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Patek Philippe Platinum Perpetual Calendar Chronograph Ref. 5970

Patek Philippe Platinum Perpetual Calendar Chronograph Ref. 5970

$265,000 USD
 

Patek Philippe Yellow Gold Nautilus Ref. 3800 with Blue Diamond Dial

Patek Philippe Yellow Gold Nautilus Ref. 3800 with Blue Diamond Dial

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Calatrava Ref. 5022 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Ref. 5022

Patek Philippe Yellow Gold Calatrava Ref. 5022

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Golden Ellipse Ref. 3855 - The Keystone Watches

Patek Philippe Yellow Gold Golden Ellipse Ref. 3855

Patek Philippe Yellow Gold Golden Ellipse Ref. 3855

$12,500 USD
 

Patek Philippe Rose Gold Perpetual Calendar Ref. 5940 (New Arrival)

Patek Philippe Rose Gold Perpetual Calendar Ref. 5940 (New Arrival)

Sold Out

 

Patek Philippe Yellow Gold Calatrava Ref. 570 (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 570 (New Arrival)

Sold Out

 

Patek Philippe Yellow Gold Nautilus Ref. 3800 (New Arrival)

Patek Philippe Yellow Gold Nautilus Ref. 3800 (New Arrival)

Sold Out

 

Patek Philippe Yellow Gold Ellipse Ref. 3987 (New Arrival)

Patek Philippe Yellow Gold Ellipse Ref. 3987 (New Arrival)

Sold Out

 

Patek Philippe White Gold Gondolo Ref. 3571 with Textured Blue Dial and JPE Bracelet

Patek Philippe White Gold Gondolo Ref. 3571 with Textured Blue Dial and JPE Bracelet

$9,500 USD
 
Patek Philippe - Patek Philippe Yellow Gold Watch Ref. 2488 Retailed by Gubelin - The Keystone Watches

Patek Philippe Yellow Gold Watch Ref. 2488 Retailed by Gubelin

Patek Philippe Yellow Gold Watch Ref. 2488 Retailed by Gubelin

$8,800 USD
 

Patek Philippe Steel Calatrava Ref. 3579 in Outstanding Original Condition

Patek Philippe Steel Calatrava Ref. 3579 in Outstanding Original Condition

Sold Out

 

Patek Philippe Yellow Gold Nautilus Ref. 3800/5 with Factory Diamonds

Patek Philippe Yellow Gold Nautilus Ref. 3800/5 with Factory Diamonds

Sold Out

 

Patek Philippe Platinum Perpetual Calendar Ref. 3940

Patek Philippe Platinum Perpetual Calendar Ref. 3940

Sold Out

 

Patek Philippe Rose Gold Calatrava Ref. 3919

Patek Philippe Rose Gold Calatrava Ref. 3919

Sold Out

 

Patek Philippe Yellow Gold Vintage Jumbo Ellipse Ref. 3798/3 on JPE Chain Band

Patek Philippe Yellow Gold Vintage Jumbo Ellipse Ref. 3798/3 on JPE Chain Band

$17,000 USD
 

Patek Philippe Platinum Gondolo Ref. 5098

Patek Philippe Platinum Gondolo Ref. 5098

Sold Out

 
Patek Philippe - Patek Philippe White Gold Travel Time Ref. 4864/2G - The Keystone Watches

Patek Philippe White Gold Travel Time Ref. 4864/2G

Patek Philippe White Gold Travel Time Ref. 4864/2G

Sold Out

 

Patek Philippe White Gold Gondolo Ref. 3761

Patek Philippe White Gold Gondolo Ref. 3761

Sold Out

 

Patek Philippe White Gold Gondolo Ref. 3567 with Original Papers

Patek Philippe White Gold Gondolo Ref. 3567 with Original Papers

Sold Out

 

Patek Philippe Yellow Gold Ladies Ellipse with JPE Bracelet Ref. 4226

Patek Philippe Yellow Gold Ladies Ellipse with JPE Bracelet Ref. 4226

Sold Out

 

Patek Philippe White Gold Jumbo Ellipse Ref. 3738

Patek Philippe White Gold Jumbo Ellipse Ref. 3738

Sold Out

 

Patek Philippe Onyx, Malachite & Diamond Watch Ref. 4282

Patek Philippe Onyx, Malachite & Diamond Watch Ref. 4282

$60,000 USD
 
Patek Philippe - Patek Philippe Yellow Gold and White Enamel Cufflinks (Objet) - The Keystone Watches

Patek Philippe Yellow Gold and White Enamel Cufflinks (Objet)

Patek Philippe Yellow Gold and White Enamel Cufflinks (Objet)

$3,800 USD
 

Patek Philippe Yellow Gold Lapis Lazuli Ref. 4290

Patek Philippe Yellow Gold Lapis Lazuli Ref. 4290

$38,000 USD
 
Patek Philippe - Patek Philippe White Gold Ellipse Cufflinks Ref. 9003 (Objet) - The Keystone Watches

Patek Philippe White Gold Ellipse Cufflinks Ref. 9003 (Objet)

Patek Philippe White Gold Ellipse Cufflinks Ref. 9003 (Objet)

$3,800 USD
 

Patek Philippe White Gold Annual Calendar Watch Ref. 5396

Patek Philippe White Gold Annual Calendar Watch Ref. 5396

Sold Out

 

Patek Philippe White Gold Futuriste Pocket Watch by Gilbert Albert Ref. 798

Patek Philippe White Gold Futuriste Pocket Watch by Gilbert Albert Ref. 798

Sold Out

 

Patek Philippe White Gold Calatrava Watch with Unusual Grey Dial Watch Ref. 3514

Patek Philippe White Gold Calatrava Watch with Unusual Grey Dial Watch Ref. 3514

Sold Out

 

Patek Philippe Tropical Dial Nautilus Ref. 3700 with Original Papers

Patek Philippe Tropical Dial Nautilus Ref. 3700 with Original Papers

Sold Out

 

Patek Philippe White Gold Ellipse Ref. 3848 with JPE Chain Link Bracelet

Patek Philippe White Gold Ellipse Ref. 3848 with JPE Chain Link Bracelet

Sold Out

 

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960P-016

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960P-016

Sold Out

 

Patek Philippe White Gold Chronograph Watch Ref. 5070 (New Arrival)

Patek Philippe White Gold Chronograph Watch Ref. 5070 (New Arrival)

Sold Out

 

Patek Philippe White Gold Calatrava Ref. 3919 on Bracelet

Patek Philippe White Gold Calatrava Ref. 3919 on Bracelet

Sold Out

 

Patek Philippe White Gold Calatrava Watch Ref. 570

Patek Philippe White Gold Calatrava Watch Ref. 570

Sold Out

 

Patek Philippe Platinum Square Watch Ref. 2488

Patek Philippe Platinum Square Watch Ref. 2488

$25,000 USD
 

Patek Philippe Yellow Gold Nautilus Ref. 3700 with Diamond Bezel

Patek Philippe Yellow Gold Nautilus Ref. 3700 with Diamond Bezel

$285,000 USD
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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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