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Audemars Piguet Two-Tone Royal Oak Ref. 56303 Very Nice Condition

Audemars Piguet Two-Tone Royal Oak Ref. 56303 Very Nice Condition

Audemars Piguet Two-Tone Royal Oak Ref. 56303 Very Nice Condition

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Patek Philippe - Patek Philippe Yellow Gold Aquanaut Watch Ref. 5066 (New Arrival) - The Keystone Watches

Patek Philippe Yellow Gold Aquanaut Watch Ref. 5066 (New Arrival)

Patek Philippe Yellow Gold Aquanaut Watch Ref. 5066 (New Arrival)

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Ref. 56303 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Ref. 56303

Audemars Piguet Yellow Gold Royal Oak Ref. 56303

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Audemars Piguet Steel Royal Oak Ref. 14790 with Tropical Dial

Audemars Piguet Steel Royal Oak Ref. 14790 with Tropical Dial

Audemars Piguet Steel Royal Oak Ref. 14790 with Tropical Dial

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Gerald Genta Steel Retro Ref. G3636 Golf Ball and MOP Watch

Gerald Genta Steel Retro Ref. G3636 Golf Ball and MOP Watch

Gerald Genta Steel Retro Ref. G3636 Golf Ball and MOP Watch

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Audemars Piguet Yellow Gold Onyx & Lapis Ref. 14743

Audemars Piguet Yellow Gold Onyx & Lapis Ref. 14743

Audemars Piguet Yellow Gold Onyx & Lapis Ref. 14743

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Patek Philippe Yellow Gold Jumbo Automatic Golden Circle Ref. 3585 in New Old Stock Condition

Patek Philippe Yellow Gold Jumbo Automatic Golden Circle Ref. 3585 in New Old Stock Condition

Patek Philippe Yellow Gold Jumbo Automatic Golden Circle Ref. 3585 in New Old Stock Condition

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Rolex - Rolex White Gold Day Date Ref. 118239 in Like New Condition - The Keystone Watches

Rolex White Gold Day Date Ref. 118239 in Like New Condition

Rolex White Gold Day Date Ref. 118239 in Like New Condition

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Vacheron Constantin - Vacheron Constantin White Gold Watch ref. 2019 - The Keystone Watches

Vacheron Constantin White Gold Watch ref. 2019

Vacheron Constantin White Gold Watch ref. 2019

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Cartier - Cartier Yellow Gold Ceinture Onyx & Diamond Watch - The Keystone Watches

Cartier Yellow Gold Ceinture Onyx & Diamond Watch

Cartier Yellow Gold Ceinture Onyx & Diamond Watch

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Omega Yellow Gold Vintage De Ville Bracelet Watch

Omega Yellow Gold Vintage De Ville Bracelet Watch

Omega Yellow Gold Vintage De Ville Bracelet Watch

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Rolex Yellow Gold Metropolitan Disco Volante Watch Ref 9919/8

Rolex Yellow Gold Metropolitan Disco Volante Watch Ref 9919/8

Rolex Yellow Gold Metropolitan Disco Volante Watch Ref 9919/8

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Patek Philippe Rose Gold Calatrava Watch Ref. 2449

Patek Philippe Rose Gold Calatrava Watch Ref. 2449

Patek Philippe Rose Gold Calatrava Watch Ref. 2449

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Audemars Piguet Vintage Yellow Gold Perpetual Calendar Ref. 25657BA

Audemars Piguet Vintage Yellow Gold Perpetual Calendar Ref. 25657BA

Audemars Piguet Vintage Yellow Gold Perpetual Calendar Ref. 25657BA

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Bulgari - Bulgari Tricolor Farfalla Gold Vintage Watch Ref BJ04 - The Keystone Watches

Bulgari Tricolor Farfalla Gold Vintage Watch Ref BJ04

Bulgari Tricolor Farfalla Gold Vintage Watch Ref BJ04

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Cartier Yellow Gold Tank Obus Ref. 1630

Cartier Yellow Gold Tank Obus Ref. 1630

Cartier Yellow Gold Tank Obus Ref. 1630

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5040 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5040

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5040

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Rolex Yellow Gold Cellini on Bracelet all Original 4311/8

Rolex Yellow Gold Cellini on Bracelet all Original 4311/8

Rolex Yellow Gold Cellini on Bracelet all Original 4311/8

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Rolex - Rolex White Gold Day Date Ref. 128239 with Rainbow Markers - The Keystone Watches

Rolex White Gold Day Date Ref. 128239 with Rainbow Markers

Rolex White Gold Day Date Ref. 128239 with Rainbow Markers

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Audemars Piguet - Audemars Piguet White Gold Vinage Ellipse with Pave and Sapphire Dial Ref. 56455BC - The Keystone Watches

Audemars Piguet White Gold Vinage Ellipse with Pave and Sapphire Dial Ref. 56455BC

Audemars Piguet White Gold Vinage Ellipse with Pave and Sapphire Dial Ref. 56455BC

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Rolex - Rolex Steel Submariner Ref. 16610 in Like New Condition - The Keystone Watches

Rolex Steel Submariner Ref. 16610 in Like New Condition

Rolex Steel Submariner Ref. 16610 in Like New Condition

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Gerald Genta - Gerald Genta Yellow Gold Octo Perpetual with Obsidian and Lapis Dial Ref. 2840.4 - The Keystone Watches

Gerald Genta Yellow Gold Octo Perpetual with Obsidian and Lapis Dial Ref. 2840.4

Gerald Genta Yellow Gold Octo Perpetual with Obsidian and Lapis Dial Ref. 2840.4

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Gerald Genta - Gerald Genta Steel Mickey Mouse Fantasy Retro M.10 with Guilloche MOP Dial - The Keystone Watches

Gerald Genta Steel Mickey Mouse Fantasy Retro M.10 with Guilloche MOP Dial

Gerald Genta Steel Mickey Mouse Fantasy Retro M.10 with Guilloche MOP Dial

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Rolex Yellow Gold Vintage Cellini Mother of Pearl Dial Ref. 2708

Rolex Yellow Gold Vintage Cellini Mother of Pearl Dial Ref. 2708

Rolex Yellow Gold Vintage Cellini Mother of Pearl Dial Ref. 2708

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Cartier - Cartier White Gold Monopoussir Chronograph Watch Ref. 2396 (New Arrival) - The Keystone Watches

Cartier White Gold Monopoussir Chronograph Watch Ref. 2396 (New Arrival)

Cartier White Gold Monopoussir Chronograph Watch Ref. 2396 (New Arrival)

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 4700 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 4700

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 4700

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Cartier - Cartier Yellow Gold Santos Dumont Ref. 96053 - The Keystone Watches

Cartier Yellow Gold Santos Dumont Ref. 96053

Cartier Yellow Gold Santos Dumont Ref. 96053

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Audemars Piguet - Audemars Piguet Yellow Gold Vintage Royal Oak Perpetual Ref. 25654BA - The Keystone Watches

Audemars Piguet Yellow Gold Vintage Royal Oak Perpetual Ref. 25654BA

Audemars Piguet Yellow Gold Vintage Royal Oak Perpetual Ref. 25654BA

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Omega Vintage Yellow Gold Ladies Watch Ref. 3417.17.37

Omega Vintage Yellow Gold Ladies Watch Ref. 3417.17.37

Omega Vintage Yellow Gold Ladies Watch Ref. 3417.17.37

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Audemars Piguet - Audemars Piguet White Gold Cobra Strap Watch - The Keystone Watches

Audemars Piguet White Gold Cobra Strap Watch

Audemars Piguet White Gold Cobra Strap Watch

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Rolex Yellow Gold Day Date Ref. 118238 with Tropical Dial

Rolex Yellow Gold Day Date Ref. 118238 with Tropical Dial

Rolex Yellow Gold Day Date Ref. 118238 with Tropical Dial

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Audemars Piguet Steel Royal Oak Steel Ref. 56023ST Tropical Dial

Audemars Piguet Steel Royal Oak Steel Ref. 56023ST Tropical Dial

Audemars Piguet Steel Royal Oak Steel Ref. 56023ST Tropical Dial

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Rolex GMT Master II Ref. 16710 Pepsi M serial Cal 3186

Rolex GMT Master II Ref. 16710 Pepsi M serial Cal 3186

Rolex GMT Master II Ref. 16710 Pepsi M serial Cal 3186

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Audemars Piguet - Audemars Piguet Steel Royal Oak Watch, Retailed by Tiffany & Co. - The Keystone Watches

Audemars Piguet Steel Royal Oak Watch, Retailed by Tiffany & Co.

Audemars Piguet Steel Royal Oak Watch, Retailed by Tiffany & Co.

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Audemars Piguet Steel Transitional Jumbo Royal Oak Ref. 5402 Rare No Serial Watch

Audemars Piguet Steel Transitional Jumbo Royal Oak Ref. 5402 Rare No Serial Watch

Audemars Piguet Steel Transitional Jumbo Royal Oak Ref. 5402 Rare No Serial Watch

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Audemars Piguet Royal Oak Ref. 5402 A-Series

Audemars Piguet Royal Oak Ref. 5402 A-Series

Audemars Piguet Royal Oak Ref. 5402 A-Series

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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.

Stay in touch.

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