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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

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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

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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

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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

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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

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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

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

Rolex White Gold Day-Date 18239

Rolex White Gold Day-Date 18239

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Rolex - Rolex Anniversary Flat Four Submariner Ref. 16610, with Original Box and Papers New Old Stock - The Keystone Watches

Rolex Anniversary Flat Four Submariner Ref. 16610, with Original Box and Papers New Old Stock

Rolex Anniversary Flat Four Submariner Ref. 16610, with Original Box and Papers New Old Stock

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New Arrivals Preview
 
Patek Philippe Calatrava Yellow Gold Ref. 3919J (New Arrival)

Patek Philippe Calatrava Yellow Gold Ref. 3919J (New Arrival)

Patek Philippe Calatrava Yellow Gold Ref. 3919J (New Arrival)

$128,000 USD
 
Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

$17,500 USD
 
Patek Philippe White Gold Bracelet Watch Ref. 3430 (New Arrival)

Patek Philippe White Gold Bracelet Watch Ref. 3430 (New Arrival)

Patek Philippe White Gold Bracelet Watch Ref. 3430 (New Arrival)

$15,000 USD
 
Patek Philippe Yellow Gold Cioccolatone Watch Ref. 2486 (New Arrival)

Patek Philippe Yellow Gold Cioccolatone Watch Ref. 2486 (New Arrival)

Patek Philippe Yellow Gold Cioccolatone Watch Ref. 2486 (New Arrival)

$19,500 USD
 
Rolex Yellow and White Gold Cellini Ref. 4349 Bracelet Watch (New Arrival)

Rolex Yellow and White Gold Cellini Ref. 4349 Bracelet Watch (New Arrival)

Rolex Yellow and White Gold Cellini Ref. 4349 Bracelet Watch (New Arrival)

$18,000 USD
 
Vacheron Constantin White Gold Toledo Ref. 47300 (New Arrival)

Vacheron Constantin White Gold Toledo Ref. 47300 (New Arrival)

Vacheron Constantin White Gold Toledo Ref. 47300 (New Arrival)

$17,000 USD
 
Audemars Piguet Two Tone Royal Oak Ref. 56143SA (New Arrival)

Audemars Piguet Two Tone Royal Oak Ref. 56143SA (New Arrival)

Audemars Piguet Two Tone Royal Oak Ref. 56143SA (New Arrival)

$18,000 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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