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Patek Philippe - Patek Philippe Yellow Gold Onyx Dial Ref. 3733 - The Keystone Watches

Patek Philippe Yellow Gold Onyx Dial Ref. 3733

Patek Philippe Yellow Gold Onyx Dial Ref. 3733

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Patek Philippe - Patek Philippe Steel Midsize Nautilus Watch Ref. 3900 - The Keystone Watches

Patek Philippe Steel Midsize Nautilus Watch Ref. 3900

Patek Philippe Steel Midsize Nautilus Watch Ref. 3900

Sold Out

 
Audemars Piguet - Audemars Piguet Steel Royal Oak - The Keystone Watches

Audemars Piguet Steel Royal Oak

Audemars Piguet Steel Royal Oak

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Vacheron Constantin - Vacheron Constantin White Gold Saltarello Ref. 163550 - The Keystone Watches

Vacheron Constantin White Gold Saltarello Ref. 163550

Vacheron Constantin White Gold Saltarello Ref. 163550

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Ref. 4100 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Ref. 4100

Audemars Piguet Yellow Gold Royal Oak Ref. 4100

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 5136 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5136

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5136

Sold Out

 
Audemars Piguet - Audemars Piguet Steel Royal Oak Ref. 56303 - The Keystone Watches

Audemars Piguet Steel Royal Oak Ref. 56303

Audemars Piguet Steel Royal Oak Ref. 56303

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Patek Philippe - Patek Philippe White Gold Chronograph Ref. 5170, Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe White Gold Chronograph Ref. 5170, Retailed by Tiffany & Co.

Patek Philippe White Gold Chronograph Ref. 5170, Retailed by Tiffany & Co.

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

Patek Philippe Rose Gold 10-Day Tourbillon Watch Ref. 5101

Patek Philippe Rose Gold 10-Day Tourbillon Watch Ref. 5101

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Patek Philippe - Patek Philippe Yellow Gold Bracelet Watch Ref. 4241 with Iraqi Coat of Arms - The Keystone Watches

Patek Philippe Yellow Gold Bracelet Watch Ref. 4241 with Iraqi Coat of Arms

Patek Philippe Yellow Gold Bracelet Watch Ref. 4241 with Iraqi Coat of Arms

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Rolex - Rolex Yellow Gold Day-Date Watch Ref. 118138 - The Keystone Watches

Rolex Yellow Gold Day-Date Watch Ref. 118138

Rolex Yellow Gold Day-Date Watch Ref. 118138

Sold Out

 
Patek Philippe - Patek Philippe Nautilus Ref. 3800 with Black Roman Numeral Dial - The Keystone Watches

Patek Philippe Nautilus Ref. 3800 with Black Roman Numeral Dial

Patek Philippe Nautilus Ref. 3800 with Black Roman Numeral Dial

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

Patek Philippe Rose Gold World Time Watch Ref. 5110

Patek Philippe Rose Gold World Time Watch Ref. 5110

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Patek Philippe - Patek Philippe Platinum Minute Repeater Tourbillon Watch Ref. 3939 - The Keystone Watches

Patek Philippe Platinum Minute Repeater Tourbillon Watch Ref. 3939

Patek Philippe Platinum Minute Repeater Tourbillon Watch Ref. 3939

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

Patek Philippe Steel Nautilus Ref 5712/1A

Patek Philippe Steel Nautilus Ref 5712/1A

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Rolex - Rolex Bakalite GMT-Master Ref. 6542 - The Keystone Watches

Rolex Bakalite GMT-Master Ref. 6542

Rolex Bakalite GMT-Master Ref. 6542

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A. Lange & Sohne - A. Lange & Sohne Platinum Lange One for Sincere Singapore Ref. 112.049 - The Keystone Watches

A. Lange & Sohne Platinum Lange One for Sincere Singapore Ref. 112.049

A. Lange & Sohne Platinum Lange One for Sincere Singapore Ref. 112.049

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Patek Philippe - Patek Philippe White Gold Calatrava Ref. 3588 - The Keystone Watches

Patek Philippe White Gold Calatrava Ref. 3588

Patek Philippe White Gold Calatrava Ref. 3588

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Rolex - Rolex No Crown Guards Submariner Watch Ref. 5508 with Original Exclamation Point Dial - The Keystone Watches

Rolex No Crown Guards Submariner Watch Ref. 5508 with Original Exclamation Point Dial

Rolex No Crown Guards Submariner Watch Ref. 5508 with Original Exclamation Point Dial

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Rolex - Rolex Yellow Gold Day-Date Ref. 18348 with Original Carousel Diamond and Green Enamel Dial - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 18348 with Original Carousel Diamond and Green Enamel Dial

Rolex Yellow Gold Day-Date Ref. 18348 with Original Carousel Diamond and Green Enamel Dial

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Patek Philippe - Patek Philippe Perpetual Calendar Watch Ref. 3450 - The Keystone Watches

Patek Philippe Perpetual Calendar Watch Ref. 3450

Patek Philippe Perpetual Calendar Watch Ref. 3450

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Audemars Piguet - Audemars Piguet Royal Oak Offshore Ginza Carbon Fiber Ref. 26205 - The Keystone Watches

Audemars Piguet Royal Oak Offshore Ginza Carbon Fiber Ref. 26205

Audemars Piguet Royal Oak Offshore Ginza Carbon Fiber Ref. 26205

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Minute Repeater Watch Ref. 3974 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Minute Repeater Watch Ref. 3974

Patek Philippe Yellow Gold Perpetual Calendar Minute Repeater Watch Ref. 3974

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Rolex - Rolex Steel Pepsi GMT-Master Ref. 16750 - The Keystone Watches

Rolex Steel Pepsi GMT-Master Ref. 16750

Rolex Steel Pepsi GMT-Master Ref. 16750

Sold Out

 
Audemars Piguet - Audemars Piguet Royal Oak Tourbillon Extra-Thin Ref. 26510 - The Keystone Watches

Audemars Piguet Royal Oak Tourbillon Extra-Thin Ref. 26510

Audemars Piguet Royal Oak Tourbillon Extra-Thin Ref. 26510

Sold Out

 
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

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Patek Philippe - Patek Philippe Aquanaut Jumbo Watch Ref. 5065 - The Keystone Watches

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Split Seconds Chrono Watch Ref. 5004 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Split Seconds Chrono Watch Ref. 5004

Patek Philippe Yellow Gold Perpetual Calendar Split Seconds Chrono Watch Ref. 5004

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

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970

Sold Out

 
Rolex - Rolex Daytona Steel Ref. 116520 in New Old Stock Condition - The Keystone Watches

Rolex Daytona Steel Ref. 116520 in New Old Stock Condition

Rolex Daytona Steel Ref. 116520 in New Old Stock Condition

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Audemars Piguet - Audemars Piguet Royal Oak Tourbillon Salmon Dial Watch Ref. 25831 - The Keystone Watches

Audemars Piguet Royal Oak Tourbillon Salmon Dial Watch Ref. 25831

Audemars Piguet Royal Oak Tourbillon Salmon Dial Watch Ref. 25831

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Ref. 3445 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Ref. 3445

Patek Philippe Yellow Gold Calatrava Ref. 3445

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Cartier - Cartier Platinum and Diamond Tank Chinoise Ref. 2685 - The Keystone Watches

Cartier Platinum and Diamond Tank Chinoise Ref. 2685

Cartier Platinum and Diamond Tank Chinoise Ref. 2685

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne White Gold Saxonia Annual Calendar Ref. 330.026 - The Keystone Watches

A. Lange & Sohne White Gold Saxonia Annual Calendar Ref. 330.026

A. Lange & Sohne White Gold Saxonia Annual Calendar Ref. 330.026

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Rolex - Rolex Day-Date Platinum Ice Blue Dial Ref. 118206 - The Keystone Watches

Rolex Day-Date Platinum Ice Blue Dial Ref. 118206

Rolex Day-Date Platinum Ice Blue Dial Ref. 118206

Sold Out

 
Rolex - Rolex White Gold Day-Date 18239 - The Keystone Watches

Rolex White Gold Day-Date 18239

Rolex White Gold Day-Date 18239

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
 

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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