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Patek Philippe - Patek Philippe Rose Gold Cloisonne World Time Ref. 5131 - The Keystone Watches

Patek Philippe Rose Gold Cloisonne World Time Ref. 5131

Patek Philippe Rose Gold Cloisonne World Time Ref. 5131

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970

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

Patek Philippe Platinum 10-Day Tourbillon Watch Ref. 5101

Patek Philippe Platinum 10-Day Tourbillon Watch Ref. 5101

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Rolex - Rolex Precision Strap Watch, Circa 1976 - The Keystone Watches

Rolex Precision Strap Watch, Circa 1976

Rolex Precision Strap Watch, Circa 1976

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Audemars Piguet - Audemars Piguet Yellow Gold Ultra-Thin Strap Watch - The Keystone Watches

Audemars Piguet Yellow Gold Ultra-Thin Strap Watch

Audemars Piguet Yellow Gold Ultra-Thin Strap Watch

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

Audemars Piguet White Gold Automatic Strap Watch

Audemars Piguet White Gold Automatic Strap Watch

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Patek Philippe - Patek Philippe White Gold Ellipse Watch Ref. 3648, Retailed by Somazzi - The Keystone Watches

Patek Philippe White Gold Ellipse Watch Ref. 3648, Retailed by Somazzi

Patek Philippe White Gold Ellipse Watch Ref. 3648, Retailed by Somazzi

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Audemars Piguet - Audemars Piguet Steel Tonneau-Shaped Watch Ref. 5369 - The Keystone Watches

Audemars Piguet Steel Tonneau-Shaped Watch Ref. 5369

Audemars Piguet Steel Tonneau-Shaped Watch Ref. 5369

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Cartier - Cartier Platinum Jumbo Tank Americaine Mechanique Watch - The Keystone Watches

Cartier Platinum Jumbo Tank Americaine Mechanique Watch

Cartier Platinum Jumbo Tank Americaine Mechanique Watch

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

Audemars Piguet White Gold Automatic Strap Watch

Audemars Piguet White Gold Automatic Strap Watch

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Audemars Piguet - Audemars Piguet Yellow Gold Ultra-Thin Strap Watch, Retailed by Turler - The Keystone Watches

Audemars Piguet Yellow Gold Ultra-Thin Strap Watch, Retailed by Turler

Audemars Piguet Yellow Gold Ultra-Thin Strap Watch, Retailed by Turler

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

Patek Philippe Yellow Gold Perpetual Calendar Chrono Watch Ref. 5970

Patek Philippe Yellow Gold Perpetual Calendar Chrono Watch Ref. 5970

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Rolex - Rolex White Gold GMT-Master II Diamond Sapphire Watch Ref. 116759 - The Keystone Watches

Rolex White Gold GMT-Master II Diamond Sapphire Watch Ref. 116759

Rolex White Gold GMT-Master II Diamond Sapphire Watch Ref. 116759

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Rolex - Rolex White Gold Daytona Meteriote Watch Ref. 116519 - The Keystone Watches

Rolex White Gold Daytona Meteriote Watch Ref. 116519

Rolex White Gold Daytona Meteriote Watch Ref. 116519

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Rolex - Rolex Yellow Gold Day-Date Masterpiece Green Watch Ref. 18948 - The Keystone Watches

Rolex Yellow Gold Day-Date Masterpiece Green Watch Ref. 18948

Rolex Yellow Gold Day-Date Masterpiece Green Watch Ref. 18948

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Patek Philippe - Patek Philippe Yellow Gold Lapis Bracelet Watch Ref. 3578 - The Keystone Watches

Patek Philippe Yellow Gold Lapis Bracelet Watch Ref. 3578

Patek Philippe Yellow Gold Lapis Bracelet Watch Ref. 3578

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Rolex - Rolex White Gold Day-Date Ruby And Diamond Watch Ref. 18039 - The Keystone Watches

Rolex White Gold Day-Date Ruby And Diamond Watch Ref. 18039

Rolex White Gold Day-Date Ruby And Diamond Watch Ref. 18039

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Omega - Omega Speedmaster Broad Arrow Olympics Edition - The Keystone Watches

Omega Speedmaster Broad Arrow Olympics Edition

Omega Speedmaster Broad Arrow Olympics Edition

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 6000 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 6000

Patek Philippe White Gold Calatrava Watch Ref. 6000

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Rolex - Rolex Submariner Anniversary Watch Ref. 16610, in Unworn Condition - The Keystone Watches

Rolex Submariner Anniversary Watch Ref. 16610, in Unworn Condition

Rolex Submariner Anniversary Watch Ref. 16610, in Unworn Condition

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Patek Philippe - Patek Philippe White Gold Diamond Watch Ref. 3588 - The Keystone Watches

Patek Philippe White Gold Diamond Watch Ref. 3588

Patek Philippe White Gold Diamond Watch Ref. 3588

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Patek Philippe - Patek Philippe White Gold Automatic Diamond Watch Ref. 3563 - The Keystone Watches

Patek Philippe White Gold Automatic Diamond Watch Ref. 3563

Patek Philippe White Gold Automatic Diamond Watch Ref. 3563

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Rolex - Rolex Yellow Gold Day-Date Oyster Rivet Watch Ref. 1803 - The Keystone Watches

Rolex Yellow Gold Day-Date Oyster Rivet Watch Ref. 1803

Rolex Yellow Gold Day-Date Oyster Rivet Watch Ref. 1803

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Rolex - Rolex White Gold Day-Date Watch Ref. 1803, Retailed by Bucherer - The Keystone Watches

Rolex White Gold Day-Date Watch Ref. 1803, Retailed by Bucherer

Rolex White Gold Day-Date Watch Ref. 1803, Retailed by Bucherer

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Rolex - Rolex White Gold Day-Date Blue Stella Watch, Ref. 1803 - The Keystone Watches

Rolex White Gold Day-Date Blue Stella Watch, Ref. 1803

Rolex White Gold Day-Date Blue Stella Watch, Ref. 1803

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Patek Philippe - Patek Philippe Yellow Gold Travel Time Watch Ref. 2597 - The Keystone Watches

Patek Philippe Yellow Gold Travel Time Watch Ref. 2597

Patek Philippe Yellow Gold Travel Time Watch Ref. 2597

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Audemars Piguet - Audemars Piguet Jules Audemars Minute Repeater Tourbillon Watch Ref. 25858 - The Keystone Watches

Audemars Piguet Jules Audemars Minute Repeater Tourbillon Watch Ref. 25858

Audemars Piguet Jules Audemars Minute Repeater Tourbillon Watch Ref. 25858

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Rolex - Rolex Cosmograph Daytona Paul Newman Watch Ref. 6241 - The Keystone Watches

Rolex Cosmograph Daytona Paul Newman Watch Ref. 6241

Rolex Cosmograph Daytona Paul Newman Watch Ref. 6241

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

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

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

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Rolex - Rolex Yellow Gold GMT-Master II Sapphire Ruby Watch Ref. 116748 in Unworn Condition - The Keystone Watches

Rolex Yellow Gold GMT-Master II Sapphire Ruby Watch Ref. 116748 in Unworn Condition

Rolex Yellow Gold GMT-Master II Sapphire Ruby Watch Ref. 116748 in Unworn Condition

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A. Lange & Sohne - A. Lange & Sohne Rose Gold Datograph Dufour Watch Ref. 403.031 - The Keystone Watches

A. Lange & Sohne Rose Gold Datograph Dufour Watch Ref. 403.031

A. Lange & Sohne Rose Gold Datograph Dufour Watch Ref. 403.031

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Omega - Omega Speedmaster Moonwatch Snoopy Award Ref. 3578.51.00 - The Keystone Watches

Omega Speedmaster Moonwatch Snoopy Award Ref. 3578.51.00

Omega Speedmaster Moonwatch Snoopy Award Ref. 3578.51.00

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Audemars Piguet - Audemars Piguet Two-Tone Royal Oak Day-Date Moonphase Watch - The Keystone Watches

Audemars Piguet Two-Tone Royal Oak Day-Date Moonphase Watch

Audemars Piguet Two-Tone Royal Oak Day-Date Moonphase Watch

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Rolex - Rolex GMT-Master II Coke Watch Ref. 16710 - The Keystone Watches

Rolex GMT-Master II Coke Watch Ref. 16710

Rolex GMT-Master II Coke Watch Ref. 16710

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Cartier - Cartier Yellow Gold Pasha Golf Automatic Watch - The Keystone Watches

Cartier Yellow Gold Pasha Golf Automatic Watch

Cartier Yellow Gold Pasha Golf Automatic Watch

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Franck Muller - Franck Muller Platinum Imperial Tourbillon Minute Repeater - The Keystone Watches

Franck Muller Platinum Imperial Tourbillon Minute Repeater

Franck Muller Platinum Imperial Tourbillon Minute Repeater

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New Arrivals Preview
 

Patek Philippe White Gold Golden Ellipse Watch Ref. 3644 on Chain JPE Band (New Arrival)

Patek Philippe White Gold Golden Ellipse Watch Ref. 3644 on Chain JPE Band (New Arrival)

$11,500 USD
 
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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