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Patek Philippe - Patek Philippe White Gold World Time Watch Ref. 5230 - The Keystone Watches

Patek Philippe White Gold World Time Watch Ref. 5230

Patek Philippe White Gold World Time Watch Ref. 5230

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Patek Philippe - Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235G - The Keystone Watches

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235G

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235G

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Rolex - Rolex Stainless Steel Red Submariner Watch Ref. 1680 - The Keystone Watches

Rolex Stainless Steel Red Submariner Watch Ref. 1680

Rolex Stainless Steel Red Submariner Watch Ref. 1680

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Rolex - Rolex Yellow Gold Daytona Black Diamond Watch Ref. 16528 - The Keystone Watches

Rolex Yellow Gold Daytona Black Diamond Watch Ref. 16528

Rolex Yellow Gold Daytona Black Diamond Watch Ref. 16528

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Rolex - Rolex Stainless Steel Date Ref. 1500 with Original Papers - The Keystone Watches

Rolex Stainless Steel Date Ref. 1500 with Original Papers

Rolex Stainless Steel Date Ref. 1500 with Original Papers

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Patek Philippe - Patek Philippe Rose Gold 10-Day Power Reserve Watch Ref. 5100R - The Keystone Watches

Patek Philippe Rose Gold 10-Day Power Reserve Watch Ref. 5100R

Patek Philippe Rose Gold 10-Day Power Reserve Watch Ref. 5100R

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Rolex - Vintage Rolex Chronograph Pre-Daytona Watch Ref. 6238 - The Keystone Watches

Vintage Rolex Chronograph Pre-Daytona Watch Ref. 6238

Vintage Rolex Chronograph Pre-Daytona Watch Ref. 6238

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Vacheron Constantin - Vacheron Constantin Stainless Steel Automatic Strap Watch Ref. 7592 - The Keystone Watches

Vacheron Constantin Stainless Steel Automatic Strap Watch Ref. 7592

Vacheron Constantin Stainless Steel Automatic Strap Watch Ref. 7592

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Patek Philippe - Patek Philippe Steel Calatrava Ref. 3509 with Box and Papers - The Keystone Watches

Patek Philippe Steel Calatrava Ref. 3509 with Box and Papers

Patek Philippe Steel Calatrava Ref. 3509 with Box and Papers

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

Patek Philippe Platinum Perpetual Calendar Chrono Watch Ref. 5970P

Patek Philippe Platinum Perpetual Calendar Chrono Watch Ref. 5970P

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Patek Philippe - Patek Philippe Stainless Steel Calatrava Watch Ref. 3466 - The Keystone Watches

Patek Philippe Stainless Steel Calatrava Watch Ref. 3466

Patek Philippe Stainless Steel Calatrava Watch Ref. 3466

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140

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Rolex - Rolex Submariner Stainless Steel Ref. 16800 - The Keystone Watches

Rolex Submariner Stainless Steel Ref. 16800

Rolex Submariner Stainless Steel Ref. 16800

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 3945 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 3945

Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 3945

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Rolex - Rolex R-Series Explorer Stainless Steel Ref. 1016 - The Keystone Watches

Rolex R-Series Explorer Stainless Steel Ref. 1016

Rolex R-Series Explorer Stainless Steel Ref. 1016

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

Rolex Steel GMT-Master Watch Ref. 16750

Rolex Steel GMT-Master Watch Ref. 16750

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Rolex - Rolex Explorer R-Series Watch Ref. 1016 with Paper - The Keystone Watches

Rolex Explorer R-Series Watch Ref. 1016 with Paper

Rolex Explorer R-Series Watch Ref. 1016 with Paper

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Patek Philippe - Patek Philippe Yellow Gold 2nd Series Perpetual Calendar Chrono Watch Ref. 3970 - The Keystone Watches

Patek Philippe Yellow Gold 2nd Series Perpetual Calendar Chrono Watch Ref. 3970

Patek Philippe Yellow Gold 2nd Series Perpetual Calendar Chrono Watch Ref. 3970

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Patek Philippe - Patek Philippe Two-Tone Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Two-Tone Nautilus Watch Ref. 3800

Patek Philippe Two-Tone Nautilus Watch Ref. 3800

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chrono Baguette Watch Ref. 3990 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chrono Baguette Watch Ref. 3990

Patek Philippe Yellow Gold Perpetual Calendar Chrono Baguette Watch Ref. 3990

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013

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Patek Philippe - Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204 - The Keystone Watches

Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204

Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204

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A. Lange & Sohne - A. Lange & Sohne Platinum Datograph Baguette Diamond Up Down Watch Ref. 405.835 - The Keystone Watches

A. Lange & Sohne Platinum Datograph Baguette Diamond Up Down Watch Ref. 405.835

A. Lange & Sohne Platinum Datograph Baguette Diamond Up Down Watch Ref. 405.835

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A. Lange & Sohne - A. Lange & Sohne Rose Gold Saxonia Watch Ref. 216.033 - The Keystone Watches

A. Lange & Sohne Rose Gold Saxonia Watch Ref. 216.033

A. Lange & Sohne Rose Gold Saxonia Watch Ref. 216.033

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Audemars Piguet - Audemars Piguet Royal Oak Chronograph City of Sails Watch Ref. 25979 - The Keystone Watches

Audemars Piguet Royal Oak Chronograph City of Sails Watch Ref. 25979

Audemars Piguet Royal Oak Chronograph City of Sails Watch Ref. 25979

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Omega - Omega Stainless Steel Speedmaster Watch Ref. 145.022 - The Keystone Watches

Omega Stainless Steel Speedmaster Watch Ref. 145.022

Omega Stainless Steel Speedmaster Watch Ref. 145.022

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Rolex - Rolex Stainless Steel Submariner Ref. 5513 - The Keystone Watches

Rolex Stainless Steel Submariner Ref. 5513

Rolex Stainless Steel Submariner Ref. 5513

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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Lange 1 Watch Ref. 101.021 - The Keystone Watches

A. Lange & Sohne Yellow Gold Lange 1 Watch Ref. 101.021

A. Lange & Sohne Yellow Gold Lange 1 Watch Ref. 101.021

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Rolex - Rolex Yellow Gold Submariner Watch Ref. 16618 - The Keystone Watches

Rolex Yellow Gold Submariner Watch Ref. 16618

Rolex Yellow Gold Submariner Watch Ref. 16618

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Heuer - Heuer Autavia Automatic Watch Ref. 1163V - The Keystone Watches

Heuer Autavia Automatic Watch Ref. 1163V

Heuer Autavia Automatic Watch Ref. 1163V

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Rolex - Rolex Steel Explorer Gilt Chapter Ring Watch Ref. 1016 - The Keystone Watches

Rolex Steel Explorer Gilt Chapter Ring Watch Ref. 1016

Rolex Steel Explorer Gilt Chapter Ring Watch Ref. 1016

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Heuer - Heuer Olive Green Chonograph PVD Ref. 510.502 - The Keystone Watches

Heuer Olive Green Chonograph PVD Ref. 510.502

Heuer Olive Green Chonograph PVD Ref. 510.502

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Watch Ref. 5035R - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5035R

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5035R

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Rolex - Rolex Two-Tone GMT-Master II Root Beer Watch Ref. 16713 - The Keystone Watches

Rolex Two-Tone GMT-Master II Root Beer Watch Ref. 16713

Rolex Two-Tone GMT-Master II Root Beer Watch Ref. 16713

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

Patek Philippe Rose Gold Perpetual Calendar Chrono Watch Ref. 5970

Patek Philippe Rose Gold Perpetual Calendar Chrono Watch Ref. 5970

Sold Out

 
Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 570 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 570

Patek Philippe White Gold Calatrava Watch Ref. 570

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New Arrivals Preview
 
Piaget Yellow Gold Polo Watch Ref. 7661C with Original Diamonds (New Arrival)

Piaget Yellow Gold Polo Watch Ref. 7661C with Original Diamonds (New Arrival)

Piaget Yellow Gold Polo Watch Ref. 7661C with Original Diamonds (New Arrival)

$22,000 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
 
Vacheron Constantin Rose Gold Watch with Pink Dial (New Arrival)

Vacheron Constantin Rose Gold Watch with Pink Dial (New Arrival)

Vacheron Constantin Rose Gold Watch with Pink Dial (New Arrival)

$8,000 USD
 
Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 (New Arrival)

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 (New Arrival)

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 (New Arrival)

$78,000 USD
 
Patek Philippe Yellow Gold Pocket Watch Ref 770 Retailed by Gubelin (New Arrival)

Patek Philippe Yellow Gold Pocket Watch Ref 770 Retailed by Gubelin (New Arrival)

Patek Philippe Yellow Gold Pocket Watch Ref 770 Retailed by Gubelin (New Arrival)

$7,800 USD
 
Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

$9,500 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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