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Patek Philippe Rose Gold Perpetual Calendar Split Seconds Chronograph Watch Ref. 5204

Patek Philippe Rose Gold Perpetual Calendar Split Seconds Chronograph Watch Ref. 5204

Sold Out

 

Ulysse Nardin Yellow Gold Minute Repeater Watch Ref. 701-22

Ulysse Nardin Yellow Gold Minute Repeater Watch Ref. 701-22

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Piaget - Piaget White Gold Backset Watch Ref. 7708 - The Keystone Watches

Piaget White Gold Backset Watch Ref. 7708

Piaget White Gold Backset Watch Ref. 7708

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Cartier White Gold Skeleton Tank Louis Ref. W5310012

Cartier White Gold Skeleton Tank Louis Ref. W5310012

Cartier White Gold Skeleton Tank Louis Ref. W5310012

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Girard Perregaux Yellow Gold Vintage Watch Ref. 9851RA

Girard Perregaux Yellow Gold Vintage Watch Ref. 9851RA

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Patek Philippe White Gold Gondolo Ref. 5010

Patek Philippe White Gold Gondolo Ref. 5010

Patek Philippe White Gold Gondolo Ref. 5010

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Patek Philippe White Gold World Time Ref. 5110

Patek Philippe White Gold World Time Ref. 5110

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Patek Philippe - Patek Philippe White Gold Grand Complication Minute Repeater Watch Ref. 5213 - The Keystone Watches

Patek Philippe White Gold Grand Complication Minute Repeater Watch Ref. 5213

Patek Philippe White Gold Grand Complication Minute Repeater Watch Ref. 5213

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Audemars Piguet White Gold Beaded Bracelet Watch with Tropical Dial

Audemars Piguet White Gold Beaded Bracelet Watch with Tropical Dial

Audemars Piguet White Gold Beaded Bracelet Watch with Tropical Dial

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Audemars Piguet Steel Automatic Watch with Smoked Vignette Dial

Audemars Piguet Steel Automatic Watch with Smoked Vignette Dial

$9,500 USD
 
Audemars Piguet White Gold Lapis Lazuli and Diamond Watch

Audemars Piguet White Gold Lapis Lazuli and Diamond Watch

Audemars Piguet White Gold Lapis Lazuli and Diamond Watch

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Audemars Piguet - Audemars Piguet White Gold Octagonal Watch with Pave and Onyx Dial - The Keystone Watches

Audemars Piguet White Gold Octagonal Watch with Pave and Onyx Dial

Audemars Piguet White Gold Octagonal Watch with Pave and Onyx Dial

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

Audemars Piguet White Gold Bracelet Watch

Audemars Piguet White Gold Bracelet Watch

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Cartier - Cartier Yellow Gold Vintage Tank - The Keystone Watches

Cartier Yellow Gold Vintage Tank

Cartier Yellow Gold Vintage Tank

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Rolex Yellow Gold Yachtmaster Ref. 16628 with Blue Dial

Rolex Yellow Gold Yachtmaster Ref. 16628 with Blue Dial

Rolex Yellow Gold Yachtmaster Ref. 16628 with Blue Dial

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Rolex Yellow Gold Day Date Ref. 18238 with Diamond Pleidas Dial

Rolex Yellow Gold Day Date Ref. 18238 with Diamond Pleidas Dial

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Audemars Piguet White Gold Cushion Watch Ref. 5379

Audemars Piguet White Gold Cushion Watch Ref. 5379

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Rolex - Rolex White Gold Cellini Ref. 4014/9 - The Keystone Watches

Rolex White Gold Cellini Ref. 4014/9

Rolex White Gold Cellini Ref. 4014/9

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Patek Philippe White Gold Ellipse Ref. 3598

Patek Philippe White Gold Ellipse Ref. 3598

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Rolex White Gold Cellini Ref. 4027

Rolex White Gold Cellini Ref. 4027

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Rolex - Rolex Tridor Day-Date Ref. 18129 - The Keystone Watches

Rolex Tridor Day-Date Ref. 18129

Rolex Tridor Day-Date Ref. 18129

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chronograph Ref. 5970 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chronograph Ref. 5970

Patek Philippe Platinum Perpetual Calendar Chronograph Ref. 5970

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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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