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Patek Philippe - Patek Philippe Platinum Annual Calender Chronograph Watch Ref. 5905 - The Keystone Watches

Patek Philippe Platinum Annual Calender Chronograph Watch Ref. 5905

Patek Philippe Platinum Annual Calender Chronograph Watch Ref. 5905

Sold Out

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

Patek Philippe Nautilus Moonphase Watch Ref. 5712

Patek Philippe Nautilus Moonphase Watch Ref. 5712

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Rolex - Rolex Yellow Gold Cosmograph Daytona Zenith Watch Ref. 16528 - The Keystone Watches

Rolex Yellow Gold Cosmograph Daytona Zenith Watch Ref. 16528

Rolex Yellow Gold Cosmograph Daytona Zenith Watch Ref. 16528

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Patek Philippe - Patek Philippe Stainless Steel Automatic Bracelet Watch Ref. 3580 - The Keystone Watches

Patek Philippe Stainless Steel Automatic Bracelet Watch Ref. 3580

Patek Philippe Stainless Steel Automatic Bracelet Watch Ref. 3580

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Rolex - Rolex Cellini Yellow Gold with Sapphire Bezen and Diamond Dial Ref. 5019/8 - The Keystone Watches

Rolex Cellini Yellow Gold with Sapphire Bezen and Diamond Dial Ref. 5019/8

Rolex Cellini Yellow Gold with Sapphire Bezen and Diamond Dial Ref. 5019/8

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 3970 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 3970

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 3970

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Patek Philippe - Patek Philippe White Gold Celestial Ref. 5102 - The Keystone Watches

Patek Philippe White Gold Celestial Ref. 5102

Patek Philippe White Gold Celestial Ref. 5102

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Rolex - Rolex Day-Date White Gold with Baguette Bezel and Pave Dial Ref. 218399BR - The Keystone Watches

Rolex Day-Date White Gold with Baguette Bezel and Pave Dial Ref. 218399BR

Rolex Day-Date White Gold with Baguette Bezel and Pave Dial Ref. 218399BR

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Patek Philippe - Patek Philippe Rose Gold Calatrava Watch Ref. 5119 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Watch Ref. 5119

Patek Philippe Rose Gold Calatrava Watch Ref. 5119

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Patek Philippe - Patek Philippe Stainless Steel Nautilus Watch Ref. 5711/1A - The Keystone Watches

Patek Philippe Stainless Steel Nautilus Watch Ref. 5711/1A

Patek Philippe Stainless Steel Nautilus Watch Ref. 5711/1A

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Vacheron Constantin - Vacheron Constantin Yellow Gold Power Reserve Jubilee Watch Ref. 85250 - The Keystone Watches

Vacheron Constantin Yellow Gold Power Reserve Jubilee Watch Ref. 85250

Vacheron Constantin Yellow Gold Power Reserve Jubilee Watch Ref. 85250

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Girard Perregaux - Girard Perregaux Platinum Triple Bridge Skeleton Diamond Tourbillon - The Keystone Watches

Girard Perregaux Platinum Triple Bridge Skeleton Diamond Tourbillon

Girard Perregaux Platinum Triple Bridge Skeleton Diamond Tourbillon

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Original Box and Papers - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Original Box and Papers

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Original Box and Papers

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Cartier - Cartier White Gold Ballon Bleu Diamond Watch - The Keystone Watches

Cartier White Gold Ballon Bleu Diamond Watch

Cartier White Gold Ballon Bleu Diamond Watch

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Breguet - Breguet Yellow Gold Tradition Skeleton Watch Ref. 7027 - The Keystone Watches

Breguet Yellow Gold Tradition Skeleton Watch Ref. 7027

Breguet Yellow Gold Tradition Skeleton Watch Ref. 7027

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

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940

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Rolex - Rolex Two Tone Cosmograph Daytona Watch Ref. 116523 - The Keystone Watches

Rolex Two Tone Cosmograph Daytona Watch Ref. 116523

Rolex Two Tone Cosmograph Daytona Watch Ref. 116523

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Glashutte - Glashutte Rose Gold Senator Panorama Watch - The Keystone Watches

Glashutte Rose Gold Senator Panorama Watch

Glashutte Rose Gold Senator Panorama Watch

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Glashutte - Glashutte Original Senator Panorama Date Moonphase Watch - The Keystone Watches

Glashutte Original Senator Panorama Date Moonphase Watch

Glashutte Original Senator Panorama Date Moonphase Watch

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Glashutte - Glashutte Senator Perpetual Calendar Automatic Watch - The Keystone Watches

Glashutte Senator Perpetual Calendar Automatic Watch

Glashutte Senator Perpetual Calendar Automatic Watch

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Glashutte - Glashutte Senator Perpetual Calendar Automatic Watch - The Keystone Watches

Glashutte Senator Perpetual Calendar Automatic Watch

Glashutte Senator Perpetual Calendar Automatic Watch

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FP Journe - F.P. Journe Platinum Chronometre Souverain Watch - The Keystone Watches

F.P. Journe Platinum Chronometre Souverain Watch

F.P. Journe Platinum Chronometre Souverain 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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