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Audemars Piguet - Audemars Piguet Steel Royal Oak Watch Ref. 14790 - The Keystone Watches

Audemars Piguet Steel Royal Oak Watch Ref. 14790

Audemars Piguet Steel Royal Oak Watch Ref. 14790

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Audemars Piguet - Audemars Piguet White Gold Royal Oak Chronograph Frosted Watch Ref. 26331 - The Keystone Watches

Audemars Piguet White Gold Royal Oak Chronograph Frosted Watch Ref. 26331

Audemars Piguet White Gold Royal Oak Chronograph Frosted Watch Ref. 26331

Sold Out

 
Richard Mille - Richard Mille Titanium Tourbillon Watch Ref. RM003 - The Keystone Watches

Richard Mille Titanium Tourbillon Watch Ref. RM003

Richard Mille Titanium Tourbillon Watch Ref. RM003

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Rolex - Rolex GMT-Master Pepsi Watch Ref. 16700 - The Keystone Watches

Rolex GMT-Master Pepsi Watch Ref. 16700

Rolex GMT-Master Pepsi Watch Ref. 16700

Sold Out

 
Audemars Piguet - Audemars Piguet Steel Royal Oak Dual Time Watch Ref. 25730 - The Keystone Watches

Audemars Piguet Steel Royal Oak Dual Time Watch Ref. 25730

Audemars Piguet Steel Royal Oak Dual Time Watch Ref. 25730

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Cartier - Cartier Yellow Gold Jumbo TV Shaped Watch - The Keystone Watches

Cartier Yellow Gold Jumbo TV Shaped Watch

Cartier Yellow Gold Jumbo TV Shaped Watch

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Patek Philippe - Patek Philippe Stainless Steel Nautilus ref 3800 - The Keystone Watches

Patek Philippe Stainless Steel Nautilus ref 3800

Patek Philippe Stainless Steel Nautilus ref 3800

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Vacheron Constantin - Vacheron Constantin White Gold Strap Watch - The Keystone Watches

Vacheron Constantin White Gold Strap Watch

Vacheron Constantin White Gold Strap Watch

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Cartier - Cartier White Gold Asymmetrical Diamond Watch with Original Box and Paper - The Keystone Watches

Cartier White Gold Asymmetrical Diamond Watch with Original Box and Paper

Cartier White Gold Asymmetrical Diamond Watch with Original Box and Paper

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chrono Sapphire Watch Ref. 5271 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chrono Sapphire Watch Ref. 5271

Patek Philippe Platinum Perpetual Calendar Chrono Sapphire Watch Ref. 5271

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Vacheron Constantin - Vacheron Constantin Overseas Jumbo Automatic 222 Watch Ref. 44018 with Original Box and Papers - The Keystone Watches

Vacheron Constantin Overseas Jumbo Automatic 222 Watch Ref. 44018 with Original Box and Papers

Vacheron Constantin Overseas Jumbo Automatic 222 Watch Ref. 44018 with Original Box and Papers

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Omega - Omega Speedmaster Alaska Project Edition Watch - The Keystone Watches

Omega Speedmaster Alaska Project Edition Watch

Omega Speedmaster Alaska Project Edition Watch

Sold Out

 
FP Journe - F.P. Journe Platinum Octa Auto Reserve Watch with Original Box and Papers - The Keystone Watches

F.P. Journe Platinum Octa Auto Reserve Watch with Original Box and Papers

F.P. Journe Platinum Octa Auto Reserve Watch with Original Box and Papers

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IWC - IWC Platinum Diamond Pocket Watch with Original Box and Papers - The Keystone Watches

IWC Platinum Diamond Pocket Watch with Original Box and Papers

IWC Platinum Diamond Pocket Watch with Original Box and Papers

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Gevril - Gevril Steel Tribeca Paul Newman Chronograph Watch - The Keystone Watches

Gevril Steel Tribeca Paul Newman Chronograph Watch

Gevril Steel Tribeca Paul Newman Chronograph Watch

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Audemars Piguet - Audemars Piguet Steel Automatic Strap Watch, Ref. 5273 - The Keystone Watches

Audemars Piguet Steel Automatic Strap Watch, Ref. 5273

Audemars Piguet Steel Automatic Strap Watch, Ref. 5273

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Patek Philippe - Patek Philippe White Gold World Time Watch Ref. 5230 - The Keystone Watches

Patek Philippe White Gold World Time Watch Ref. 5230

Patek Philippe White Gold World Time Watch Ref. 5230

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5270 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5270

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5270

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Patek Philippe - Patek Philippe White Gold Tonneau Watch from 1927 - The Keystone Watches

Patek Philippe White Gold Tonneau Watch from 1927

Patek Philippe White Gold Tonneau Watch from 1927

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Jaeger LeCoultre - Jaeger Lecoultre White Gold Reverso Day-Night Watch - The Keystone Watches

Jaeger Lecoultre White Gold Reverso Day-Night Watch

Jaeger Lecoultre White Gold Reverso Day-Night Watch

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Breguet - Breguet Yellow Gold Messidor Tourbillon Watch Ref. 3350 - The Keystone Watches

Breguet Yellow Gold Messidor Tourbillon Watch Ref. 3350

Breguet Yellow Gold Messidor Tourbillon Watch Ref. 3350

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A. Lange & Sohne - A. Lange & Sohne White Gold 1815 Chronograph Watch 402.026 - The Keystone Watches

A. Lange & Sohne White Gold 1815 Chronograph Watch 402.026

A. Lange & Sohne White Gold 1815 Chronograph Watch 402.026

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A. Lange & Sohne - A.Lange & Sohne Rose Gold Saxonia Annual Calendar Watch Ref. 330.032 - The Keystone Watches

A.Lange & Sohne Rose Gold Saxonia Annual Calendar Watch Ref. 330.032

A.Lange & Sohne Rose Gold Saxonia Annual Calendar Watch Ref. 330.032

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Patek Philippe - Patek Philippe Rose Gold Cloisonne World Time Ref. 5131 - The Keystone Watches

Patek Philippe Rose Gold Cloisonne World Time Ref. 5131

Patek Philippe Rose Gold Cloisonne World Time Ref. 5131

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

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970

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Patek Philippe - Patek Philippe Platinum 10-Day Tourbillon Watch Ref. 5101 - The Keystone Watches

Patek Philippe Platinum 10-Day Tourbillon Watch Ref. 5101

Patek Philippe Platinum 10-Day Tourbillon Watch Ref. 5101

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Rolex - Rolex Precision Strap Watch, Circa 1976 - The Keystone Watches

Rolex Precision Strap Watch, Circa 1976

Rolex Precision Strap Watch, Circa 1976

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Audemars Piguet - Audemars Piguet Yellow Gold Ultra-Thin Strap Watch - The Keystone Watches

Audemars Piguet Yellow Gold Ultra-Thin Strap Watch

Audemars Piguet Yellow Gold Ultra-Thin Strap Watch

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Audemars Piguet - Audemars Piguet White Gold Diamond Watch - The Keystone Watches

Audemars Piguet White Gold Diamond Watch

Audemars Piguet White Gold Diamond Watch

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Audemars Piguet - Audemars Piguet White Gold Automatic Strap Watch - The Keystone Watches

Audemars Piguet White Gold Automatic Strap Watch

Audemars Piguet White Gold Automatic Strap Watch

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Patek Philippe - Patek Philippe White Gold Ellipse Watch Ref. 3648, Retailed by Somazzi - The Keystone Watches

Patek Philippe White Gold Ellipse Watch Ref. 3648, Retailed by Somazzi

Patek Philippe White Gold Ellipse Watch Ref. 3648, Retailed by Somazzi

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Patek Philippe - Patek Philippe White Gold Unsual Strap Watch Ref. 4183 - The Keystone Watches

Patek Philippe White Gold Unsual Strap Watch Ref. 4183

Patek Philippe White Gold Unsual Strap Watch Ref. 4183

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Audemars Piguet - Audemars Piguet Steel Tonneau-Shaped Watch Ref. 5369 - The Keystone Watches

Audemars Piguet Steel Tonneau-Shaped Watch Ref. 5369

Audemars Piguet Steel Tonneau-Shaped Watch Ref. 5369

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Cartier - Cartier Platinum Jumbo Tank Americaine Mechanique Watch - The Keystone Watches

Cartier Platinum Jumbo Tank Americaine Mechanique Watch

Cartier Platinum Jumbo Tank Americaine Mechanique Watch

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Audemars Piguet - Audemars Piguet White Gold Automatic Strap Watch - The Keystone Watches

Audemars Piguet White Gold Automatic Strap Watch

Audemars Piguet White Gold Automatic Strap Watch

Sold Out

 
Audemars Piguet - Audemars Piguet Yellow Gold Ultra-Thin Strap Watch, Retailed by Turler - The Keystone Watches

Audemars Piguet Yellow Gold Ultra-Thin Strap Watch, Retailed by Turler

Audemars Piguet Yellow Gold Ultra-Thin Strap Watch, Retailed by Turler

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"
 
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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