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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chrono Baguette Diamond Watch Ref. 5971 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chrono Baguette Diamond Watch Ref. 5971

Patek Philippe Platinum Perpetual Calendar Chrono Baguette Diamond Watch Ref. 5971

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Rolex - Rolex Yellow Gold Daytona La Montoya Artisans de Geneve Watch - The Keystone Watches

Rolex Yellow Gold Daytona La Montoya Artisans de Geneve Watch

Rolex Yellow Gold Daytona La Montoya Artisans de Geneve Watch

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Automatic Extra-Thin Watch - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Automatic Extra-Thin Watch

Audemars Piguet Rose Gold Royal Oak Automatic Extra-Thin Watch

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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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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chrono Ruby Watch Ref. 5271 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chrono Ruby Watch Ref. 5271

Patek Philippe Platinum Perpetual Calendar Chrono Ruby Watch Ref. 5271

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chrono Sapphire Watch Ref. 5271 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chrono Sapphire Watch Ref. 5271

Patek Philippe Platinum Perpetual Calendar Chrono Sapphire Watch Ref. 5271

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Audemars Piguet - Audemars Piguet Black Ceramic Royal Oak Perpetual Calendar Watch - The Keystone Watches

Audemars Piguet Black Ceramic Royal Oak Perpetual Calendar Watch

Audemars Piguet Black Ceramic Royal Oak Perpetual Calendar Watch

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Cartier White Gold Tortue Minute Repeater Watch

Cartier White Gold Tortue Minute Repeater Watch

Cartier White Gold Tortue Minute Repeater Watch

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Patek Philippe - Patek Philippe White Gold Nautilus Moonphase Watch Ref. 5712 - The Keystone Watches

Patek Philippe White Gold Nautilus Moonphase Watch Ref. 5712

Patek Philippe White Gold Nautilus Moonphase Watch Ref. 5712

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Patek Philippe - Patek Philippe Yellow Gold World Time Watch Ref. 5110, with Original Box and Papers - The Keystone Watches

Patek Philippe Yellow Gold World Time Watch Ref. 5110, with Original Box and Papers

Patek Philippe Yellow Gold World Time Watch Ref. 5110, with Original Box and Papers

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Rolex - Rolex Yellow Gold Day-Date II Baguette Diamond Watch Ref. 218398 - The Keystone Watches

Rolex Yellow Gold Day-Date II Baguette Diamond Watch Ref. 218398

Rolex Yellow Gold Day-Date II Baguette Diamond Watch Ref. 218398

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A. Lange & Sohne - A. Lange & Sohne White Gold Langematik Perpetual Watch Ref. 310.026 - The Keystone Watches

A. Lange & Sohne White Gold Langematik Perpetual Watch Ref. 310.026

A. Lange & Sohne White Gold Langematik Perpetual Watch Ref. 310.026

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A. Lange & Sohne - A. Lange & Sohne Platinum Cabaret Tourbillon Watch - The Keystone Watches

A. Lange & Sohne Platinum Cabaret Tourbillon Watch

A. Lange & Sohne Platinum Cabaret Tourbillon Watch

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Patek Philippe - Patek Philippe White Gold Annual Calendar Chronograph Watch Ref. 5960 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Chronograph Watch Ref. 5960

Patek Philippe White Gold Annual Calendar Chronograph Watch Ref. 5960

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Patek Philippe - Patek Philippe Rose Gold Perpetual Chronograph Split Seconds Watch Ref. 5204 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Chronograph Split Seconds Watch Ref. 5204

Patek Philippe Rose Gold Perpetual Chronograph Split Seconds Watch Ref. 5204

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Patek Philippe - Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5036 - The Keystone Watches

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5036

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5036

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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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Audemars Piguet - Audemars Piguet Royal Oak Platinum Skeletonized Tourbillon Watch Ref. 26511 - The Keystone Watches

Audemars Piguet Royal Oak Platinum Skeletonized Tourbillon Watch Ref. 26511

Audemars Piguet Royal Oak Platinum Skeletonized Tourbillon Watch Ref. 26511

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Patek Philippe - Patek Philippe Aquanaut Travel Time Watch Ref. 5164 - The Keystone Watches

Patek Philippe Aquanaut Travel Time Watch Ref. 5164

Patek Philippe Aquanaut Travel Time Watch Ref. 5164

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Richard Mille - Richard Mille Carbon Yas Marina Circuit Watch Ref. RM055 - The Keystone Watches

Richard Mille Carbon Yas Marina Circuit Watch Ref. RM055

Richard Mille Carbon Yas Marina Circuit Watch Ref. RM055

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

Rolex White Gold Cosmograph Daytona Watch Ref. 116519

Rolex White Gold Cosmograph Daytona Watch Ref. 116519

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Patek Philippe - Patek Philippe Platinum Annual Calendar Watch Ref. 5035 - The Keystone Watches

Patek Philippe Platinum Annual Calendar Watch Ref. 5035

Patek Philippe Platinum Annual Calendar Watch Ref. 5035

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Patek Philippe - Patek Philippe White Gold Annual Calendar Tiffany & Co. Watch Ref. 5396 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Tiffany & Co. Watch Ref. 5396

Patek Philippe White Gold Annual Calendar Tiffany & Co. Watch Ref. 5396

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Audemars Piguet - Audemars Piguet Royal Oak Chronograph Vampire Watch - The Keystone Watches

Audemars Piguet Royal Oak Chronograph Vampire Watch

Audemars Piguet Royal Oak Chronograph Vampire Watch

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Audemars Piguet - Audemars Piguet Black Ceramic Royal Oak Perpetual Calendar Watch - The Keystone Watches

Audemars Piguet Black Ceramic Royal Oak Perpetual Calendar Watch

Audemars Piguet Black Ceramic Royal Oak Perpetual Calendar Watch

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Rolex - Rolex Rose Gold Yacht-Master Rainbow Watch Ref. 116695 - The Keystone Watches

Rolex Rose Gold Yacht-Master Rainbow Watch Ref. 116695

Rolex Rose Gold Yacht-Master Rainbow Watch Ref. 116695

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FP Journe - F.P. Journe Steel End of 38mm Five Watch Set from 2015 - The Keystone Watches

F.P. Journe Steel End of 38mm Five Watch Set from 2015

F.P. Journe Steel End of 38mm Five Watch Set from 2015

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Patek Philippe - Patek Philippe White Gold Nautilus Perpetual Calendar Watch Ref. 5740 - The Keystone Watches

Patek Philippe White Gold Nautilus Perpetual Calendar Watch Ref. 5740

Patek Philippe White Gold Nautilus Perpetual Calendar Watch Ref. 5740

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Rolex - Rolex Yellow Gold GMT-Master II Sapphire Ruby Diamond Watch Ref. 116758 - The Keystone Watches

Rolex Yellow Gold GMT-Master II Sapphire Ruby Diamond Watch Ref. 116758

Rolex Yellow Gold GMT-Master II Sapphire Ruby Diamond Watch Ref. 116758

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Richard Mille - Richard Mille Extra Flat Automatic Skeleton Green Van Niekerk Watch Ref. RM67-02 - The Keystone Watches

Richard Mille Extra Flat Automatic Skeleton Green Van Niekerk Watch Ref. RM67-02

Richard Mille Extra Flat Automatic Skeleton Green Van Niekerk Watch Ref. RM67-02

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Rolex - Rolex White Gold Cosmograph Daytona Rainbow Watch Ref. 116599 - The Keystone Watches

Rolex White Gold Cosmograph Daytona Rainbow Watch Ref. 116599

Rolex White Gold Cosmograph Daytona Rainbow Watch Ref. 116599

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Rolex - Rolex Explorer I Watch Ref. 14270 with Original Papers - The Keystone Watches

Rolex Explorer I Watch Ref. 14270 with Original Papers

Rolex Explorer I Watch Ref. 14270 with Original Papers

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 5153 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 5153

Patek Philippe Yellow Gold Calatrava Watch Ref. 5153

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FP Journe - F.P. Journe Octa Sport S Indy 500 Watch, with Original Box and Papers - The Keystone Watches

F.P. Journe Octa Sport S Indy 500 Watch, with Original Box and Papers

F.P. Journe Octa Sport S Indy 500 Watch, with Original Box and Papers

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Patek Philippe - Patek Philippe Rose Gold Sky Moon Celestial Watch Ref. 6102 - The Keystone Watches

Patek Philippe Rose Gold Sky Moon Celestial Watch Ref. 6102

Patek Philippe Rose Gold Sky Moon Celestial Watch Ref. 6102

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Audemars Piguet - Audemars Piguet Royal Oak Forged Carbon Offshore Watch Ref. 26400 - The Keystone Watches

Audemars Piguet Royal Oak Forged Carbon Offshore Watch Ref. 26400

Audemars Piguet Royal Oak Forged Carbon Offshore Watch Ref. 26400

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New Arrivals Preview
 
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
 
Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

$8,750 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
 
Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

$23,500 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
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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