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Patek Philippe - Patek Philippe Platinum Perpetual Baguette Diamond Watch Ref. 5271 - The Keystone Watches

Patek Philippe Platinum Perpetual Baguette Diamond Watch Ref. 5271

Patek Philippe Platinum Perpetual Baguette Diamond Watch Ref. 5271

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Ref. 5160 - The Keystone Watches

Patek Philippe White Gold Perpetual Ref. 5160

Patek Philippe White Gold Perpetual Ref. 5160

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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

 
Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3700 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3700

Patek Philippe Yellow Gold Nautilus Watch Ref. 3700

Sold Out

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

Patek Philippe Stainless Steel Pilot Watch Ref. 5522

Patek Philippe Stainless Steel Pilot Watch Ref. 5522

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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

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Patek Philippe - Patek Philippe White Gold Nautilus Watch Ref. 3900 - The Keystone Watches

Patek Philippe White Gold Nautilus Watch Ref. 3900

Patek Philippe White Gold Nautilus Watch Ref. 3900

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

Patek Philippe Yellow Gold Nautilus Diamond & Ruby Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Diamond & Ruby Watch Ref. 3800

Sold Out

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

Patek Philippe Aquanaut Travel Time Watch Ref. 5164

Patek Philippe Aquanaut Travel Time Watch Ref. 5164

Sold Out

 
Patek Philippe - Patek Philippe White Gold Nautilus Watch Ref. 5719 - The Keystone Watches

Patek Philippe White Gold Nautilus Watch Ref. 5719

Patek Philippe White Gold Nautilus Watch Ref. 5719

Sold Out

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

Patek Philippe White Gold Annual Calendar Watch Ref. 5146G

Patek Philippe White Gold Annual Calendar Watch Ref. 5146G

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Jumbo Watch Ref. 5065 - The Keystone Watches

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

Sold Out

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

Patek Philippe Nautilus Chronograph Blue Watch Ref. 5980

Patek Philippe Nautilus Chronograph Blue Watch Ref. 5980

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

Patek Philippe Platinum Perpetual Calendar Chrono Watch Ref. 3970

Patek Philippe Platinum Perpetual Calendar Chrono Watch Ref. 3970

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Patek Philippe - Patek Philippe Steel Watch Ref. 3483 with Original Box and Papers - The Keystone Watches

Patek Philippe Steel Watch Ref. 3483 with Original Box and Papers

Patek Philippe Steel Watch Ref. 3483 with Original Box and Papers

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Patek Philippe - Patek Philippe Steel Automatic Watch Ref. 3580 - The Keystone Watches

Patek Philippe Steel Automatic Watch Ref. 3580

Patek Philippe Steel Automatic Watch Ref. 3580

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Patek Philippe - Patek Philippe Automatic Watch Ref. 3580 - The Keystone Watches

Patek Philippe Automatic Watch Ref. 3580

Patek Philippe Automatic Watch Ref. 3580

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Patek Philippe - Patek Philippe White Gold Automatic Watch Ref 3604 - The Keystone Watches

Patek Philippe White Gold Automatic Watch Ref 3604

Patek Philippe White Gold Automatic Watch Ref 3604

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Patek Philippe - Patek Philippe Rose Gold World Time Watch Ref. 5130 - The Keystone Watches

Patek Philippe Rose Gold World Time Watch Ref. 5130

Patek Philippe Rose Gold World Time Watch Ref. 5130

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Patek Philippe - Patek Philippe Aquanaut Jumbo Watch Ref. 5065 - The Keystone Watches

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Nautilus Chrono Watch Ref. 5980 - The Keystone Watches

Patek Philippe Rose Gold Nautilus Chrono Watch Ref. 5980

Patek Philippe Rose Gold Nautilus Chrono Watch Ref. 5980

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Advanced Research Watch Ref. 5550 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Advanced Research Watch Ref. 5550

Patek Philippe Platinum Perpetual Calendar Advanced Research Watch Ref. 5550

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

Patek Philippe Rose Gold Nautilus Moonphase Watch Ref. 5712

Patek Philippe Rose Gold Nautilus Moonphase Watch Ref. 5712

Sold Out

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

Patek Philippe White Gold Calatrava Watch Ref. 3796

Patek Philippe White Gold Calatrava Watch Ref. 3796

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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

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Patek Philippe - Patek Philippe White Gold Calatrava Automatic Watch Ref. 6000 - The Keystone Watches

Patek Philippe White Gold Calatrava Automatic Watch Ref. 6000

Patek Philippe White Gold Calatrava Automatic Watch Ref. 6000

Sold Out

 
Patek Philippe - Patek Philippe Platinum Anniversary Nautilus Baguette Diamond Watch Ref. 5711 - The Keystone Watches

Patek Philippe Platinum Anniversary Nautilus Baguette Diamond Watch Ref. 5711

Patek Philippe Platinum Anniversary Nautilus Baguette Diamond Watch Ref. 5711

Sold Out

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

Patek Philippe Yellow Gold First Series Perpetual Calendar Watch Ref. 3940

Patek Philippe Yellow Gold First Series Perpetual Calendar Watch Ref. 3940

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chrono Watch Ref. 5970 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chrono Watch Ref. 5970

Patek Philippe Platinum Perpetual Calendar Chrono Watch Ref. 5970

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5066 - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5066

Patek Philippe Aquanaut Automatic Watch Ref. 5066

Sold Out

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

Patek Philippe Nautilus Moonphase Watch Ref. 5712

Patek Philippe Nautilus Moonphase Watch Ref. 5712

Sold Out

 
Patek Philippe - Patek Philippe Platinum Annual Calender Chronograph Watch Ref. 5905 - The Keystone Watches

Patek Philippe Platinum Annual Calender Chronograph Watch Ref. 5905

Patek Philippe Platinum Annual Calender Chronograph Watch Ref. 5905

Sold Out

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

Patek Philippe Nautilus Moonphase Watch Ref. 5712

Patek Philippe Nautilus Moonphase Watch Ref. 5712

Sold Out

 
Patek Philippe - Patek Philippe Stainless Steel Automatic Bracelet Watch Ref. 3580 - The Keystone Watches

Patek Philippe Stainless Steel Automatic Bracelet Watch Ref. 3580

Patek Philippe Stainless Steel Automatic Bracelet Watch Ref. 3580

Sold Out

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

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 3970

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 3970

Sold Out

 
Patek Philippe - Patek Philippe White Gold Celestial Ref. 5102 - The Keystone Watches

Patek Philippe White Gold Celestial Ref. 5102

Patek Philippe White Gold Celestial Ref. 5102

Sold Out

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New Arrivals Preview
 
Piaget - Piaget White Gold Mechanical Bracelet Watch Ref. P10178 (New Arrival) - The Keystone Watches

Piaget White Gold Mechanical Bracelet Watch Ref. P10178 (New Arrival)

Piaget White Gold Mechanical Bracelet Watch Ref. P10178 (New Arrival)

$10,750 USD
 
Piaget - Piaget White Gold Watch Ref. 80131 (New Arrival) - The Keystone Watches

Piaget White Gold Watch Ref. 80131 (New Arrival)

Piaget White Gold Watch Ref. 80131 (New Arrival)

$9,500 USD
 
Omega - Omega Yellow Gold Automatic Watch Retailed by Turler (New Arrival) - The Keystone Watches

Omega Yellow Gold Automatic Watch Retailed by Turler (New Arrival)

Omega Yellow Gold Automatic Watch Retailed by Turler (New Arrival)

$4,950 USD
 
Breguet - Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL) - The Keystone Watches

Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL)

Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL)

$7,200 USD
 
Audemars Piguet - Audemars Piguet White Gold Round Watch with Beaded Bracelet and Pave Diamond and Sapphire Dial (New Arrival) - The Keystone Watches

Audemars Piguet White Gold Round Watch with Beaded Bracelet and Pave Diamond and Sapphire Dial (New Arrival)

Audemars Piguet White Gold Round Watch with Beaded Bracelet and Pave Diamond and Sapphire Dial (New Arrival)

$9,800 USD
 
Louis Vuitton - Louis Vuitton Green Ceramic Monterey II (New Arrival) - The Keystone Watches

Louis Vuitton Green Ceramic Monterey II (New Arrival)

Louis Vuitton Green Ceramic Monterey II (New Arrival)

$8,800 USD
 
Omega - Omega Yellow Gold Vintage Pocket Watch 1182.61 (New Arrival) - The Keystone Watches

Omega Yellow Gold Vintage Pocket Watch 1182.61 (New Arrival)

Omega Yellow Gold Vintage Pocket Watch 1182.61 (New Arrival)

$6,500 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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