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Patek Philippe - Patek Philippe Nautilus Moonphase Watch Ref. 3712 with Original Box and Papers - The Keystone Watches

Patek Philippe Nautilus Moonphase Watch Ref. 3712 with Original Box and Papers

Patek Philippe Nautilus Moonphase Watch Ref. 3712 with Original Box and Papers

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Watch Ref. 15400 with Original and Papers - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Watch Ref. 15400 with Original and Papers

Audemars Piguet Rose Gold Royal Oak Watch Ref. 15400 with Original and Papers

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Breitling - Breitling Steel Chronograph Ref. 815, also Known as the Long Playing Chronograph - The Keystone Watches

Breitling Steel Chronograph Ref. 815, also Known as the Long Playing Chronograph

Breitling Steel Chronograph Ref. 815, also Known as the Long Playing Chronograph

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Rolex - Rolex Oyster Chronograph Jean Claude Killy Watch, Ref. 6236 - The Keystone Watches

Rolex Oyster Chronograph Jean Claude Killy Watch, Ref. 6236

Rolex Oyster Chronograph Jean Claude Killy Watch, Ref. 6236

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Christophe Claret - Christopher Claret White Gold Aventicum Watch Ref. MTR.AVE15.072 - The Keystone Watches

Christopher Claret White Gold Aventicum Watch Ref. MTR.AVE15.072

Christopher Claret White Gold Aventicum Watch Ref. MTR.AVE15.072

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Christophe Claret - Christophe Claret Titanium Blackjack Ref. MTR.BLJ08.165 - The Keystone Watches

Christophe Claret Titanium Blackjack Ref. MTR.BLJ08.165

Christophe Claret Titanium Blackjack Ref. MTR.BLJ08.165

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

Patek Philippe White Gold Perpetual Calendar Chrono Watch Ref. 5970

Patek Philippe White Gold Perpetual Calendar Chrono Watch Ref. 5970

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Vacheron Constantin - Vacheron Constantin Steel Calatrava Watch Ref. 4217 - The Keystone Watches

Vacheron Constantin Steel Calatrava Watch Ref. 4217

Vacheron Constantin Steel Calatrava Watch Ref. 4217

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Rolex - Rolex Yellow Gold Cosmograph Daytona Zenith Watch Ref. 16528 with Original Box and Papers - The Keystone Watches

Rolex Yellow Gold Cosmograph Daytona Zenith Watch Ref. 16528 with Original Box and Papers

Rolex Yellow Gold Cosmograph Daytona Zenith Watch Ref. 16528 with Original Box and Papers

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Rolex - Rolex Rose Gold Day-Date Rainbow Watch Ref. 128345 - The Keystone Watches

Rolex Rose Gold Day-Date Rainbow Watch Ref. 128345

Rolex Rose Gold Day-Date Rainbow Watch Ref. 128345

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Audemars Piguet - Audemars Piguet Early Royal Oak Offshore Watch Ref. 25721 - The Keystone Watches

Audemars Piguet Early Royal Oak Offshore Watch Ref. 25721

Audemars Piguet Early Royal Oak Offshore Watch Ref. 25721

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Audemars Piguet - Audemars Piguet Early Royal Oak Offshore The Beast Watch Ref. 25721 - The Keystone Watches

Audemars Piguet Early Royal Oak Offshore The Beast Watch Ref. 25721

Audemars Piguet Early Royal Oak Offshore The Beast Watch Ref. 25721

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Patek Philippe - Patek Philippe White Gold Onyx Dial Watch, Ref. 3733 - The Keystone Watches

Patek Philippe White Gold Onyx Dial Watch, Ref. 3733

Patek Philippe White Gold Onyx Dial Watch, Ref. 3733

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Patek Philippe - Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

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Patek Philippe - Patek Philippe Platinum Gondolo Watch, Ref. 5098 - The Keystone Watches

Patek Philippe Platinum Gondolo Watch, Ref. 5098

Patek Philippe Platinum Gondolo Watch, Ref. 5098

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Patek Philippe - Patek Philippe Platinum Annual Calendar Chronograph Watch, Ref. 5960 - The Keystone Watches

Patek Philippe Platinum Annual Calendar Chronograph Watch, Ref. 5960

Patek Philippe Platinum Annual Calendar Chronograph Watch, Ref. 5960

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Patek Philippe - Patek Philippe White Gold Automatic Calatrava Watch Ref. 3588, with Original Box and Papers - The Keystone Watches

Patek Philippe White Gold Automatic Calatrava Watch Ref. 3588, with Original Box and Papers

Patek Philippe White Gold Automatic Calatrava Watch Ref. 3588, with Original Box and Papers

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

Patek Philippe Platinum Perpetual Calendar Chrono Baguette Diamond Watch Ref. 5271

Patek Philippe Platinum Perpetual Calendar Chrono Baguette Diamond Watch Ref. 5271

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Patek Philippe - Patek Philippe Rose Gold Aquanaut Watch Ref. 5164 - The Keystone Watches

Patek Philippe Rose Gold Aquanaut Watch Ref. 5164

Patek Philippe Rose Gold Aquanaut Watch Ref. 5164

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 3802 with Unusual Bracelet - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 3802 with Unusual Bracelet

Patek Philippe White Gold Calatrava Watch Ref. 3802 with Unusual Bracelet

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Watch Ref. 5396 - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5396

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5396

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Rolex - Rolex White Gold Day-Date Watch, Ref. 18239 - The Keystone Watches

Rolex White Gold Day-Date Watch, Ref. 18239

Rolex White Gold Day-Date Watch, Ref. 18239

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Rolex - Rolex Yellow Gold Oyster Perpetual Watch, Ref. 6465 Retailed by Linz - The Keystone Watches

Rolex Yellow Gold Oyster Perpetual Watch, Ref. 6465 Retailed by Linz

Rolex Yellow Gold Oyster Perpetual Watch, Ref. 6465 Retailed by Linz

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Rolex - Rolex White Gold Cosmograph Daytona Zenith Sodalite Watch Ref. 16519 - The Keystone Watches

Rolex White Gold Cosmograph Daytona Zenith Sodalite Watch Ref. 16519

Rolex White Gold Cosmograph Daytona Zenith Sodalite Watch Ref. 16519

Sold Out

 
Richard Mille - Richard Mille Titanium Skeleton Watch Ref. RM29 - The Keystone Watches

Richard Mille Titanium Skeleton Watch Ref. RM29

Richard Mille Titanium Skeleton Watch Ref. RM29

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Audemars Piguet - Audemars Piguet Yellow Gold Rectangular Strap Watch - The Keystone Watches

Audemars Piguet Yellow Gold Rectangular Strap Watch

Audemars Piguet Yellow Gold Rectangular Strap Watch

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

Audemars Piguet White Gold Automatic Watch

Audemars Piguet White Gold Automatic Watch

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Vacheron Constantin - Vacheron Constantin Yellow Gold Oversized TV-Shape Watch, 1960s - The Keystone Watches

Vacheron Constantin Yellow Gold Oversized TV-Shape Watch, 1960s

Vacheron Constantin Yellow Gold Oversized TV-Shape Watch, 1960s

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Audemars Piguet - Audemars Piguet Yellow Gold Day-Date Moonphase Royal Oak Watch - The Keystone Watches

Audemars Piguet Yellow Gold Day-Date Moonphase Royal Oak Watch

Audemars Piguet Yellow Gold Day-Date Moonphase Royal Oak Watch

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Patek Philippe - Patek Philippe Steel Calatrava Automatic Watch, Ref. 3466 - The Keystone Watches

Patek Philippe Steel Calatrava Automatic Watch, Ref. 3466

Patek Philippe Steel Calatrava Automatic Watch, Ref. 3466

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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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Vacheron Constantin - Vacheron Constantin White Gold Oversized TV-Shaped Watch, 1960s - The Keystone Watches

Vacheron Constantin White Gold Oversized TV-Shaped Watch, 1960s

Vacheron Constantin White Gold Oversized TV-Shaped Watch, 1960s

Sold Out

 
Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 5196 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 5196

Patek Philippe White Gold Calatrava Watch Ref. 5196

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Diamond Watch - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Diamond Watch

Audemars Piguet Yellow Gold Royal Oak Diamond Watch

Sold Out

 
Laurent Ferrier - Laurent Ferrier Steel Grand Sport Tourbillon Watch, Limited to 12 Pieces - The Keystone Watches

Laurent Ferrier Steel Grand Sport Tourbillon Watch, Limited to 12 Pieces

Laurent Ferrier Steel Grand Sport Tourbillon Watch, Limited to 12 Pieces

Sold Out

 
Cartier - Cartier Yellow & White Gold Cushion Trianon Strap Watch - The Keystone Watches

Cartier Yellow & White Gold Cushion Trianon Strap Watch

Cartier Yellow & White Gold Cushion Trianon Strap Watch

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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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