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Patek Philippe - Patek Philippe Nautilus Chronograph Black Watch Ref. 5980 - The Keystone Watches

Patek Philippe Nautilus Chronograph Black Watch Ref. 5980

Patek Philippe Nautilus Chronograph Black Watch Ref. 5980

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Nautilus Watch Ref. 5711/1R - The Keystone Watches

Patek Philippe Rose Gold Nautilus Watch Ref. 5711/1R

Patek Philippe Rose Gold Nautilus Watch Ref. 5711/1R

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Patek Philippe - Patek Philippe White Gold Annual Calendar Watch Ref. 5036 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Watch Ref. 5036

Patek Philippe White Gold Annual Calendar Watch Ref. 5036

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Patek Philippe - Patek Philippe Rose Gold Aquanaut Travel Time Watch Ref. 5164R - The Keystone Watches

Patek Philippe Rose Gold Aquanaut Travel Time Watch Ref. 5164R

Patek Philippe Rose Gold Aquanaut Travel Time Watch Ref. 5164R

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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

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Patek Philippe - Patek Philippe Yellow Gold Chronograph Watch Ref. 130 - The Keystone Watches

Patek Philippe Yellow Gold Chronograph Watch Ref. 130

Patek Philippe Yellow Gold Chronograph Watch Ref. 130

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Patek Philippe - Patek Philippe Steel Embroidered Dial Watch Ref. 3474 - The Keystone Watches

Patek Philippe Steel Embroidered Dial Watch Ref. 3474

Patek Philippe Steel Embroidered Dial Watch Ref. 3474

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Patek Philippe - Patek Philippe Steel Nautilus Watch Ref. 3800/1A with Original Paper - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 3800/1A with Original Paper

Patek Philippe Steel Nautilus Watch Ref. 3800/1A with Original Paper

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

Patek Philippe White Gold Calatrava Watch Ref. 3445G

Patek Philippe White Gold Calatrava Watch Ref. 3445G

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 Watch Ref. 5196 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 5196

Patek Philippe White Gold Calatrava Watch Ref. 5196

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 5227G - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 5227G

Patek Philippe White Gold Calatrava Watch Ref. 5227G

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Split Seconds Watch Ref. 5004J - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Split Seconds Watch Ref. 5004J

Patek Philippe Yellow Gold Perpetual Calendar Split Seconds Watch Ref. 5004J

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Patek Philippe - Patek Philippe Two-Tone Rose Gold Nautilus Chronograph Watch Ref. 5980 - The Keystone Watches

Patek Philippe Two-Tone Rose Gold Nautilus Chronograph Watch Ref. 5980

Patek Philippe Two-Tone Rose Gold Nautilus Chronograph Watch Ref. 5980

Sold Out

 
Patek Philippe - Patek Philippe Stainless Steel Pilot Watch Ref. 5522A - The Keystone Watches

Patek Philippe Stainless Steel Pilot Watch Ref. 5522A

Patek Philippe Stainless Steel Pilot Watch Ref. 5522A

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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

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Patek Philippe - Patek Philippe Steel Pilot Watch Ref. 5522 - The Keystone Watches

Patek Philippe Steel Pilot Watch Ref. 5522

Patek Philippe Steel Pilot Watch Ref. 5522

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chrono Watch Ref. 3970 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chrono Watch Ref. 3970

Patek Philippe Yellow Gold Perpetual Calendar Chrono Watch Ref. 3970

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

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

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

Patek Philippe White Gold Nautilus Moonphase Watch Ref. 5712

Patek Philippe White Gold Nautilus Moonphase Watch Ref. 5712

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Watch Ref. 5396R - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5396R

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5396R

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Patek Philippe - Patek Philippe White Gold Automatic Watch Ref. 3563 with Box & Papers - The Keystone Watches

Patek Philippe White Gold Automatic Watch Ref. 3563 with Box & Papers

Patek Philippe White Gold Automatic Watch Ref. 3563 with Box & Papers

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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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