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Patek Philippe - Patek Philippe Yellow Gold Ellipse Dor Bracelet Watch Ref. 4151 - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Dor Bracelet Watch Ref. 4151

Patek Philippe Yellow Gold Ellipse Dor Bracelet Watch Ref. 4151

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ellipse Ref. 3548 - The Keystone Watches

Patek Philippe White Gold Ellipse Ref. 3548

Patek Philippe White Gold Ellipse Ref. 3548

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Rolex - Rolex Steel Datejust Ref. 16220 Retailed by Tiffany & Co. - The Keystone Watches

Rolex Steel Datejust Ref. 16220 Retailed by Tiffany & Co.

Rolex Steel Datejust Ref. 16220 Retailed by Tiffany & Co.

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Audemars Piguet - Audemars Piguet Steel Huitieme Chronograph Ref. 25644 - The Keystone Watches

Audemars Piguet Steel Huitieme Chronograph Ref. 25644

Audemars Piguet Steel Huitieme Chronograph Ref. 25644

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Audemars Piguet Huitieme Chrono Tantalum Rose

Audemars Piguet Huitieme Chrono Tantalum Rose

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Patek Philippe - Patek Philippe Yellow Gold Watch Ref. 3525, Retailed by Gobbi Milano - The Keystone Watches

Patek Philippe Yellow Gold Watch Ref. 3525, Retailed by Gobbi Milano

Patek Philippe Yellow Gold Watch Ref. 3525, Retailed by Gobbi Milano

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Cartier Rose Gold Clash [Un]Limited Watch Ref. WGMB0003

Cartier Rose Gold Clash [Un]Limited Watch Ref. WGMB0003

Sold Out

 

Audemars Piguet White Gold and Diamond Royal Oak with Lapis Dials

Audemars Piguet White Gold and Diamond Royal Oak with Lapis Dials

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Cartier - Cartier Rose Gold Tank a Vis Dual Time Ref. 2594 - The Keystone Watches

Cartier Rose Gold Tank a Vis Dual Time Ref. 2594

Cartier Rose Gold Tank a Vis Dual Time Ref. 2594

Sold Out

 
Vacheron Constantin - Vacheron Constantin Lapis Watch Ref. 7186 - The Keystone Watches

Vacheron Constantin Lapis Watch Ref. 7186

Vacheron Constantin Lapis Watch Ref. 7186

Sold Out

 
Patek Philippe - Patek Philippe White Gold Ultra-Thin Watch Ref. 3588 with Breguet Numerals - The Keystone Watches

Patek Philippe White Gold Ultra-Thin Watch Ref. 3588 with Breguet Numerals

Patek Philippe White Gold Ultra-Thin Watch Ref. 3588 with Breguet Numerals

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Omega - Omega White Gold Constellation Ref. 7190 - The Keystone Watches

Omega White Gold Constellation Ref. 7190

Omega White Gold Constellation Ref. 7190

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Rolex Chronograph Jean Claude Killy Ref. 6036 in Superb Condition

Rolex Chronograph Jean Claude Killy Ref. 6036 in Superb Condition

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Patek Philippe - Patek Philippe Platinum Grand Complication Minute Repeater Ref. 5316 - The Keystone Watches

Patek Philippe Platinum Grand Complication Minute Repeater Ref. 5316

Patek Philippe Platinum Grand Complication Minute Repeater Ref. 5316

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Patek Philippe - Patek Philippe Steel Annual Calendar Chronograph Ref. 5960 - The Keystone Watches

Patek Philippe Steel Annual Calendar Chronograph Ref. 5960

Patek Philippe Steel Annual Calendar Chronograph Ref. 5960

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Girard Perregaux - Girard Perregaux Triple Platinum Minute Repeater - The Keystone Watches

Girard Perregaux Triple Platinum Minute Repeater

Girard Perregaux Triple Platinum Minute Repeater

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Laurent Ferrier - Laurent Ferrier Square Micro Rotor California Dial - The Keystone Watches

Laurent Ferrier Square Micro Rotor California Dial

Laurent Ferrier Square Micro Rotor California Dial

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Patek Philippe - Patek Philippe Steel Nautilus Ref. 3710/1A - The Keystone Watches

Patek Philippe Steel Nautilus Ref. 3710/1A

Patek Philippe Steel Nautilus Ref. 3710/1A

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Rolex Yellow Gold Datejust Ref. 16238 with Malachite Dial

Rolex Yellow Gold Datejust Ref. 16238 with Malachite Dial

Sold Out

 

Audemars Piguet Steel Unusual Shaped Automatic Bracelet Watch Ref. 4010

Audemars Piguet Steel Unusual Shaped Automatic Bracelet Watch Ref. 4010

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940. Second Series Dial - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940. Second Series Dial

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940. Second Series Dial

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Rolex - Rolex Steel Submariner Ref. 5513 - The Keystone Watches

Rolex Steel Submariner Ref. 5513

Rolex Steel Submariner Ref. 5513

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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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