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A. Lange & Sohne - A. Lange & Sohne Rose Gold Saxonia Watch Ref. 219.032 - The Keystone Watches

A. Lange & Sohne Rose Gold Saxonia Watch Ref. 219.032

A. Lange & Sohne Rose Gold Saxonia Watch Ref. 219.032

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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 Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

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Rolex - Rolex Yellow Gold Day-Date Full Diamond Watch Ref. 118388 - The Keystone Watches

Rolex Yellow Gold Day-Date Full Diamond Watch Ref. 118388

Rolex Yellow Gold Day-Date Full Diamond Watch Ref. 118388

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

Rolex White Gold Day-Date Watch Ref. 1803

Rolex White Gold Day-Date Watch Ref. 1803

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

Patek Philippe White Gold Annual Calendar Watch Ref. 5036

Patek Philippe White Gold Annual Calendar Watch Ref. 5036

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

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Patek Philippe - Patek Philippe Steel Nautilus Watch Ref. 3800/1A with Original Paper - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 3800/1A with Original Paper

Patek Philippe Steel Nautilus Watch Ref. 3800/1A with Original Paper

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

Audemars Piguet White Gold Ultra-Thin Strap Watch

Audemars Piguet White Gold Ultra-Thin Strap Watch

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

Audemars Piguet White Gold Ultra-Thin Strap Watch

Audemars Piguet White Gold Ultra-Thin Strap Watch

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Audemars Piguet - Audemars Piguet Steel Cushion Shaped Strap Watch with Original Box & Papers - The Keystone Watches

Audemars Piguet Steel Cushion Shaped Strap Watch with Original Box & Papers

Audemars Piguet Steel Cushion Shaped Strap Watch with Original Box & Papers

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 3445G - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 3445G

Patek Philippe White Gold Calatrava Watch Ref. 3445G

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Rolex - Rolex Platinum Day-Date Mother of Pearl Watch Ref. 18206 - The Keystone Watches

Rolex Platinum Day-Date Mother of Pearl Watch Ref. 18206

Rolex Platinum Day-Date Mother of Pearl Watch Ref. 18206

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

Audemars Piguet White Gold Automatic Diamond Watch

Audemars Piguet White Gold Automatic Diamond Watch

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Watch Ref. 14790 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Watch Ref. 14790

Audemars Piguet Yellow Gold Royal Oak Watch Ref. 14790

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Rolex - Rolex Stainless Steel Cosmograph Daytona Watch Ref. 116520 - The Keystone Watches

Rolex Stainless Steel Cosmograph Daytona Watch Ref. 116520

Rolex Stainless Steel Cosmograph Daytona Watch Ref. 116520

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Rolex - Rolex Yellow Gold Daytona Baguette Diamond Watch Ref. 116568 - The Keystone Watches

Rolex Yellow Gold Daytona Baguette Diamond Watch Ref. 116568

Rolex Yellow Gold Daytona Baguette Diamond Watch Ref. 116568

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Patek Philippe - Patek Philippe Two-Tone Rose Gold Nautilus Chronograph Watch Ref. 5980 - The Keystone Watches

Patek Philippe Two-Tone Rose Gold Nautilus Chronograph Watch Ref. 5980

Patek Philippe Two-Tone Rose Gold Nautilus Chronograph Watch Ref. 5980

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

Rolex Stainles Steel Date Watch Ref. 1500

Rolex Stainles Steel Date Watch Ref. 1500

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Audemars Piguet - Audemars Piguet Steel Royal Oak Pictet & Cie Watch - The Keystone Watches

Audemars Piguet Steel Royal Oak Pictet & Cie Watch

Audemars Piguet Steel Royal Oak Pictet & Cie Watch

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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)

$150,000 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.

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