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

Patek Philippe World Time Yellow Gold Ref. 5110J

Patek Philippe World Time Yellow Gold Ref. 5110J

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Patek Philippe - Patek Philippe World Time White Gold Ref. 5110G - The Keystone Watches

Patek Philippe World Time White Gold Ref. 5110G

Patek Philippe World Time White Gold Ref. 5110G

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A. Lange & Sohne - A Lange & Sohne Rose Gold Richard Lange Referenzuhr Ref. 250.032 - The Keystone Watches

A Lange & Sohne Rose Gold Richard Lange Referenzuhr Ref. 250.032

A Lange & Sohne Rose Gold Richard Lange Referenzuhr Ref. 250.032

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FP Journe - F.P Journe Platinum Tourbillon Remontoir dEgalite with Rose Gold Dial - The Keystone Watches

F.P Journe Platinum Tourbillon Remontoir dEgalite with Rose Gold Dial

F.P Journe Platinum Tourbillon Remontoir dEgalite with Rose Gold Dial

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Patek Philippe - Patek Philippe Aquanaut Watch Ref. 5065 with Original Box and Papers - The Keystone Watches

Patek Philippe Aquanaut Watch Ref. 5065 with Original Box and Papers

Patek Philippe Aquanaut Watch Ref. 5065 with Original Box and Papers

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Cartier - Cartier White Gold Tonneau Dual Time Ref. 2806 - The Keystone Watches

Cartier White Gold Tonneau Dual Time Ref. 2806

Cartier White Gold Tonneau Dual Time Ref. 2806

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Rolex - Rolex Cosmograph Daytona Diamond Watch Ref. 116589 - The Keystone Watches

Rolex Cosmograph Daytona Diamond Watch Ref. 116589

Rolex Cosmograph Daytona Diamond Watch Ref. 116589

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Patek Philippe - Patek Philippe White Gold World Time Watch Ref. 5130 - The Keystone Watches

Patek Philippe White Gold World Time Watch Ref. 5130

Patek Philippe White Gold World Time Watch Ref. 5130

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Patek Philippe - Patek Philippe Perpetual Calendar Yellow Gold Ref. 3970 - The Keystone Watches

Patek Philippe Perpetual Calendar Yellow Gold Ref. 3970

Patek Philippe Perpetual Calendar Yellow Gold Ref. 3970

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Cartier - Cartier White Gold Tortue Monopoussir Watch, Ref 2396 - The Keystone Watches

Cartier White Gold Tortue Monopoussir Watch, Ref 2396

Cartier White Gold Tortue Monopoussir Watch, Ref 2396

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Rolex - Rolex White Gold GMT Diamond Sapphire Watch Ref. 116749 - The Keystone Watches

Rolex White Gold GMT Diamond Sapphire Watch Ref. 116749

Rolex White Gold GMT Diamond Sapphire Watch Ref. 116749

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Rolex - Rolex White Gold Smurf Submariner Watch Ref. 116619 - The Keystone Watches

Rolex White Gold Smurf Submariner Watch Ref. 116619

Rolex White Gold Smurf Submariner Watch Ref. 116619

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Rolex - Rolex Platinum Cosmograph Daytona Diamond Watch Ref. 116576 - The Keystone Watches

Rolex Platinum Cosmograph Daytona Diamond Watch Ref. 116576

Rolex Platinum Cosmograph Daytona Diamond Watch Ref. 116576

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Rolex - Rolex White Gold Cosmograph Rainbow Daytona Watch Ref. 116599 - The Keystone Watches

Rolex White Gold Cosmograph Rainbow Daytona Watch Ref. 116599

Rolex White Gold Cosmograph Rainbow Daytona Watch Ref. 116599

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Audemars Piguet - Audemars Piguet Royal Oak Offshore Chronograph Yellow Watch - The Keystone Watches

Audemars Piguet Royal Oak Offshore Chronograph Yellow Watch

Audemars Piguet Royal Oak Offshore Chronograph Yellow Watch

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FP Journe - F.P Journe Rose Gold Octa Divine 42mm Watch - The Keystone Watches

F.P Journe Rose Gold Octa Divine 42mm Watch

F.P Journe Rose Gold Octa Divine 42mm Watch

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Rolex - Rolex White Gold Day-Date Baguette Diamond Watch Ref. 218399 - The Keystone Watches

Rolex White Gold Day-Date Baguette Diamond Watch Ref. 218399

Rolex White Gold Day-Date Baguette Diamond Watch Ref. 218399

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Patek Philippe - Patek Philippe Stainless Steel Calatrava Watch Ref. 5565 - The Keystone Watches

Patek Philippe Stainless Steel Calatrava Watch Ref. 5565

Patek Philippe Stainless Steel Calatrava Watch Ref. 5565

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A. Lange & Sohne - A. Lange & Sohne Platinum Langematik Jubilee Anniversary Enamel Watch Ref. 302.025 - The Keystone Watches

A. Lange & Sohne Platinum Langematik Jubilee Anniversary Enamel Watch Ref. 302.025

A. Lange & Sohne Platinum Langematik Jubilee Anniversary Enamel Watch Ref. 302.025

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Richard Mille - Richard Mille Skeletonized Paris Boutique RM10 Watch, Limited to 10 Pieces - The Keystone Watches

Richard Mille Skeletonized Paris Boutique RM10 Watch, Limited to 10 Pieces

Richard Mille Skeletonized Paris Boutique RM10 Watch, Limited to 10 Pieces

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Audemars Piguet - Audemars Piguet Rose Gold Code 11.59 Chronograph Watch - The Keystone Watches

Audemars Piguet Rose Gold Code 11.59 Chronograph Watch

Audemars Piguet Rose Gold Code 11.59 Chronograph Watch

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Audemars Piguet - Audemars Piguet Rose Gold Code 11.59 Auto Watch - The Keystone Watches

Audemars Piguet Rose Gold Code 11.59 Auto Watch

Audemars Piguet Rose Gold Code 11.59 Auto Watch

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Audemars Piguet - Audemars Piguet Rose Gold & White Gold Code 11.59 Watch - The Keystone Watches

Audemars Piguet Rose Gold & White Gold Code 11.59 Watch

Audemars Piguet Rose Gold & White Gold Code 11.59 Watch

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Patek Philippe - Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204 - The Keystone Watches

Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204

Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Chronograph Watch Ref. 25960 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Chronograph Watch Ref. 25960

Audemars Piguet Yellow Gold Royal Oak Chronograph Watch Ref. 25960

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Patek Philippe - Patek Philippe Platinum Minute Repeater Black Dial Watch Ref. 5078 - The Keystone Watches

Patek Philippe Platinum Minute Repeater Black Dial Watch Ref. 5078

Patek Philippe Platinum Minute Repeater Black Dial Watch Ref. 5078

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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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Rolex - Rolex Yellow Gold Day-Date Turquoise Diamond Watch Ref. 128238 - The Keystone Watches

Rolex Yellow Gold Day-Date Turquoise Diamond Watch Ref. 128238

Rolex Yellow Gold Day-Date Turquoise Diamond Watch Ref. 128238

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 5160, Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5160, Retailed by Tiffany & Co.

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5160, Retailed by Tiffany & Co.

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Rolex - Rolex White Gold Cosmograph Daytona Sapphire Diamond Watch Ref. 116589 - The Keystone Watches

Rolex White Gold Cosmograph Daytona Sapphire Diamond Watch Ref. 116589

Rolex White Gold Cosmograph Daytona Sapphire Diamond Watch Ref. 116589

Sold Out

 
Rolex - Rolex White Gold Cosmograph Daytona Watch Ref. 116599 - The Keystone Watches

Rolex White Gold Cosmograph Daytona Watch Ref. 116599

Rolex White Gold Cosmograph Daytona Watch Ref. 116599

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Automatic Watch Ref. 5140 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Automatic Watch Ref. 5140

Patek Philippe White Gold Perpetual Calendar Automatic Watch Ref. 5140

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Patek Philippe - Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146 - The Keystone Watches

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5074, One of Only Two Known - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5074, One of Only Two Known

Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5074, One of Only Two Known

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Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5070 - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5070

Patek Philippe Platinum Chronograph Watch Ref. 5070

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Hand-Engraved Watch Ref. 5160 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Hand-Engraved Watch Ref. 5160

Patek Philippe Yellow Gold Perpetual Hand-Engraved Watch Ref. 5160

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New Arrivals Preview
 
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
 
Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

$8,750 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
 
Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

$23,500 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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