainless Steel Aquanaut Jumbo Watch Ref. 5167

Patek Philippe Stainless Steel Aquanaut Jumbo Watch Ref. 5167

Sold Out

 
Patek Philippe - Patek Philippe Rare Handcrafts Grand Canyon Watch Ref. 5089 - The Keystone Watches

Patek Philippe Rare Handcrafts Grand Canyon Watch Ref. 5089

Patek Philippe Rare Handcrafts Grand Canyon Watch Ref. 5089

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Moonphase Watch Ref. 5205 - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Moonphase Watch Ref. 5205

Patek Philippe Rose Gold Annual Calendar Moonphase Watch Ref. 5205

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Calatrava Tiffany & Co Watch Ref. 3468 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Tiffany & Co Watch Ref. 3468

Patek Philippe Yellow Gold Calatrava Tiffany & Co Watch Ref. 3468

Sold Out

 
Patek Philippe - Patek Philippe Stainless Steel Waterproof Watch Ref. 3579 - The Keystone Watches

Patek Philippe Stainless Steel Waterproof Watch Ref. 3579

Patek Philippe Stainless Steel Waterproof Watch Ref. 3579

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Calatrava Watch Ref. 3796 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Watch Ref. 3796

Patek Philippe Rose Gold Calatrava Watch Ref. 3796

Sold Out

 
Patek Philippe - Patek Philippe Steel Aquanaut Watch Ref. 5167 - The Keystone Watches

Patek Philippe Steel Aquanaut Watch Ref. 5167

Patek Philippe Steel Aquanaut Watch Ref. 5167

Sold Out

 
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

 
Patek Philippe - Patek Philippe Aquanaut Travel Time Watch Ref. 5164a - The Keystone Watches

Patek Philippe Aquanaut Travel Time Watch Ref. 5164a

Patek Philippe Aquanaut Travel Time Watch Ref. 5164a

Sold Out

 
Patek Philippe - Patek Philippe White Gold Calatrava Strap Watch Ref. 3919 - The Keystone Watches

Patek Philippe White Gold Calatrava Strap Watch Ref. 3919

Patek Philippe White Gold Calatrava Strap Watch Ref. 3919

Sold Out

 
Patek Philippe - Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235G - The Keystone Watches

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235G

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235G

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Calatrava Watch Ref. 5196 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Watch Ref. 5196

Patek Philippe Rose Gold Calatrava Watch Ref. 5196

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Moonphase Watch Ref. 5712/1A - The Keystone Watches

Patek Philippe Steel Nautilus Moonphase Watch Ref. 5712/1A

Patek Philippe Steel Nautilus Moonphase Watch Ref. 5712/1A

Sold Out

 
Patek Philippe - Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990 - The Keystone Watches

Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990

Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5270 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5270

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5270

Sold Out

 
Patek Philippe - Patek Philippe White Gold Annual Calendar Watch Ref. 5205 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Watch Ref. 5205

Patek Philippe White Gold Annual Calendar Watch Ref. 5205

Sold Out

 
Patek Philippe - Patek Philippe Two-Tone Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Two-Tone Nautilus Watch Ref. 3800

Patek Philippe Two-Tone Nautilus Watch Ref. 3800

Sold Out

 
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 - Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146 - The Keystone Watches

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146

Sold Out

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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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