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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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Vacheron Constantin - Vacheron Constantin Yellow Gold Les Historiques Triple Calendar Moonphase Watch Ref. 47050 - The Keystone Watches

Vacheron Constantin Yellow Gold Les Historiques Triple Calendar Moonphase Watch Ref. 47050

Vacheron Constantin Yellow Gold Les Historiques Triple Calendar Moonphase Watch Ref. 47050

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Retrograde Ref. 5496 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Retrograde Ref. 5496

Patek Philippe Platinum Perpetual Calendar Retrograde Ref. 5496

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Rolex - Rolex Steel Submariner Watch Ref. 16800 - The Keystone Watches

Rolex Steel Submariner Watch Ref. 16800

Rolex Steel Submariner Watch Ref. 16800

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

Rolex Yellow Gold Day-Date Ferrite Stone Dial Watch Ref. 18238

Rolex Yellow Gold Day-Date Ferrite Stone Dial Watch Ref. 18238

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Rolex - Rolex Steel Submariner Watch Ref. 1680, with Original Pumpkin Patina - The Keystone Watches

Rolex Steel Submariner Watch Ref. 1680, with Original Pumpkin Patina

Rolex Steel Submariner Watch Ref. 1680, with Original Pumpkin Patina

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Omega - Omega Seamaster 600 Manual-Wind Strap Watch - The Keystone Watches

Omega Seamaster 600 Manual-Wind Strap Watch

Omega Seamaster 600 Manual-Wind Strap Watch

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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)

$150,000 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
 
Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

Patek Philiipe White Gold Calatrava Watch Ref. 3919 (New Arrival)

$15,000 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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