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

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Sold Out

 
Rolex - Rolex GMT-Master Batman Watch Ref. 116710 - The Keystone Watches

Rolex GMT-Master Batman Watch Ref. 116710

Rolex GMT-Master Batman Watch Ref. 116710

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Rolex - Rolex White Gold Cosmograph Daytona Watch Ref. 116509 - The Keystone Watches

Rolex White Gold Cosmograph Daytona Watch Ref. 116509

Rolex White Gold Cosmograph Daytona Watch Ref. 116509

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Openworked Skeleton Watch Ref. 15204 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Openworked Skeleton Watch Ref. 15204

Audemars Piguet Rose Gold Royal Oak Openworked Skeleton Watch Ref. 15204

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Tourbillon Watch Ref. 26510 - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Tourbillon Watch Ref. 26510

Audemars Piguet Rose Gold Royal Oak Tourbillon Watch Ref. 26510

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

Patek Philippe White Gold World Time NY Edition Watch Ref. 5230

Patek Philippe White Gold World Time NY Edition Watch Ref. 5230

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Patek Philippe - Patek Philippe Stainless Steel Aquanaut Jumbo Watch Ref. 5167 - The Keystone Watches

Patek Philippe Stainless Steel Aquanaut Jumbo Watch Ref. 5167

Patek Philippe Stainless Steel Aquanaut Jumbo Watch Ref. 5167

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Rolex - Rolex Cosmograph Daytona Cream Dial Watch Ref. 116520 - The Keystone Watches

Rolex Cosmograph Daytona Cream Dial Watch Ref. 116520

Rolex Cosmograph Daytona Cream Dial Watch Ref. 116520

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Rolex - Rolex Submariner Anniversary Flat 4 Watch Ref. 16610 - The Keystone Watches

Rolex Submariner Anniversary Flat 4 Watch Ref. 16610

Rolex Submariner Anniversary Flat 4 Watch Ref. 16610

Sold Out

 
Patek Philippe - Patek Philippe Rare Handcrafts Grand Canyon Watch Ref. 5089 - The Keystone Watches

Patek Philippe Rare Handcrafts Grand Canyon Watch Ref. 5089

Patek Philippe Rare Handcrafts Grand Canyon Watch Ref. 5089

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Moonphase Watch Ref. 5205 - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Moonphase Watch Ref. 5205

Patek Philippe Rose Gold Annual Calendar Moonphase Watch Ref. 5205

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Omega - Omega Stainless Steel Chronostop Watch Ref. 145.009 - The Keystone Watches

Omega Stainless Steel Chronostop Watch Ref. 145.009

Omega Stainless Steel Chronostop Watch Ref. 145.009

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Rolex - Rolex Steel Meters-First Submariner Watch Ref. 5513 with Original Papers - The Keystone Watches

Rolex Steel Meters-First Submariner Watch Ref. 5513 with Original Papers

Rolex Steel Meters-First Submariner Watch Ref. 5513 with Original Papers

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Tiffany & Co Watch Ref. 3468 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Tiffany & Co Watch Ref. 3468

Patek Philippe Yellow Gold Calatrava Tiffany & Co Watch Ref. 3468

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Piaget - Piaget Platinum Altiplano Ultra Thin Watch Ref. G0A27009 - The Keystone Watches

Piaget Platinum Altiplano Ultra Thin Watch Ref. G0A27009

Piaget Platinum Altiplano Ultra Thin Watch Ref. G0A27009

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Patek Philippe - Patek Philippe Stainless Steel Waterproof Watch Ref. 3579 - The Keystone Watches

Patek Philippe Stainless Steel Waterproof Watch Ref. 3579

Patek Philippe Stainless Steel Waterproof Watch Ref. 3579

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Patek Philippe - Patek Philippe Rose Gold Calatrava Watch Ref. 3796 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Watch Ref. 3796

Patek Philippe Rose Gold Calatrava Watch Ref. 3796

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Patek Philippe - Patek Philippe Steel Aquanaut Watch Ref. 5167 - The Keystone Watches

Patek Philippe Steel Aquanaut Watch Ref. 5167

Patek Philippe Steel Aquanaut Watch Ref. 5167

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Audemars Piguet - Audemars Piguet Tantalum Royal Oak Championship Watch, Ref. 56175 - The Keystone Watches

Audemars Piguet Tantalum Royal Oak Championship Watch, Ref. 56175

Audemars Piguet Tantalum Royal Oak Championship Watch, Ref. 56175

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A. Lange & Sohne - A. Lange & Sohne White Gold 1815 Up Down Watch Ref. 234.026 - The Keystone Watches

A. Lange & Sohne White Gold 1815 Up Down Watch Ref. 234.026

A. Lange & Sohne White Gold 1815 Up Down Watch Ref. 234.026

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Tudor - Tudor Stainless Steel Submariner Watch Ref. 76100 - The Keystone Watches

Tudor Stainless Steel Submariner Watch Ref. 76100

Tudor Stainless Steel Submariner Watch Ref. 76100

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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 Aquanaut Travel Time Watch Ref. 5164a - The Keystone Watches

Patek Philippe Aquanaut Travel Time Watch Ref. 5164a

Patek Philippe Aquanaut Travel Time Watch Ref. 5164a

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Audemars Piguet - Audemars Piguet Steel Royal Oak Jumbo A-Series Watch Ref. 5402 - The Keystone Watches

Audemars Piguet Steel Royal Oak Jumbo A-Series Watch Ref. 5402

Audemars Piguet Steel Royal Oak Jumbo A-Series Watch Ref. 5402

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Patek Philippe - Patek Philippe White Gold Calatrava Strap Watch Ref. 3919 - The Keystone Watches

Patek Philippe White Gold Calatrava Strap Watch Ref. 3919

Patek Philippe White Gold Calatrava Strap Watch Ref. 3919

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

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235G

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235G

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Vacheron Constantin - Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4072 - The Keystone Watches

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4072

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4072

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Rolex - Rolex Yellow Gold Day-Date Diamond Watch Ref. 18048 - The Keystone Watches

Rolex Yellow Gold Day-Date Diamond Watch Ref. 18048

Rolex Yellow Gold Day-Date Diamond Watch Ref. 18048

Sold Out

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

Patek Philippe Rose Gold Calatrava Watch Ref. 5196

Patek Philippe Rose Gold Calatrava Watch Ref. 5196

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Patek Philippe - Patek Philippe Steel Nautilus Moonphase Watch Ref. 5712/1A - The Keystone Watches

Patek Philippe Steel Nautilus Moonphase Watch Ref. 5712/1A

Patek Philippe Steel Nautilus Moonphase Watch Ref. 5712/1A

Sold Out

 
Audemars Piguet - Audemars Piguet Steel Royal Oak Watch Ref. 15300 - The Keystone Watches

Audemars Piguet Steel Royal Oak Watch Ref. 15300

Audemars Piguet Steel Royal Oak Watch Ref. 15300

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Patek Philippe - Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990 - The Keystone Watches

Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990

Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990

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Omega - Omega Steel Speedmaster Broad Arrow Chronograph Watch - The Keystone Watches

Omega Steel Speedmaster Broad Arrow Chronograph Watch

Omega Steel Speedmaster Broad Arrow Chronograph Watch

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5270 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5270

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5270

Sold Out

 
Audemars Piguet - Audemars Piguet Royal Oak Extra Thin Watch Ref. 15202 - The Keystone Watches

Audemars Piguet Royal Oak Extra Thin Watch Ref. 15202

Audemars Piguet Royal Oak Extra Thin Watch Ref. 15202

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne Rose Gold Saxonia Watch Ref. 219.032 - The Keystone Watches

A. Lange & Sohne Rose Gold Saxonia Watch Ref. 219.032

A. Lange & Sohne Rose Gold Saxonia Watch Ref. 219.032

Sold Out

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New Arrivals Preview
 
Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

$23,750 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL) - The Keystone Watches

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

$155,000 USD
 
Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

$13,250 USD
 
Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

$16,500 USD
 

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

$17,750 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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