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Omega Steel Speedmaster Ref. CK2998, Blue Limited Edition

Omega Steel Speedmaster Ref. CK2998, Blue Limited Edition

Omega Steel Speedmaster Ref. CK2998, Blue Limited Edition

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3700 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3700

Patek Philippe Yellow Gold Nautilus Watch Ref. 3700

Sold Out

 
Patek Philippe Yellow Gold Neptune Moonphase Power Reserve Ref. 5085

Patek Philippe Yellow Gold Neptune Moonphase Power Reserve Ref. 5085

Patek Philippe Yellow Gold Neptune Moonphase Power Reserve Ref. 5085

Sold Out

 

Audemars Piguet Rose Gold Star Wheel Millenary Watch Ref. 25898

Audemars Piguet Rose Gold Star Wheel Millenary Watch Ref. 25898

$45,000 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Calatrava Watch - The Keystone Watches

Vacheron Constantin Yellow Gold Calatrava Watch

Vacheron Constantin Yellow Gold Calatrava Watch

Sold Out

 
Audemars Piguet - Audemars Piguet Yellow Gold Rectangular Bracelet Watch - The Keystone Watches

Audemars Piguet Yellow Gold Rectangular Bracelet Watch

Audemars Piguet Yellow Gold Rectangular Bracelet Watch

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold World Time Watch Ref. 1415 - The Keystone Watches

Patek Philippe Yellow Gold World Time Watch Ref. 1415

Patek Philippe Yellow Gold World Time Watch Ref. 1415

"Price upon request"
 
Omega - Omega Yellow Gold Vintage Pocket Watch 1182.61 - The Keystone Watches

Omega Yellow Gold Vintage Pocket Watch 1182.61

Omega Yellow Gold Vintage Pocket Watch 1182.61

$6,500 USD
 
Cartier - Cartier Yellow Gold Mini Baignoire on Bracelet Ref. 2960 - The Keystone Watches

Cartier Yellow Gold Mini Baignoire on Bracelet Ref. 2960

Cartier Yellow Gold Mini Baignoire on Bracelet Ref. 2960

Sold Out

 
Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Watch Ref. 56343 with Pave Diamond Dials - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Watch Ref. 56343 with Pave Diamond Dials

Audemars Piguet Yellow Gold Royal Oak Watch Ref. 56343 with Pave Diamond Dials

$63,000 USD
 
Audemars Piguet Royal Oak 56343BC.ZZ.0699BC.04 18k WG Excellent Overall Condition, No Notable Signs of Wear Unisex 18k WG Pave 33 mm Quartz Late 1980s/Early 1990s White Gold (7in) Watch Only

Audemars Piguet White Gold Royal Oak Ref. 56343 with Diamonds, Sapphires and Baguette Diamond

Audemars Piguet White Gold Royal Oak Ref. 56343 with Diamonds, Sapphires and Baguette Diamond

$90,000 USD
 
Rolex - Rolex Yellow Gold Precision Star Dial Watch - The Keystone Watches

Rolex Yellow Gold Precision Star Dial Watch

Rolex Yellow Gold Precision Star Dial Watch

$9,500 USD
 
Audemars Piguet - Audemars Piguet White Gold Square Watch - The Keystone Watches

Audemars Piguet White Gold Square Watch

Audemars Piguet White Gold Square Watch

Sold Out

 
Piaget - Piaget White Gold Ladies Lapis Dial Diamond Bezel Watch Ref. 9338 - The Keystone Watches

Piaget White Gold Ladies Lapis Dial Diamond Bezel Watch Ref. 9338

Piaget White Gold Ladies Lapis Dial Diamond Bezel Watch Ref. 9338

$11,500 USD
 
Rolex - Rolex Steel Oysterquartz Ref. 17000 with Buckley Dial and Hands - The Keystone Watches

Rolex Steel Oysterquartz Ref. 17000 with Buckley Dial and Hands

Rolex Steel Oysterquartz Ref. 17000 with Buckley Dial and Hands

Sold Out

 
Audemars Piguet - Audemars Piguet White Gold Beaded Bracelet Watch - The Keystone Watches

Audemars Piguet White Gold Beaded Bracelet Watch

Audemars Piguet White Gold Beaded Bracelet Watch

Sold Out

 
Audemars Piguet - Audemars Piguet Yellow Gold Automatic Vintage Watch Ref. 1459 - The Keystone Watches

Audemars Piguet Yellow Gold Automatic Vintage Watch Ref. 1459

Audemars Piguet Yellow Gold Automatic Vintage Watch Ref. 1459

$6,000 USD
 
Omega - Omega Steel Seamaster 120 Ref. 535.007 - The Keystone Watches

Omega Steel Seamaster 120 Ref. 535.007

Omega Steel Seamaster 120 Ref. 535.007

Sold Out

 
Cartier White Gold Tortue Ref. WGTO0003 with Original Baguette Diamonds

Cartier White Gold Tortue Ref. WGTO0003 with Original Baguette Diamonds

Cartier White Gold Tortue Ref. WGTO0003 with Original Baguette Diamonds

$55,000 USD
 
Vacheron Constantin - Vacheron Constantin Rose Gold Patrimony Ref. 81180 - The Keystone Watches

Vacheron Constantin Rose Gold Patrimony Ref. 81180

Vacheron Constantin Rose Gold Patrimony Ref. 81180

Sold Out

 

Patek Philippe White Gold Annual Calendar Ref. 5146

Patek Philippe White Gold Annual Calendar Ref. 5146

Sold Out

 
Rolex - Rolex Yellow Gold Day Date Ref. 1803 with Box and Papers - The Keystone Watches

Rolex Yellow Gold Day Date Ref. 1803 with Box and Papers

Rolex Yellow Gold Day Date Ref. 1803 with Box and Papers

Sold Out

 
Cartier - Cartier Yellow Gold Vintage Ladies Tank - The Keystone Watches

Cartier Yellow Gold Vintage Ladies Tank

Cartier Yellow Gold Vintage Ladies Tank

Sold Out

 
Patek Philippe White Gold Annual Calendar Ref. 5146

Patek Philippe White Gold Annual Calendar Ref. 5146

Patek Philippe White Gold Annual Calendar Ref. 5146

$28,500 USD
 
Rolex Rose Gold Daytona Ref. 116505 Sundust Dial

Rolex Rose Gold Daytona Ref. 116505 Sundust Dial

Rolex Rose Gold Daytona Ref. 116505 Sundust Dial

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne White Gold Lange 1 Ref. 101.039 - The Keystone Watches

A. Lange & Sohne White Gold Lange 1 Ref. 101.039

A. Lange & Sohne White Gold Lange 1 Ref. 101.039

Sold Out

 
Vacheron Constantin - Vacheron Constantin Ladies Skeleton Diamond Ref. 43502/1 - The Keystone Watches

Vacheron Constantin Ladies Skeleton Diamond Ref. 43502/1

Vacheron Constantin Ladies Skeleton Diamond Ref. 43502/1

$15,000 USD
 
Patek Philippe - Patek Philippe Yellow Gold Vintage Watch Ref. 3319 Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Yellow Gold Vintage Watch Ref. 3319 Retailed by Tiffany & Co.

Patek Philippe Yellow Gold Vintage Watch Ref. 3319 Retailed by Tiffany & Co.

$10,000 USD
 
Cartier - Cartier Rose Gold Ballon Bleu Ref. W69002Z2 - The Keystone Watches

Cartier Rose Gold Ballon Bleu Ref. W69002Z2

Cartier Rose Gold Ballon Bleu Ref. W69002Z2

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Nautilus Original Diamonds Watch Ref. 3900 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Original Diamonds Watch Ref. 3900

Patek Philippe Yellow Gold Nautilus Original Diamonds Watch Ref. 3900

$68,000 USD
 
Rolex - Rolex Yellow Gold Cellini Watch - The Keystone Watches

Rolex Yellow Gold Cellini Watch

Rolex Yellow Gold Cellini Watch

$5,500 USD
 
Patek Philippe White Gold Ellipse Diamond Ref. 3377

Patek Philippe White Gold Ellipse Diamond Ref. 3377

Patek Philippe White Gold Ellipse Diamond Ref. 3377

Sold Out

 
Rolex Platinum Day Date Ref. 18206 with Punched Warranty Paper

Rolex Platinum Day Date Ref. 18206 with Punched Warranty Paper

Rolex Platinum Day Date Ref. 18206 with Punched Warranty Paper

$29,000 USD
 
Rolex Yellow Gold Diamond Cover Watch

Rolex Yellow Gold Diamond Cover Watch

Rolex Yellow Gold Diamond Cover Watch

$6,000 USD
 
Piaget - Piaget White Gold Dancer Ref. 80131 with Factory Diamonds on Band - The Keystone Watches

Piaget White Gold Dancer Ref. 80131 with Factory Diamonds on Band

Piaget White Gold Dancer Ref. 80131 with Factory Diamonds on Band

$17,000 USD
 
Piaget - Piaget White Pave and Baguette Bezel Watch Ref. 93414A6 - The Keystone Watches

Piaget White Pave and Baguette Bezel Watch Ref. 93414A6

Piaget White Pave and Baguette Bezel Watch Ref. 93414A6

$16,500 USD
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New Arrivals Preview
 
Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

$23,750 USD
 
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
 
Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

$14,500 USD
 
Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

$13,250 USD
 
Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

$16,500 USD
 

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

$17,750 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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