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Patek Philippe - Patek Philippe White Gold Gondolo Trapeze Ref. 5489G - The Keystone Watches

Patek Philippe White Gold Gondolo Trapeze Ref. 5489G

Patek Philippe White Gold Gondolo Trapeze Ref. 5489G

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Patek Philippe Yellow Gold Nautilus Ref. 4700

Patek Philippe Yellow Gold Nautilus Ref. 4700

Patek Philippe Yellow Gold Nautilus Ref. 4700

Sold Out

 
A. Lange & Sohne Rose Gold Richard Lange Ref. 232.032

A. Lange & Sohne Rose Gold Richard Lange Ref. 232.032

A. Lange & Sohne Rose Gold Richard Lange Ref. 232.032

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Cartier Vintage Platinum Tonneau Mecanique Watch

Cartier Vintage Platinum Tonneau Mecanique Watch

Cartier Vintage Platinum Tonneau Mecanique Watch

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Patek Philippe Yellow Gold Calatrava Watch Ref. 2593, Retailed by Tiffany & Co.

Patek Philippe Yellow Gold Calatrava Watch Ref. 2593, Retailed by Tiffany & Co.

Patek Philippe Yellow Gold Calatrava Watch Ref. 2593, Retailed by Tiffany & Co.

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Rolex Platinum Day Date Ref. 18206

Rolex Platinum Day Date Ref. 18206

Rolex Platinum Day Date Ref. 18206

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Patek Philippe - Patek Philippe White Gold Vintage Ladies Watch Ref. 4217 - The Keystone Watches

Patek Philippe White Gold Vintage Ladies Watch Ref. 4217

Patek Philippe White Gold Vintage Ladies Watch Ref. 4217

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Patek White Gold Vintage Ellipse with Original Diamonds Ref. 4177

Patek White Gold Vintage Ellipse with Original Diamonds Ref. 4177

Patek White Gold Vintage Ellipse with Original Diamonds Ref. 4177

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Rolex White Gold Zenith Daytona Ref. 16519 with Mother of Pearl Dial and Original Paper

Rolex White Gold Zenith Daytona Ref. 16519 with Mother of Pearl Dial and Original Paper

Rolex White Gold Zenith Daytona Ref. 16519 with Mother of Pearl Dial and Original Paper

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Cartier - Cartier Two Tone Santos Ref. 2961 with Godron Bracelet - The Keystone Watches

Cartier Two Tone Santos Ref. 2961 with Godron Bracelet

Cartier Two Tone Santos Ref. 2961 with Godron Bracelet

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Patek Philippe - Patek Philippe White Gold Calatrava Ref. 3468 with Original Warranty - The Keystone Watches

Patek Philippe White Gold Calatrava Ref. 3468 with Original Warranty

Patek Philippe White Gold Calatrava Ref. 3468 with Original Warranty

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Audemars Piguet - Audemars Piguet Yellow Gold Quantieme Perpetual Watch Ref. 5549 - The Keystone Watches

Audemars Piguet Yellow Gold Quantieme Perpetual Watch Ref. 5549

Audemars Piguet Yellow Gold Quantieme Perpetual Watch Ref. 5549

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Vacheron Constantin Rose Gold Malte Regulateur Ref. 42005

Vacheron Constantin Rose Gold Malte Regulateur Ref. 42005

Vacheron Constantin Rose Gold Malte Regulateur Ref. 42005

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Patek Philippe Rose Gold Nautilus Chronograph Watch Ref. 5980, Tiffany & Co., 2018

Patek Philippe Rose Gold Nautilus Chronograph Watch Ref. 5980, Tiffany & Co., 2018

Patek Philippe Rose Gold Nautilus Chronograph Watch Ref. 5980, Tiffany & Co., 2018

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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

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Cartier Yellow Gold Baignoire Bangle Watch Ref. WGBA0021

Cartier Yellow Gold Baignoire Bangle Watch Ref. WGBA0021

Cartier Yellow Gold Baignoire Bangle Watch Ref. WGBA0021

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Omega Steel Speedmaster Ref. CK2998, Blue Limited Edition

Omega Steel Speedmaster Ref. CK2998, Blue Limited Edition

Omega Steel Speedmaster Ref. CK2998, Blue Limited Edition

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3700 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3700

Patek Philippe Yellow Gold Nautilus Watch Ref. 3700

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Patek Philippe Yellow Gold Neptune Moonphase Power Reserve Ref. 5085

Patek Philippe Yellow Gold Neptune Moonphase Power Reserve Ref. 5085

Patek Philippe Yellow Gold Neptune Moonphase Power Reserve Ref. 5085

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Cartier - Cartier Yellow Gold Tank Normale Watch Ref. 78902 with Rare Dial - The Keystone Watches

Cartier Yellow Gold Tank Normale Watch Ref. 78902 with Rare Dial

Cartier Yellow Gold Tank Normale Watch Ref. 78902 with Rare Dial

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Audemars Piguet Rose Gold Star Wheel Millenary Watch Ref. 25898

Audemars Piguet Rose Gold Star Wheel Millenary Watch Ref. 25898

Audemars Piguet Rose Gold Star Wheel Millenary Watch Ref. 25898

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Vacheron Constantin - Vacheron Constantin Yellow Gold Calatrava Watch - The Keystone Watches

Vacheron Constantin Yellow Gold Calatrava Watch

Vacheron Constantin Yellow Gold Calatrava Watch

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New Arrivals Preview
 
Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

$19,800 USD
 
Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

$16,000 USD
 
Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

$75,000 USD
 
Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

$30,000 USD
 
Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

$105,000 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival) - The Keystone Watches

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

$60,000 USD
 
Audemars Piguet - Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival) - The Keystone Watches

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

$18,000 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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