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Patek Philippe - Patek Philippe Annual Calendar Chronograph Watch Ref. 5960/1A - The Keystone Watches

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960/1A

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960/1A

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Audemars Piguet - Audemars Piguet Royal Oak 41mm Watch Ref. 15400 - The Keystone Watches

Audemars Piguet Royal Oak 41mm Watch Ref. 15400

Audemars Piguet Royal Oak 41mm Watch Ref. 15400

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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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Audemars Piguet - Audemars Piguet White Gold Skeletonized Baguette Diamond Watch - The Keystone Watches

Audemars Piguet White Gold Skeletonized Baguette Diamond Watch

Audemars Piguet White Gold Skeletonized Baguette Diamond Watch

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Patek Philippe - Patek Philippe Steel Aquanaut Jumbo Watch Ref. 5167/1a - The Keystone Watches

Patek Philippe Steel Aquanaut Jumbo Watch Ref. 5167/1a

Patek Philippe Steel Aquanaut Jumbo Watch Ref. 5167/1a

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Audemars Piguet - Audemars Piguet Steel Royal Oak Bracelet Watch - The Keystone Watches

Audemars Piguet Steel Royal Oak Bracelet Watch

Audemars Piguet Steel Royal Oak Bracelet Watch

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 3919 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 3919

Patek Philippe White Gold Calatrava Watch Ref. 3919

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Rolex - Rolex Yellow Gold Day-Date Watch Ref. 18238 - The Keystone Watches

Rolex Yellow Gold Day-Date Watch Ref. 18238

Rolex Yellow Gold Day-Date Watch Ref. 18238

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Vacheron Constantin - Vacheron Constantin Yellow Gold Cioccolatone Watch Ref. 6440 - The Keystone Watches

Vacheron Constantin Yellow Gold Cioccolatone Watch Ref. 6440

Vacheron Constantin Yellow Gold Cioccolatone Watch Ref. 6440

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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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FP Journe - F.P. Journe Tantalum Chronometre Bleu Watch - The Keystone Watches

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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A. Lange & Sohne - A. Lange & Sohne Rose Gold Grand Lange 1 Moonphase Watch Ref. 139.032 - The Keystone Watches

A. Lange & Sohne Rose Gold Grand Lange 1 Moonphase Watch Ref. 139.032

A. Lange & Sohne Rose Gold Grand Lange 1 Moonphase Watch Ref. 139.032

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Rolex - Rolex Stainless Steel Fat Lady GMT-Master II Ref. 16760 - The Keystone Watches

Rolex Stainless Steel Fat Lady GMT-Master II Ref. 16760

Rolex Stainless Steel Fat Lady GMT-Master II Ref. 16760

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Audemars Piguet - Audemars Piguet Royal Oak Tourbillon Watch Ref. 26387 - The Keystone Watches

Audemars Piguet Royal Oak Tourbillon Watch Ref. 26387

Audemars Piguet Royal Oak Tourbillon Watch Ref. 26387

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Rolex - Rolex Steel Daytona Cosmograph Paul Newman Watch Ref. 6264 - The Keystone Watches

Rolex Steel Daytona Cosmograph Paul Newman Watch Ref. 6264

Rolex Steel Daytona Cosmograph Paul Newman Watch Ref. 6264

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Audemars Piguet - Audemars Piguet Royal Oak Jumbo A-Series Watch Ref. 5402 - The Keystone Watches

Audemars Piguet Royal Oak Jumbo A-Series Watch Ref. 5402

Audemars Piguet Royal Oak Jumbo A-Series Watch Ref. 5402

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New Arrivals Preview
 
Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

Cartier Platinum Tank A Guichet Ref. WGTA0236, 2025 Edition (New Arrival)

"Price upon request"
 
Audemars Piguet Yellow Gold Coin Watch (New Arrival)

Audemars Piguet Yellow Gold Coin Watch (New Arrival)

Audemars Piguet Yellow Gold Coin Watch (New Arrival)

$9,500 USD
 
Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

$9,800 USD
 
Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

$18,750 USD
 
Boucheron - Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival) - The Keystone Watches

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

$9,500 USD
 
Rolex - Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival) - The Keystone Watches

Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival)

Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival)

$7,500 USD
 
Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

$15,500 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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