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

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940

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Rolex - Rolex Steel Paul Newman Daytona, Ref. 6239 - The Keystone Watches

Rolex Steel Paul Newman Daytona, Ref. 6239

Rolex Steel Paul Newman Daytona, Ref. 6239

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Rolex - Rolex Steel Pepsi GMT-Master Watch Ref. 1675, Circa 1976 - The Keystone Watches

Rolex Steel Pepsi GMT-Master Watch Ref. 1675, Circa 1976

Rolex Steel Pepsi GMT-Master Watch Ref. 1675, Circa 1976

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Rolex - Rolex Yellow Gold Day-Date Diamond Ruby Watch - The Keystone Watches

Rolex Yellow Gold Day-Date Diamond Ruby Watch

Rolex Yellow Gold Day-Date Diamond Ruby Watch

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Rolex - Rolex Yellow Gold GMT-Master Watch Ref. 1675 - The Keystone Watches

Rolex Yellow Gold GMT-Master Watch Ref. 1675

Rolex Yellow Gold GMT-Master Watch Ref. 1675

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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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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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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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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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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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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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Rolex - Rolex Sea-Dweller Tropical Watch Ref. 1665, with Original Box and Papers, Crica 1972 - The Keystone Watches

Rolex Sea-Dweller Tropical Watch Ref. 1665, with Original Box and Papers, Crica 1972

Rolex Sea-Dweller Tropical Watch Ref. 1665, with Original Box and Papers, Crica 1972

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Rolex - Rolex Two-Tone GMT-Master Root Beer Watch, With Original Box, Hangtag and Manual - The Keystone Watches

Rolex Two-Tone GMT-Master Root Beer Watch, With Original Box, Hangtag and Manual

Rolex Two-Tone GMT-Master Root Beer Watch, With Original Box, Hangtag and Manual

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Rolex - Rolex Yellow Gold Day-Date Black Dial Ref. 1803 - The Keystone Watches

Rolex Yellow Gold Day-Date Black Dial Ref. 1803

Rolex Yellow Gold Day-Date Black Dial Ref. 1803

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Split Watch Ref. 5004 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Split Watch Ref. 5004

Patek Philippe Rose Gold Perpetual Calendar Split Watch Ref. 5004

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FP Journe - F.P. Journe Platinum Remontoir dEgalite Tourbillon Watch - The Keystone Watches

F.P. Journe Platinum Remontoir dEgalite Tourbillon Watch

F.P. Journe Platinum Remontoir dEgalite Tourbillon Watch

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

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Diamond Watch Ref. 3800

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Rolex - Rolex Explorer II Orange Hand Straight Seconds Ref. 1655 - The Keystone Watches

Rolex Explorer II Orange Hand Straight Seconds Ref. 1655

Rolex Explorer II Orange Hand Straight Seconds Ref. 1655

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Rolex - Rolex GMT-Master Watch Ref. 1675, Circa 1972 - The Keystone Watches

Rolex GMT-Master Watch Ref. 1675, Circa 1972

Rolex GMT-Master Watch Ref. 1675, Circa 1972

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Rolex - Rolex Yellow Gold Submariner Lapis Lazuli Watch Ref. 16618 - The Keystone Watches

Rolex Yellow Gold Submariner Lapis Lazuli Watch Ref. 16618

Rolex Yellow Gold Submariner Lapis Lazuli Watch Ref. 16618

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

Patek Philippe Nautilus Watch Ref. 3800

Patek Philippe Nautilus Watch Ref. 3800

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Patek Philippe - Patek Philippe White Gold Baguette Diamond Watch with Original Warranty Paper - The Keystone Watches

Patek Philippe White Gold Baguette Diamond Watch with Original Warranty Paper

Patek Philippe White Gold Baguette Diamond Watch with Original Warranty Paper

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Rolex - Rolex Datejust Watch Ref. 6824, Retailed by Tiffany & Co. - The Keystone Watches

Rolex Datejust Watch Ref. 6824, Retailed by Tiffany & Co.

Rolex Datejust Watch Ref. 6824, Retailed by Tiffany & Co.

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Rolex - Rolex Oyster Perpetual Watch Ref. 6106, Circa 1958 - The Keystone Watches

Rolex Oyster Perpetual Watch Ref. 6106, Circa 1958

Rolex Oyster Perpetual Watch Ref. 6106, Circa 1958

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Rolex - Rolex Yellow Gold Day-Date Fossil Dial Watch Ref. 18238, Nicknamed the Jurassic Park - The Keystone Watches

Rolex Yellow Gold Day-Date Fossil Dial Watch Ref. 18238, Nicknamed the Jurassic Park

Rolex Yellow Gold Day-Date Fossil Dial Watch Ref. 18238, Nicknamed the Jurassic Park

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Tudor - Tudor Submariner Watch Ref. 79090 with Original Warranty Paper - The Keystone Watches

Tudor Submariner Watch Ref. 79090 with Original Warranty Paper

Tudor Submariner Watch Ref. 79090 with Original Warranty Paper

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Patek Philippe - Patek Philippe White Gold Bracelet Watch Ref. 3544, with Original Paper - The Keystone Watches

Patek Philippe White Gold Bracelet Watch Ref. 3544, with Original Paper

Patek Philippe White Gold Bracelet Watch Ref. 3544, with Original Paper

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Omega - Omega Speedmaster Pulsations Bezel, Circa 1969 - The Keystone Watches

Omega Speedmaster Pulsations Bezel, Circa 1969

Omega Speedmaster Pulsations Bezel, Circa 1969

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 570 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 570

Patek Philippe White Gold Calatrava Watch Ref. 570

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Rolex - Rolex Cosmograph Daytona Big Red Watch Ref. 6265 - The Keystone Watches

Rolex Cosmograph Daytona Big Red Watch Ref. 6265

Rolex Cosmograph Daytona Big Red Watch Ref. 6265

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Rolex - Rolex Yellow Gold Cosmograph R-Series Floating Daytona Watch Ref. 16528 - The Keystone Watches

Rolex Yellow Gold Cosmograph R-Series Floating Daytona Watch Ref. 16528

Rolex Yellow Gold Cosmograph R-Series Floating Daytona Watch Ref. 16528

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New Arrivals Preview
 
Piaget Yellow Gold Polo Watch Ref. 7661C with Original Diamonds (New Arrival)

Piaget Yellow Gold Polo Watch Ref. 7661C with Original Diamonds (New Arrival)

Piaget Yellow Gold Polo Watch Ref. 7661C with Original Diamonds (New Arrival)

$22,000 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
 
Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

$23,500 USD
 
Vacheron Constantin Rose Gold Watch with Pink Dial (New Arrival)

Vacheron Constantin Rose Gold Watch with Pink Dial (New Arrival)

Vacheron Constantin Rose Gold Watch with Pink Dial (New Arrival)

$8,000 USD
 
Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 (New Arrival)

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 (New Arrival)

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 (New Arrival)

$78,000 USD
 
Patek Philippe Yellow Gold Pocket Watch Ref 770 Retailed by Gubelin (New Arrival)

Patek Philippe Yellow Gold Pocket Watch Ref 770 Retailed by Gubelin (New Arrival)

Patek Philippe Yellow Gold Pocket Watch Ref 770 Retailed by Gubelin (New Arrival)

$7,800 USD
 
Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

$9,500 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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