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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Nick Faldo Edition Watch - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Nick Faldo Edition Watch

Audemars Piguet Rose Gold Royal Oak Nick Faldo Edition Watch

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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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Audemars Piguet - Audemars Piguet Yellow Gold Ultra-Thin Strap Watch - The Keystone Watches

Audemars Piguet Yellow Gold Ultra-Thin Strap Watch

Audemars Piguet Yellow Gold Ultra-Thin Strap Watch

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Patek Philippe - Unworn Patek Philippe Platinum Chronograph Ref. 5070 in Original Plastic Seal - The Keystone Watches

Unworn Patek Philippe Platinum Chronograph Ref. 5070 in Original Plastic Seal

Unworn Patek Philippe Platinum Chronograph Ref. 5070 in Original Plastic Seal

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Rolex - Rolex White Gold GMT-Master II Sapphire Ruby Diamond Watch Ref. 116759 - The Keystone Watches

Rolex White Gold GMT-Master II Sapphire Ruby Diamond Watch Ref. 116759

Rolex White Gold GMT-Master II Sapphire Ruby Diamond Watch Ref. 116759

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

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Patek Philippe - Patek Philippe Rose Gold Nautilus Moonphase Watch Ref. 5712R - The Keystone Watches

Patek Philippe Rose Gold Nautilus Moonphase Watch Ref. 5712R

Patek Philippe Rose Gold Nautilus Moonphase Watch Ref. 5712R

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Rolex - Rolex Steel Cosmograph Pre-Daytona Watch Ref. 6238, Circa 1965 - The Keystone Watches

Rolex Steel Cosmograph Pre-Daytona Watch Ref. 6238, Circa 1965

Rolex Steel Cosmograph Pre-Daytona Watch Ref. 6238, Circa 1965

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Rolex - Rolex Yellow Gold Datejust Bark Watch Ref. 16078 - The Keystone Watches

Rolex Yellow Gold Datejust Bark Watch Ref. 16078

Rolex Yellow Gold Datejust Bark Watch Ref. 16078

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F.P. Journe Tantalum Chronometre Bleu Watch

F.P. Journe Tantalum Chronometre Bleu Watch

F.P. Journe Tantalum Chronometre Bleu Watch

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Rolex - Rolex Steel GMT-Master Watch Ref. 16750 - The Keystone Watches

Rolex Steel GMT-Master Watch Ref. 16750

Rolex Steel GMT-Master Watch Ref. 16750

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Rolex - Rolex Steel Explorer Watch Ref. 1016 - The Keystone Watches

Rolex Steel Explorer Watch Ref. 1016

Rolex Steel Explorer Watch Ref. 1016

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Rolex - Rolex Steel Sea-Dweller Transitional Watch Ref. 16660 - The Keystone Watches

Rolex Steel Sea-Dweller Transitional Watch Ref. 16660

Rolex Steel Sea-Dweller Transitional Watch Ref. 16660

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

Rolex Cosmograph Daytona P-Series Zenith Watch Ref. 16520

Rolex Cosmograph Daytona P-Series Zenith Watch Ref. 16520

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Rolex - Rolex Steel Explorer II Cream Dial Watch Ref. 16550 - The Keystone Watches

Rolex Steel Explorer II Cream Dial Watch Ref. 16550

Rolex Steel Explorer II Cream Dial Watch Ref. 16550

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Patek Philippe - Patek Philippe White Gold Annual Calendar Ref. 5146 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Ref. 5146

Patek Philippe White Gold Annual Calendar Ref. 5146

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Tudor - Tudor Bronze Black Bay Heritage Bucherer Edition Watch Ref. 79250 - The Keystone Watches

Tudor Bronze Black Bay Heritage Bucherer Edition Watch Ref. 79250

Tudor Bronze Black Bay Heritage Bucherer Edition Watch Ref. 79250

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Patek Philippe - Patek Philippe Aquanaut Jumbo Watch Ref. 5167 - The Keystone Watches

Patek Philippe Aquanaut Jumbo Watch Ref. 5167

Patek Philippe Aquanaut Jumbo Watch Ref. 5167

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Patek Philippe - Patek Philippe Rose Gold Chronograph Pulsometer Scale Watch Ref. 533 - The Keystone Watches

Patek Philippe Rose Gold Chronograph Pulsometer Scale Watch Ref. 533

Patek Philippe Rose Gold Chronograph Pulsometer Scale Watch Ref. 533

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Rolex - Rolex Cosmograph Daytona Big Red Sigma Watch Ref. 6263 with Original Papers - The Keystone Watches

Rolex Cosmograph Daytona Big Red Sigma Watch Ref. 6263 with Original Papers

Rolex Cosmograph Daytona Big Red Sigma Watch Ref. 6263 with Original Papers

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A. Lange & Sohne - A. Lange & Sohne Platinum Datograph Up/Down Watch Ref. 405.035 - The Keystone Watches

A. Lange & Sohne Platinum Datograph Up/Down Watch Ref. 405.035

A. Lange & Sohne Platinum Datograph Up/Down Watch Ref. 405.035

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A. Lange & Sohne - A. Lange & Sohne Platinum 1815 Tourbillon Watch Ref. 730.025 - The Keystone Watches

A. Lange & Sohne Platinum 1815 Tourbillon Watch Ref. 730.025

A. Lange & Sohne Platinum 1815 Tourbillon Watch Ref. 730.025

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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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