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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

Sold Out

 
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

Sold Out

 
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

Sold Out

 
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

Sold Out

 
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

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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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Omega - Omega Yellow Gold Speedmaster Strap Watch - The Keystone Watches

Omega Yellow Gold Speedmaster Strap Watch

Omega Yellow Gold Speedmaster Strap Watch

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

Vintage Rolex Submariner Stainless Steel Ref. 16800

Vintage Rolex Submariner Stainless Steel Ref. 16800

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940J - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940J

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940J

Sold Out

 
Vacheron Constantin - Vacheron Constantin Yellow Gold Automatic Strap Watch - The Keystone Watches

Vacheron Constantin Yellow Gold Automatic Strap Watch

Vacheron Constantin Yellow Gold Automatic Strap Watch

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Audemars Piguet - Audemars Piguet Royal Oak Steel Watch Ref. 56143 - The Keystone Watches

Audemars Piguet Royal Oak Steel Watch Ref. 56143

Audemars Piguet Royal Oak Steel Watch Ref. 56143

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Patek Philippe - Patek Philippe Rose Gold Calatrava Retailed by Serpico y Laino Ref. 570 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Retailed by Serpico y Laino Ref. 570

Patek Philippe Rose Gold Calatrava Retailed by Serpico y Laino Ref. 570

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Automatic Watch Ref. 3514 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Automatic Watch Ref. 3514

Patek Philippe Yellow Gold Calatrava Automatic Watch Ref. 3514

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Heuer - Heuer Monaco Chronograph Bracelet Watch Ref. 73633 - The Keystone Watches

Heuer Monaco Chronograph Bracelet Watch Ref. 73633

Heuer Monaco Chronograph Bracelet Watch Ref. 73633

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Rolex - Vintage Rolex Yellow Gold Submariner Ref. 16808 - The Keystone Watches

Vintage Rolex Yellow Gold Submariner Ref. 16808

Vintage Rolex Yellow Gold Submariner Ref. 16808

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Rolex - Rolex Stainless Steel Date Watch Ref. 1500 - The Keystone Watches

Rolex Stainless Steel Date Watch Ref. 1500

Rolex Stainless Steel Date Watch Ref. 1500

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Jumbo Ref. 5402 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Jumbo Ref. 5402

Audemars Piguet Yellow Gold Royal Oak Jumbo Ref. 5402

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Vacheron Constantin - Vacheron Constantin Yellow Gold Cioccolato Strap Watch - The Keystone Watches

Vacheron Constantin Yellow Gold Cioccolato Strap Watch

Vacheron Constantin Yellow Gold Cioccolato Strap Watch

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Omega - Omega Speedmaster Professional Tropical Brown Ref. 145.022 - The Keystone Watches

Omega Speedmaster Professional Tropical Brown Ref. 145.022

Omega Speedmaster Professional Tropical Brown Ref. 145.022

Sold Out

 
Breitling - Breitling Stainless Steel Datora Chronograph Watch Ref. 2034 - The Keystone Watches

Breitling Stainless Steel Datora Chronograph Watch Ref. 2034

Breitling Stainless Steel Datora Chronograph Watch Ref. 2034

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Patek Philippe - Patek Philippe White Gold Automatic Watch Ref. 3588/1 with Certificate - The Keystone Watches

Patek Philippe White Gold Automatic Watch Ref. 3588/1 with Certificate

Patek Philippe White Gold Automatic Watch Ref. 3588/1 with Certificate

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Heuer - Heuer Autavia Stainless Steel Automatic Chronograph Ref. 11063 - The Keystone Watches

Heuer Autavia Stainless Steel Automatic Chronograph Ref. 11063

Heuer Autavia Stainless Steel Automatic Chronograph Ref. 11063

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Audemars Piguet - Audemars Piguet John Schaeffer Perpetual Rose Gold on Strap - The Keystone Watches

Audemars Piguet John Schaeffer Perpetual Rose Gold on Strap

Audemars Piguet John Schaeffer Perpetual Rose Gold on Strap

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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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Audemars Piguet - Audemars Piguet Yellow Gold Skeleton Coin Watch - The Keystone Watches

Audemars Piguet Yellow Gold Skeleton Coin Watch

Audemars Piguet Yellow Gold Skeleton Coin Watch

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Longines - Longines Stainless Steel Conquest Strap Watch - The Keystone Watches

Longines Stainless Steel Conquest Strap Watch

Longines Stainless Steel Conquest Strap Watch

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Rolex - Rolex Day-Date Yellow Gold with Blue Vignette and Diamond Dial on Strap - The Keystone Watches

Rolex Day-Date Yellow Gold with Blue Vignette and Diamond Dial on Strap

Rolex Day-Date Yellow Gold with Blue Vignette and Diamond Dial on Strap

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Vacheron Constantin - Vacheron Constantin White Gold Strap Watch Retailed by Turler - The Keystone Watches

Vacheron Constantin White Gold Strap Watch Retailed by Turler

Vacheron Constantin White Gold Strap Watch Retailed by Turler

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New Arrivals Preview
 
Audemars Piguet Yellow Gold Coin Watch (New Arrival)

Audemars Piguet Yellow Gold Coin Watch (New Arrival)

Audemars Piguet Yellow Gold Coin Watch (New Arrival)

$9,500 USD
 
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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