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Rolex - Rolex GMT-Master Gilt Chapter Ring Watch Ref. 1675 - The Keystone Watches

Rolex GMT-Master Gilt Chapter Ring Watch Ref. 1675

Rolex GMT-Master Gilt Chapter Ring Watch Ref. 1675

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Piaget - Piaget Yellow Gold Skeletonized Lapis Lazuli Chronograph Watch - The Keystone Watches

Piaget Yellow Gold Skeletonized Lapis Lazuli Chronograph Watch

Piaget Yellow Gold Skeletonized Lapis Lazuli Chronograph Watch

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Cartier - Cartier Platinum Santos Dumont Watch, Ref. 1575 - The Keystone Watches

Cartier Platinum Santos Dumont Watch, Ref. 1575

Cartier Platinum Santos Dumont Watch, Ref. 1575

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Rolex - Rolex Cosmograph Zenith Daytona Watch Ref. 16520 - The Keystone Watches

Rolex Cosmograph Zenith Daytona Watch Ref. 16520

Rolex Cosmograph Zenith Daytona Watch Ref. 16520

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Rolex - Rolex Steel Date Watch Ref. 1500, with Original Caseback Sticker - The Keystone Watches

Rolex Steel Date Watch Ref. 1500, with Original Caseback Sticker

Rolex Steel Date Watch Ref. 1500, with Original Caseback Sticker

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Patek Philippe - Patek Philippe White Gold Nautilus Perpetual Calendar Watch Ref. 5740 - The Keystone Watches

Patek Philippe White Gold Nautilus Perpetual Calendar Watch Ref. 5740

Patek Philippe White Gold Nautilus Perpetual Calendar Watch Ref. 5740

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Rolex - Rolex Yellow Gold GMT-Master II Sapphire Ruby Diamond Watch Ref. 116758 - The Keystone Watches

Rolex Yellow Gold GMT-Master II Sapphire Ruby Diamond Watch Ref. 116758

Rolex Yellow Gold GMT-Master II Sapphire Ruby Diamond Watch Ref. 116758

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Richard Mille - Richard Mille Extra Flat Automatic Skeleton Green Van Niekerk Watch Ref. RM67-02 - The Keystone Watches

Richard Mille Extra Flat Automatic Skeleton Green Van Niekerk Watch Ref. RM67-02

Richard Mille Extra Flat Automatic Skeleton Green Van Niekerk Watch Ref. RM67-02

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Rolex - Rolex White Gold Cosmograph Daytona Rainbow Watch Ref. 116599 - The Keystone Watches

Rolex White Gold Cosmograph Daytona Rainbow Watch Ref. 116599

Rolex White Gold Cosmograph Daytona Rainbow Watch Ref. 116599

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Rolex - Rolex Explorer I Watch Ref. 14270 with Original Papers - The Keystone Watches

Rolex Explorer I Watch Ref. 14270 with Original Papers

Rolex Explorer I Watch Ref. 14270 with Original Papers

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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Lange One First Series Watch, Ref. 101.001 - The Keystone Watches

A. Lange & Sohne Yellow Gold Lange One First Series Watch, Ref. 101.001

A. Lange & Sohne Yellow Gold Lange One First Series Watch, Ref. 101.001

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Rolex - Rolex Sea-Dweller Rail Dial Watch Ref. 1665, from 1979 - The Keystone Watches

Rolex Sea-Dweller Rail Dial Watch Ref. 1665, from 1979

Rolex Sea-Dweller Rail Dial Watch Ref. 1665, from 1979

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Moonphase Day-Date Watch Ref. 5594 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Moonphase Day-Date Watch Ref. 5594

Audemars Piguet Yellow Gold Royal Oak Moonphase Day-Date Watch Ref. 5594

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Patek Philippe - Patek Philippe Travel Time White Gold On Bracelet Ref. 5034 - The Keystone Watches

Patek Philippe Travel Time White Gold On Bracelet Ref. 5034

Patek Philippe Travel Time White Gold On Bracelet Ref. 5034

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Jaeger LeCoultre - Jaeger Lecoultre Rose Gold Reverso Moonphase Reserve De Marche Watch - The Keystone Watches

Jaeger Lecoultre Rose Gold Reverso Moonphase Reserve De Marche Watch

Jaeger Lecoultre Rose Gold Reverso Moonphase Reserve De Marche Watch

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Rolex - Rolex Yellow Gold Day-Date OysterQuartz Watch Ref. 19018, in Never Worn Condition - The Keystone Watches

Rolex Yellow Gold Day-Date OysterQuartz Watch Ref. 19018, in Never Worn Condition

Rolex Yellow Gold Day-Date OysterQuartz Watch Ref. 19018, in Never Worn Condition

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 5153 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 5153

Patek Philippe Yellow Gold Calatrava Watch Ref. 5153

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Patek Philippe - Patek Philippe Aquanaut Jumbo Watch Ref. 5065 - The Keystone Watches

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

Patek Philippe Aquanaut Jumbo Watch Ref. 5065

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 5120 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 5120

Patek Philippe Yellow Gold Calatrava Watch Ref. 5120

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

Audemars Piguet White Gold Ultra-Thin Bracelet Watch

Audemars Piguet White Gold Ultra-Thin Bracelet Watch

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Patek Philippe - Patek Philippe Rose Gold Calatrava Watch Ref. 5196 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Watch Ref. 5196

Patek Philippe Rose Gold Calatrava Watch Ref. 5196

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Rolex - Rolex Platinum Day-Date Baguette Diamond Watch Ref. 18366 - The Keystone Watches

Rolex Platinum Day-Date Baguette Diamond Watch Ref. 18366

Rolex Platinum Day-Date Baguette Diamond Watch Ref. 18366

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New Arrivals Preview
 
Rolex Yellow Gold Day-Date Green Stella Watch Ref. 18038 (New Arrival)

Rolex Yellow Gold Day-Date Green Stella Watch Ref. 18038 (New Arrival)

Rolex Yellow Gold Day-Date Green Stella Watch Ref. 18038 (New Arrival)

$98,500 USD
 
Boucheron Yellow Gold Lapis Watch in Original Fitted Box (New Arrival)

Boucheron Yellow Gold Lapis Watch in Original Fitted Box (New Arrival)

Boucheron Yellow Gold Lapis Watch in Original Fitted Box (New Arrival)

$10,500 USD
 
Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 3915 with Original Papers (New Arrival)

$15,000 USD
 
Patek Philippe Pink Gold Tachymeter Chronograph Watch Ref. 1579 (New Arrival)

Patek Philippe Pink Gold Tachymeter Chronograph Watch Ref. 1579 (New Arrival)

Patek Philippe Pink Gold Tachymeter Chronograph Watch Ref. 1579 (New Arrival)

$200,000 USD
 
Cartier Platinum Onyx & Diamond Watch, 1910 (New Arrival)

Cartier Platinum Onyx & Diamond Watch, 1910 (New Arrival)

Cartier Platinum Onyx & Diamond Watch, 1910 (New Arrival)

$18,500 USD
 
Patek Philippe Yellow Gold Calatrava Watch Ref. 2532 (New Arrival)

Patek Philippe Yellow Gold Calatrava Watch Ref. 2532 (New Arrival)

Patek Philippe Yellow Gold Calatrava Watch Ref. 2532 (New Arrival)

$33,000 USD
 
Audemars Piguet White Gold Bracelet Watch with Pave Diamond & Sapphire Dial (New Arrival)

Audemars Piguet White Gold Bracelet Watch with Pave Diamond & Sapphire Dial (New Arrival)

Audemars Piguet White Gold Bracelet Watch with Pave Diamond & Sapphire Dial (New Arrival)

$28,000 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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