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Patek Philippe White Gold Perpetual Calendar Watch Ref. 5040

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5040

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5040

$44,000 USD
 

Audemars Piguet Rose Gold Star Wheel Millenary Watch Ref. 25898

Audemars Piguet Rose Gold Star Wheel Millenary Watch Ref. 25898

$45,000 USD
 
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 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
 
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
 
Cartier - Cartier Yellow Gold Diamond Cover Watch - The Keystone Watches

Cartier Yellow Gold Diamond Cover Watch

Cartier Yellow Gold Diamond Cover Watch

$25,000 USD
 
Omega - Omega Yellow Gold Automatic Watch Retailed by Turler - The Keystone Watches

Omega Yellow Gold Automatic Watch Retailed by Turler

Omega Yellow Gold Automatic Watch Retailed by Turler

$4,950 USD
 

Audemars Piguet White Gold Canape Tourbillon Ref. 25942BC

Audemars Piguet White Gold Canape Tourbillon Ref. 25942BC

$40,000 USD
 
Piaget - Piaget Yellow Gold Tigers Eye Diamond Watch Ref. 925 - The Keystone Watches

Piaget Yellow Gold Tigers Eye Diamond Watch Ref. 925

Piaget Yellow Gold Tigers Eye Diamond Watch Ref. 925

$9,000 USD
 
Piaget White Gold Onyx & Diamond Watch

Piaget White Gold Onyx & Diamond Watch

Piaget White Gold Onyx & Diamond Watch

$17,500 USD
 
Piaget - Piaget White Gold Limelight Wide Bracelet Watch Ref. G0A38216 - The Keystone Watches

Piaget White Gold Limelight Wide Bracelet Watch Ref. G0A38216

Piaget White Gold Limelight Wide Bracelet Watch Ref. G0A38216

$44,000 USD
 
Cartier - Cartier Paris White Gold Diamond Tank Watch, Movement by Vacheron Constantin - The Keystone Watches

Cartier Paris White Gold Diamond Tank Watch, Movement by Vacheron Constantin

Cartier Paris White Gold Diamond Tank Watch, Movement by Vacheron Constantin

$37,500 USD
 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Watch Ref. 5040 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5040

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5040

$55,000 USD
 
Piaget - Piaget White Gold and Diamond Watch Ref. 8056 with Opal and Onyx Dial - The Keystone Watches

Piaget White Gold and Diamond Watch Ref. 8056 with Opal and Onyx Dial

Piaget White Gold and Diamond Watch Ref. 8056 with Opal and Onyx Dial

$18,000 USD
 
Patek Philippe - Patek Philippe White Gold Ellipse Ref. 4175 with Khanjar Dial - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 4175 with Khanjar Dial

Patek Philippe White Gold Ellipse Ref. 4175 with Khanjar Dial

$10,500 USD
 
Patek Philippe White Gold Backwind Calatrava Ref. 3563

Patek Philippe White Gold Backwind Calatrava Ref. 3563

Patek Philippe White Gold Backwind Calatrava Ref. 3563

$16,000 USD
 
Piaget - Piaget White Gold Large Diagonal Baguette Bezel Watch with Onyx Dial 7334A6 - The Keystone Watches

Piaget White Gold Large Diagonal Baguette Bezel Watch with Onyx Dial 7334A6

Piaget White Gold Large Diagonal Baguette Bezel Watch with Onyx Dial 7334A6

$18,750 USD
 
Jaeger LeCoultre White Gold Mystery Ref. 7673

Jaeger LeCoultre White Gold Mystery Ref. 7673

Jaeger LeCoultre White Gold Mystery Ref. 7673

$13,500 USD
 
Cartier Yellow Gold Tank Louis Ref. 1612 on Yellow Gold Bracelet

Cartier Yellow Gold Tank Louis Ref. 1612 on Yellow Gold Bracelet

Cartier Yellow Gold Tank Louis Ref. 1612 on Yellow Gold Bracelet

$26,500 USD
 
Richard Mille Olympic-Worn, Yohan Blake Tourbillon RM38 Prototype

Richard Mille Olympic-Worn, Yohan Blake Tourbillon RM38 Prototype

Richard Mille Olympic-Worn, Yohan Blake Tourbillon RM38 Prototype

$1,500,000 USD
 
Rolex White Gold Day-Date Ref. 118209 with Pink Mother of Pearl Dial

Rolex White Gold Day-Date Ref. 118209 with Pink Mother of Pearl Dial

Rolex White Gold Day-Date Ref. 118209 with Pink Mother of Pearl Dial

$26,000 USD
 
IWC White Gold Sapphire and Diamond Cover Watch

IWC White Gold Sapphire and Diamond Cover Watch

IWC White Gold Sapphire and Diamond Cover Watch

$7,800 USD
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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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