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Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

$15,000 USD
 
Patek Philippe White Gold Golden Ellipse Watch Ref. 3644 on Chain JPE Band (New Arrival)

Patek Philippe White Gold Golden Ellipse Watch Ref. 3644 on Chain JPE Band (New Arrival)

Patek Philippe White Gold Golden Ellipse Watch Ref. 3644 on Chain JPE Band (New Arrival)

Sold Out

 
Patek Philippe Rose Gold Split Seconds Perpetual Calendar Chronograph Ref. 5204R

Patek Philippe Rose Gold Split Seconds Perpetual Calendar Chronograph Ref. 5204R

Patek Philippe Rose Gold Split Seconds Perpetual Calendar Chronograph Ref. 5204R

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Patek Philippe Rose Gold Calatrava Watch Ref. 3796

Patek Philippe Rose Gold Calatrava Watch Ref. 3796

Patek Philippe Rose Gold Calatrava Watch Ref. 3796

Sold Out

 
Patek Philippe Platinum Handcraft Calatrava Ref. 5077P with Peacock or Pheasant Dial

Patek Philippe Platinum Handcraft Calatrava Ref. 5077P with Peacock or Pheasant Dial

Patek Philippe Platinum Handcraft Calatrava Ref. 5077P with Peacock or Pheasant Dial

$125,000 USD
 
Patek Philippe - Patek Philippe Steel Automatic Backwind UFO Watch Ref. 3580 - The Keystone Watches

Patek Philippe Steel Automatic Backwind UFO Watch Ref. 3580

Patek Philippe Steel Automatic Backwind UFO Watch Ref. 3580

Sold Out

 
Patek Phillipe Yellow Gold Gondolo Watch Ref. 3842

Patek Phillipe Yellow Gold Gondolo Watch Ref. 3842

Patek Phillipe Yellow Gold Gondolo Watch Ref. 3842

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5270G - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5270G

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5270G

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Patek Philippe White Gold Calatrava Ref. 5006 with Factory Dialmonds

Patek Philippe White Gold Calatrava Ref. 5006 with Factory Dialmonds

Patek Philippe White Gold Calatrava Ref. 5006 with Factory Dialmonds

Sold Out

 
Patek Philippe - Patek Philippe Platinum Calatrava Watch Ref. 5196 - The Keystone Watches

Patek Philippe Platinum Calatrava Watch Ref. 5196

Patek Philippe Platinum Calatrava Watch Ref. 5196

Sold Out

 
Patek Philippe White Gold Calatrava Officers Watch Ref. 4860

Patek Philippe White Gold Calatrava Officers Watch Ref. 4860

Patek Philippe White Gold Calatrava Officers Watch Ref. 4860

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Patek Philippe Platinum Gondolo Watch Ref. 5098

Patek Philippe Platinum Gondolo Watch Ref. 5098

Patek Philippe Platinum Gondolo Watch Ref. 5098

Sold Out

 
Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

Sold Out

 
Patek Philippe White Gold Ellipse Watch Ref. 3589

Patek Philippe White Gold Ellipse Watch Ref. 3589

Patek Philippe White Gold Ellipse Watch Ref. 3589

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Aquanaut Watch Ref. 5066 (New Arrival) - The Keystone Watches

Patek Philippe Yellow Gold Aquanaut Watch Ref. 5066 (New Arrival)

Patek Philippe Yellow Gold Aquanaut Watch Ref. 5066 (New Arrival)

Sold Out

 
Patek Philippe Steel Aquanaut Ref. 5066

Patek Philippe Steel Aquanaut Ref. 5066

Patek Philippe Steel Aquanaut Ref. 5066

$39,000 USD
 
Patek Philippe Yellow Gold Jumbo Automatic Golden Circle Ref. 3585 in New Old Stock Condition

Patek Philippe Yellow Gold Jumbo Automatic Golden Circle Ref. 3585 in New Old Stock Condition

Patek Philippe Yellow Gold Jumbo Automatic Golden Circle Ref. 3585 in New Old Stock Condition

$22,000 USD
 
Patek Philippe Rose Gold Calatrava Watch Ref. 2449

Patek Philippe Rose Gold Calatrava Watch Ref. 2449

Patek Philippe Rose Gold Calatrava Watch Ref. 2449

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5040 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5040

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5040

Sold Out

 
Patek Philiipe Yellow Gold Vintage Ladies Jewelry Watch

Patek Philiipe Yellow Gold Vintage Ladies Jewelry Watch

Patek Philiipe Yellow Gold Vintage Ladies Jewelry Watch

$8,500 USD
 
Patek Philippe Yellow Gold Diamond & Turquoise Cover Watch Ref. 3006 with Archives

Patek Philippe Yellow Gold Diamond & Turquoise Cover Watch Ref. 3006 with Archives

Patek Philippe Yellow Gold Diamond & Turquoise Cover Watch Ref. 3006 with Archives

$25,000 USD
 
Patek Philippe - Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 4700 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 4700

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 4700

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ellipse Ref. 3584 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 3584

Patek Philippe White Gold Ellipse Ref. 3584

$10,800 USD
 
Patek Philippe Yellow Gold Cover Watch Ref. 4955

Patek Philippe Yellow Gold Cover Watch Ref. 4955

Patek Philippe Yellow Gold Cover Watch Ref. 4955

$36,000 USD
 
Patek Philippe - Patek Philippe Yellow Gold Ellipse Ref. 3848 (New Arrival) - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Ref. 3848 (New Arrival)

Patek Philippe Yellow Gold Ellipse Ref. 3848 (New Arrival)

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Patek Philippe Steel Backwind Ellipse Watch Ref. 3580 with Blue Dial

Patek Philippe Steel Backwind Ellipse Watch Ref. 3580 with Blue Dial

Patek Philippe Steel Backwind Ellipse Watch Ref. 3580 with Blue Dial

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Patek Philippe - Patek Philippe Yellow Gold Tigerseye Watch Ref. 4282 - The Keystone Watches

Patek Philippe Yellow Gold Tigerseye Watch Ref. 4282

Patek Philippe Yellow Gold Tigerseye Watch Ref. 4282

Sold Out

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

Patek Philippe Yellow Gold Nautilus Ref. 3800

Patek Philippe Yellow Gold Nautilus Ref. 3800

Sold Out

 
Patek Philippe White Gold Ellipse Ref. 4226 with Brown Sunburst Dial

Patek Philippe White Gold Ellipse Ref. 4226 with Brown Sunburst Dial

Patek Philippe White Gold Ellipse Ref. 4226 with Brown Sunburst Dial

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Patek Phillipe Yellow Gold Gondolo Ref. 5024

Patek Phillipe Yellow Gold Gondolo Ref. 5024

Patek Phillipe Yellow Gold Gondolo Ref. 5024

Sold Out

 
Patek Philippe - Patek Philippe Tropical Dial Nautilus Ref. 3700 with Original Box and Papers - The Keystone Watches

Patek Philippe Tropical Dial Nautilus Ref. 3700 with Original Box and Papers

Patek Philippe Tropical Dial Nautilus Ref. 3700 with Original Box and Papers

$140,000 USD
 
Patek Philippe - Patek Philippe Yellow Gold Calatrava Ref. 3893 in Fantastic Original Condition - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Ref. 3893 in Fantastic Original Condition

Patek Philippe Yellow Gold Calatrava Ref. 3893 in Fantastic Original Condition

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Patek Philippe Yellow Gold Calatrava Ref. 3919

Patek Philippe Yellow Gold Calatrava Ref. 3919

Patek Philippe Yellow Gold Calatrava Ref. 3919

Sold Out

 
Patek Philippe - Patek Calatrava Yellow Gold Calatrava Ref. 3919 with Gubelin Dial - The Keystone Watches

Patek Calatrava Yellow Gold Calatrava Ref. 3919 with Gubelin Dial

Patek Calatrava Yellow Gold Calatrava Ref. 3919 with Gubelin Dial

Sold Out

 
Patek Philippe Yellow Gold Chronograph Watch Ref. 1579

Patek Philippe Yellow Gold Chronograph Watch Ref. 1579

Patek Philippe Yellow Gold Chronograph Watch Ref. 1579

$110,000 USD
 
Patek Philippe White Gold Square Watch Ref. 3430

Patek Philippe White Gold Square Watch Ref. 3430

Patek Philippe White Gold Square Watch Ref. 3430

Sold Out

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New Arrivals Preview
 
Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

"Price upon request"
 
Audemars Piguet Yellow Gold Coin Watch (New Arrival)

Audemars Piguet Yellow Gold Coin Watch (New Arrival)

Audemars Piguet Yellow Gold Coin Watch (New Arrival)

$9,500 USD
 
Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

$9,800 USD
 
Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

$18,750 USD
 
Boucheron - Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival) - The Keystone Watches

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

$9,500 USD
 
Rolex - Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival) - The Keystone Watches

Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival)

Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival)

$7,500 USD
 
Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

$15,500 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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