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Audemars Piguet - Audemars Piguet Ladies Steel Royal Oak Offshore Ref. 29290ST - The Keystone Watches

Audemars Piguet Ladies Steel Royal Oak Offshore Ref. 29290ST

Audemars Piguet Ladies Steel Royal Oak Offshore Ref. 29290ST

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Rolex Steel Explorer Watch Ref. 14270 with Tritium Dial and Original Papers

Rolex Steel Explorer Watch Ref. 14270 with Tritium Dial and Original Papers

Rolex Steel Explorer Watch Ref. 14270 with Tritium Dial and Original Papers

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Vacheron Constantin - Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL) - The Keystone Watches

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

$155,000 USD
 
Audemars Piguet - Audemars Piguet Yellow Gold Octagonal Automatic Watch - The Keystone Watches

Audemars Piguet Yellow Gold Octagonal Automatic Watch

Audemars Piguet Yellow Gold Octagonal Automatic Watch

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Vacheron Constantin White Gold Phidias Ref. 48010 with Pave Diamond Dial

Vacheron Constantin White Gold Phidias Ref. 48010 with Pave Diamond Dial

Vacheron Constantin White Gold Phidias Ref. 48010 with Pave Diamond Dial

$18,500 USD
 
Audemars Piguet - Audemars Piguet Yellow Gold Skeleton Automatic Watch Ref. 5442 - The Keystone Watches

Audemars Piguet Yellow Gold Skeleton Automatic Watch Ref. 5442

Audemars Piguet Yellow Gold Skeleton Automatic Watch Ref. 5442

$19,750 USD
 
Patek Philippe - Patek Philippe Platinum Calatrava Watch Ref. 5196 - The Keystone Watches

Patek Philippe Platinum Calatrava Watch Ref. 5196

Patek Philippe Platinum Calatrava Watch Ref. 5196

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Patek Philippe White Gold Calatrava Officers Watch Ref. 4860

Patek Philippe White Gold Calatrava Officers Watch Ref. 4860

Patek Philippe White Gold Calatrava Officers Watch Ref. 4860

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Patek Philippe Platinum Gondolo Watch Ref. 5098

Patek Philippe Platinum Gondolo Watch Ref. 5098

Patek Philippe Platinum Gondolo Watch Ref. 5098

Sold Out

 
Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

Sold Out

 
Cartier - Cartier Two-Tone Santos Automatic Ref. 2961 - The Keystone Watches

Cartier Two-Tone Santos Automatic Ref. 2961

Cartier Two-Tone Santos Automatic Ref. 2961

$5,750 USD
 
Patek Philippe - Patek Philippe White Gold Ellipse Watch Ref. 3589 - The Keystone Watches

Patek Philippe White Gold Ellipse Watch Ref. 3589

Patek Philippe White Gold Ellipse Watch Ref. 3589

$14,500 USD
 
Rolex Yellow Gold Day-Date Ref. 18238 with L Serial in Nice Condition (New Arrival)

Rolex Yellow Gold Day-Date Ref. 18238 with L Serial in Nice Condition (New Arrival)

Rolex Yellow Gold Day-Date Ref. 18238 with L Serial in Nice Condition (New Arrival)

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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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Patek Philippe Steel Aquanaut Ref. 5066

Patek Philippe Steel Aquanaut Ref. 5066

Patek Philippe Steel Aquanaut Ref. 5066

$39,000 USD
 
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

Sold Out

 
Ulysse Nardin - Ulysse Nardin Yellow Gold San Marco Enamel Watch Ref. 131-77-9 - The Keystone Watches

Ulysse Nardin Yellow Gold San Marco Enamel Watch Ref. 131-77-9

Ulysse Nardin Yellow Gold San Marco Enamel Watch Ref. 131-77-9

$16,000 USD
 
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

$29,000 USD
 
Audemars Piguet - Audemars Piguet White Gold Diamond Skeleton Birds Watch - The Keystone Watches

Audemars Piguet White Gold Diamond Skeleton Birds Watch

Audemars Piguet White Gold Diamond Skeleton Birds Watch

$45,000 USD
 
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

$22,000 USD
 
Rolex Yellow Gold Oversized Precision Ref. 4536

Rolex Yellow Gold Oversized Precision Ref. 4536

Rolex Yellow Gold Oversized Precision Ref. 4536

$11,000 USD
 
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

Sold Out

 
Rolex Grasshopper Steel Watch Ref. 4367

Rolex Grasshopper Steel Watch Ref. 4367

Rolex Grasshopper Steel Watch Ref. 4367

$12,500 USD
 
Rolex - Rolex Yellow Gold Metropolitan Disco Volante Watch Ref 9919/8 - The Keystone Watches

Rolex Yellow Gold Metropolitan Disco Volante Watch Ref 9919/8

Rolex Yellow Gold Metropolitan Disco Volante Watch Ref 9919/8

$8,900 USD
 
Rolex White Gold Day Date Ref. 18049 in Top Condition

Rolex White Gold Day Date Ref. 18049 in Top Condition

Rolex White Gold Day Date Ref. 18049 in Top Condition

$20,000 USD
 
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

Sold Out

 
Piaget - Piaget Ladies White Gold Lapis Diamond Bracelet Watch - The Keystone Watches

Piaget Ladies White Gold Lapis Diamond Bracelet Watch

Piaget Ladies White Gold Lapis Diamond Bracelet Watch

$12,000 USD
 
Cartier Yellow Gold Tank Obus Ref. 1630

Cartier Yellow Gold Tank Obus Ref. 1630

Cartier Yellow Gold Tank Obus Ref. 1630

Sold Out

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New Arrivals Preview
 
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
 
Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

$8,750 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
 
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
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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