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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 PRecision Diamond Watch with Original Warranty - The Keystone Watches

Rolex White Gold PRecision Diamond Watch with Original Warranty

Rolex White Gold PRecision Diamond Watch with Original Warranty

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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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Patek Philippe - Patek Philippe White Gold Bracelet Watch, Ref. 3266 - The Keystone Watches

Patek Philippe White Gold Bracelet Watch, Ref. 3266

Patek Philippe White Gold Bracelet Watch, Ref. 3266

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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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Universal Geneve - Universal Geneve White Gold Golden Shadow Watch - The Keystone Watches

Universal Geneve White Gold Golden Shadow Watch

Universal Geneve White Gold Golden Shadow Watch

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Audemars Piguet - Audemars Piguet White Gold Disco Volante Watch Ref. 5093 - The Keystone Watches

Audemars Piguet White Gold Disco Volante Watch Ref. 5093

Audemars Piguet White Gold Disco Volante Watch Ref. 5093

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Patek Philippe - Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131 - The Keystone Watches

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

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Rolex - Rolex Yellow Gold Datejust Watch Ref. 6517 with Original Warranty Papers - The Keystone Watches

Rolex Yellow Gold Datejust Watch Ref. 6517 with Original Warranty Papers

Rolex Yellow Gold Datejust Watch Ref. 6517 with Original Warranty Papers

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Vacheron Constantin - Vacheron Constantin White Gold Lapis Dial Watch - The Keystone Watches

Vacheron Constantin White Gold Lapis Dial Watch

Vacheron Constantin White Gold Lapis Dial Watch

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Omega - Omega Seamaster 300 Watch Ref. 2913-8 - The Keystone Watches

Omega Seamaster 300 Watch Ref. 2913-8

Omega Seamaster 300 Watch Ref. 2913-8

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Rolex - Rolex White Gold Day-Date in New Old Stock Condition, Made for Saudi Aviation SNAS - The Keystone Watches

Rolex White Gold Day-Date in New Old Stock Condition, Made for Saudi Aviation SNAS

Rolex White Gold Day-Date in New Old Stock Condition, Made for Saudi Aviation SNAS

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Ulysse Nardin - Ulysse Nardin Rose Gold Freak Cruiser Watch - The Keystone Watches

Ulysse Nardin Rose Gold Freak Cruiser Watch

Ulysse Nardin Rose Gold Freak Cruiser Watch

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

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270

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New Arrivals Preview
 
Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

"Price upon request"
 
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
 
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
 
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
 
Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

$15,000 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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