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Patek Philippe - Patek Philippe Yellow Gold Nautilus Ref. 3800/105 with Pave Diamond and Emerald - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Ref. 3800/105 with Pave Diamond and Emerald

Patek Philippe Yellow Gold Nautilus Ref. 3800/105 with Pave Diamond and Emerald

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Nautilus Ref. 3800 with Factory Diamond and Ruby Dial - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Ref. 3800 with Factory Diamond and Ruby Dial

Patek Philippe Yellow Gold Nautilus Ref. 3800 with Factory Diamond and Ruby Dial

Sold Out

 

Patek Philippe Rose Gold Chronograph Ref. 1579

Patek Philippe Rose Gold Chronograph Ref. 1579

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Patek Philippe - Patek Philippe Yellow Gold Rectangular Watch Ref. 10 with Remarkable Engraving Details - The Keystone Watches

Patek Philippe Yellow Gold Rectangular Watch Ref. 10 with Remarkable Engraving Details

Patek Philippe Yellow Gold Rectangular Watch Ref. 10 with Remarkable Engraving Details

$50,000 USD
 

Patek Philippe Yellow Gold Calatrava Ref. 534 with Silver Sector Dial

Patek Philippe Yellow Gold Calatrava Ref. 534 with Silver Sector Dial

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Patek Philippe - Patek Philippe Steel Aquanaut First Series Watch Ref. 5060 - The Keystone Watches

Patek Philippe Steel Aquanaut First Series Watch Ref. 5060

Patek Philippe Steel Aquanaut First Series Watch Ref. 5060

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Patek Philippe - Patek Philippe White Gold Travel Time Ref. 5524G - The Keystone Watches

Patek Philippe White Gold Travel Time Ref. 5524G

Patek Philippe White Gold Travel Time Ref. 5524G

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Ref. 5040 retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Ref. 5040 retailed by Tiffany & Co.

Patek Philippe Rose Gold Perpetual Calendar Ref. 5040 retailed by Tiffany & Co.

Sold Out

 
Patek Philippe - Patek Philippe Platinum Grand Complication Ref. 5016 - The Keystone Watches

Patek Philippe Platinum Grand Complication Ref. 5016

Patek Philippe Platinum Grand Complication Ref. 5016

Sold Out

 

Patek Philippe White Gold Calatrava Ref. 3445

Patek Philippe White Gold Calatrava Ref. 3445

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold World Time Watch Ref. 1415 - The Keystone Watches

Patek Philippe Yellow Gold World Time Watch Ref. 1415

Patek Philippe Yellow Gold World Time Watch Ref. 1415

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Patek Philippe - Patek Philippe White Gold Ellipse Ref. 3748 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 3748

Patek Philippe White Gold Ellipse Ref. 3748

Sold Out

 
Patek Philippe - Patek Philippe Steel Calatrava Ref. 3418 - The Keystone Watches

Patek Philippe Steel Calatrava Ref. 3418

Patek Philippe Steel Calatrava Ref. 3418

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Patek Philippe - Patek Philippe Yellow Gold Calatrava ref 3893 with Cream Tiffany & Co. Dial - The Keystone Watches

Patek Philippe Yellow Gold Calatrava ref 3893 with Cream Tiffany & Co. Dial

Patek Philippe Yellow Gold Calatrava ref 3893 with Cream Tiffany & Co. Dial

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Ref 5140 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Ref 5140

Patek Philippe Platinum Perpetual Calendar Ref 5140

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Patek Philippe Yellow Gold Calatrava Watch Ref. 3445, Retailed by Gubelin

Patek Philippe Yellow Gold Calatrava Watch Ref. 3445, Retailed by Gubelin

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Patek Philippe - Patek Philippe Steel Ref. 3579 - The Keystone Watches

Patek Philippe Steel Ref. 3579

Patek Philippe Steel Ref. 3579

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Patek Philippe - Patek Philippe Yellow Gold Ellipse Ref 3738 - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Ref 3738

Patek Philippe Yellow Gold Ellipse Ref 3738

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Patek Philippe - Patek Philippe Rose Gold Pilot Ref. 5524R - The Keystone Watches

Patek Philippe Rose Gold Pilot Ref. 5524R

Patek Philippe Rose Gold Pilot Ref. 5524R

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Patek Philippe - Patek Philippe Rose Gold Nautilus Ref. 5711 - The Keystone Watches

Patek Philippe Rose Gold Nautilus Ref. 5711

Patek Philippe Rose Gold Nautilus Ref. 5711

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140

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Patek Philippe - Patek Philippe Steel Tonneau Watch Ref. 3574 - The Keystone Watches

Patek Philippe Steel Tonneau Watch Ref. 3574

Patek Philippe Steel Tonneau Watch Ref. 3574

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Patek Philippe - Patek Philippe Platinum World Time Watch Ref. 5131 - The Keystone Watches

Patek Philippe Platinum World Time Watch Ref. 5131

Patek Philippe Platinum World Time Watch Ref. 5131

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Patek Philippe - Patek Phillipe White Gold Ellipse Ref. 3548 - The Keystone Watches

Patek Phillipe White Gold Ellipse Ref. 3548

Patek Phillipe White Gold Ellipse Ref. 3548

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Patek Philippe - Patek Philippe White Gold Grand Ellipse Ref. 3589 - The Keystone Watches

Patek Philippe White Gold Grand Ellipse Ref. 3589

Patek Philippe White Gold Grand Ellipse Ref. 3589

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Patek Philippe - PATEK PHILIPPE STEEL AQUANAUT REF 5065 - The Keystone Watches

PATEK PHILIPPE STEEL AQUANAUT REF 5065

PATEK PHILIPPE STEEL AQUANAUT REF 5065

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Patek Philippe - Patek Phillipe White Gold Grand Ellipse Ref. 3589 - The Keystone Watches

Patek Phillipe White Gold Grand Ellipse Ref. 3589

Patek Phillipe White Gold Grand Ellipse Ref. 3589

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Watch Ref. 3700 with Tropical Brown Dial - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 3700 with Tropical Brown Dial

Patek Philippe Steel Nautilus Watch Ref. 3700 with Tropical Brown Dial

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Patek Philippe - Patek Philippe Steel Calatrava Breguet Numerals Ref. 96 - The Keystone Watches

Patek Philippe Steel Calatrava Breguet Numerals Ref. 96

Patek Philippe Steel Calatrava Breguet Numerals Ref. 96

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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

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 3429 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 3429

Patek Philippe White Gold Calatrava Watch Ref. 3429

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

Patek Philippe White Gold Perpetual Engraved Ref. 5160

Patek Philippe White Gold Perpetual Engraved Ref. 5160

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Patek Philippe - Patek Philippe White Gold Automatic Backwind Golden Circle Watch Ref. 3586 - The Keystone Watches

Patek Philippe White Gold Automatic Backwind Golden Circle Watch Ref. 3586

Patek Philippe White Gold Automatic Backwind Golden Circle Watch Ref. 3586

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5374 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5374

Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5374

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Patek Philippe - Patek Philippe Yellow Gold World Time Watch Ref. 5110 - The Keystone Watches

Patek Philippe Yellow Gold World Time Watch Ref. 5110

Patek Philippe Yellow Gold World Time Watch Ref. 5110

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Tourbillon Watch Ref. 5016 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Tourbillon Watch Ref. 5016

Patek Philippe Platinum Perpetual Calendar Tourbillon Watch Ref. 5016

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)

$150,000 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
 
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
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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