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Rolex Yellow Gold King Midas Ref. 4136 with Lapis Lazuli and Diamond Dial

Rolex Yellow Gold King Midas Ref. 4136 with Lapis Lazuli and Diamond Dial

Sold Out

 

Patek Philippe Rose Gold Calatrava Watch Ref. 1513

Patek Philippe Rose Gold Calatrava Watch Ref. 1513

Sold Out

 

Rolex Platinum Day-Date Ref. 118346

Rolex Platinum Day-Date Ref. 118346

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Rolex Yellow Gold Day-Date 18238 with Baguette Dial

Rolex Yellow Gold Day-Date 18238 with Baguette Dial

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Patek Philippe Yellow Gold World Time Ref. 5110

Patek Philippe Yellow Gold World Time Ref. 5110

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Rolex Day-Date Ref. 18238 with Gold Missoni String Dial

Rolex Day-Date Ref. 18238 with Gold Missoni String Dial

Rolex Day-Date Ref. 18238 with Gold Missoni String Dial

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Patek Philippe Yellow Gold Chronograph Ref. 130 Retailed by Tiffany (Private Sale)

Patek Philippe Yellow Gold Chronograph Ref. 130 Retailed by Tiffany (Private Sale)

"Price upon request"
 

Audemars Piguet Yellow Gold Mini Bamboo (New Arrival)

Audemars Piguet Yellow Gold Mini Bamboo (New Arrival)

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Jumbo Watch Ref. 3700 in New Old Stock Condition - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Jumbo Watch Ref. 3700 in New Old Stock Condition

Patek Philippe Yellow Gold Nautilus Jumbo Watch Ref. 3700 in New Old Stock Condition

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Rolex Yellow Gold Day-Date Ref. 18238 in Top Condition with Paper (New Arrival)

Rolex Yellow Gold Day-Date Ref. 18238 in Top Condition with Paper (New Arrival)

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Rolex Steel Explorer II Ref. 1655 with MK2 Frog Foot Dial (New Arrival)

Rolex Steel Explorer II Ref. 1655 with MK2 Frog Foot Dial (New Arrival)

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Piaget White Gold Bracelet Watch Ref. 9902 with Opal and Pave Diamond Dial

Piaget White Gold Bracelet Watch Ref. 9902 with Opal and Pave Diamond Dial

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Rolex Steel Kermit Submariner Ref. 16610LV in NOS Condition with Y Serial (New Arrival)

Rolex Steel Kermit Submariner Ref. 16610LV in NOS Condition with Y Serial (New Arrival)

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Rolex Steel Pepsi GMT Master Ref. 16700 (New Arrival)

Rolex Steel Pepsi GMT Master Ref. 16700 (New Arrival)

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Rolex GMT-Master Ref. 16710 with Black Bezel (New Arrival)

Rolex GMT-Master Ref. 16710 with Black Bezel (New Arrival)

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Rolex Steel Pepsi GMT-Master Ref. 16710 on Jubilee Bracelet in Top Condition (New Arrival)

Rolex Steel Pepsi GMT-Master Ref. 16710 on Jubilee Bracelet in Top Condition (New Arrival)

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Piaget White Gold Round Watch Ref. 9066 with Opal Dial and Diamonds

Piaget White Gold Round Watch Ref. 9066 with Opal Dial and Diamonds

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Piaget - Piaget Yellow Gold and Onyx Emperador Ref. 91490C510 - The Keystone Watches

Piaget Yellow Gold and Onyx Emperador Ref. 91490C510

Piaget Yellow Gold and Onyx Emperador Ref. 91490C510

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Piaget White Gold Emperador Ref. 9131

Piaget White Gold Emperador Ref. 9131

Sold Out

 

Piaget White Gold Tradition Ref. 9131

Piaget White Gold Tradition Ref. 9131

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Patek Philippe White Gold Perpetual Calendar Ref. 5159

Patek Philippe White Gold Perpetual Calendar Ref. 5159

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Patek Philippe Steel Nautilus Chronograph Ref. 5980

Patek Philippe Steel Nautilus Chronograph Ref. 5980

Sold Out

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New Arrivals Preview
 
Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

Cartier Tank Coussin Bamboo Ref. 78102 (New Arrival)

$125,000 USD
 
Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

Cartier Tank Allongee Elongated, Circa 1940 (New Arrival)

$62,000 USD
 
Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

Patek Philippe White Gold Rectangular Art Deco Watch (New Arrival)

$55,000 USD
 
Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

Cartier Platinum Tank Watch Ref. 16111 (New Arrival)

$21,000 USD
 
Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition (New Arrival)

$175,000 USD
 
Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

Patek Philippe Yellow Gold Enamel Dial Calatrava Watch Ref. 2526 (New Arrival)

$70,000 USD
 
Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

Piaget Yellow Gold Lapis Lazuli & Jade Cuff Watch (New Arrivals)

$48,000 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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