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Patek Philippe - Patek Philippe Rose Gold Nautilus Watch Ref. 5723 with Factory Ruby Dial and Bezel - The Keystone Watches

Patek Philippe Rose Gold Nautilus Watch Ref. 5723 with Factory Ruby Dial and Bezel

Patek Philippe Rose Gold Nautilus Watch Ref. 5723 with Factory Ruby Dial and Bezel

Sold Out

 
Rolex - Rolex Platinum Day-Date Diamond Watch Ref. 228396 - The Keystone Watches

Rolex Platinum Day-Date Diamond Watch Ref. 228396

Rolex Platinum Day-Date Diamond Watch Ref. 228396

Sold Out

 
Laurent Ferrier - Laurent Ferrier Steel Grand Sport Tourbillon Watch, Limited to 12 Pieces - The Keystone Watches

Laurent Ferrier Steel Grand Sport Tourbillon Watch, Limited to 12 Pieces

Laurent Ferrier Steel Grand Sport Tourbillon Watch, Limited to 12 Pieces

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Audemars Piguet - Audemars Piguet Steel Skeletonized Royal Oak Ref. 15305ST - The Keystone Watches

Audemars Piguet Steel Skeletonized Royal Oak Ref. 15305ST

Audemars Piguet Steel Skeletonized Royal Oak Ref. 15305ST

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Audemars Piguet - Audemars Piguet Steel Royal Oak Perpetual Calendar Skeleton Watch Ref. 25829 - The Keystone Watches

Audemars Piguet Steel Royal Oak Perpetual Calendar Skeleton Watch Ref. 25829

Audemars Piguet Steel Royal Oak Perpetual Calendar Skeleton Watch Ref. 25829

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Audemars Piguet - Audemars Piguet Yellow Gold Calendar Moonphase Watch Ref. 25594 - The Keystone Watches

Audemars Piguet Yellow Gold Calendar Moonphase Watch Ref. 25594

Audemars Piguet Yellow Gold Calendar Moonphase Watch Ref. 25594

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Ref. 15202 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Ref. 15202

Audemars Piguet Yellow Gold Royal Oak Ref. 15202

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Rolex - Rolex Rose Gold Cosmograph Rainbow Daytona Ref. 116595 - The Keystone Watches

Rolex Rose Gold Cosmograph Rainbow Daytona Ref. 116595

Rolex Rose Gold Cosmograph Rainbow Daytona Ref. 116595

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Audemars Piguet - Audemars Piguet Platinum Royal Oak Tourbillon Watch Ref. 26535PT with Baguette Diamonds - The Keystone Watches

Audemars Piguet Platinum Royal Oak Tourbillon Watch Ref. 26535PT with Baguette Diamonds

Audemars Piguet Platinum Royal Oak Tourbillon Watch Ref. 26535PT with Baguette Diamonds

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chrono Watch Ref. 5270 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chrono Watch Ref. 5270

Patek Philippe Platinum Perpetual Calendar Chrono Watch Ref. 5270

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Richard Mille - Richard Mille Rose Gold RM67-01 with Factory Pave Diamond Case - The Keystone Watches

Richard Mille Rose Gold RM67-01 with Factory Pave Diamond Case

Richard Mille Rose Gold RM67-01 with Factory Pave Diamond Case

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Audemars Piguet - Audemars Piguet Steel Royal Oak Ref. 14790 with Tropical Dial - The Keystone Watches

Audemars Piguet Steel Royal Oak Ref. 14790 with Tropical Dial

Audemars Piguet Steel Royal Oak Ref. 14790 with Tropical Dial

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5074 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5074

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5074

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Patek Philippe - Patek Philippe Rose Gold Grand Complication Minute Repeater Ref. 5208 - The Keystone Watches

Patek Philippe Rose Gold Grand Complication Minute Repeater Ref. 5208

Patek Philippe Rose Gold Grand Complication Minute Repeater Ref. 5208

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Audemars Piguet - Audemars Piguet Frosted Yellow Gold Carolina Bucci Royal Oak Ref. 15454 - The Keystone Watches

Audemars Piguet Frosted Yellow Gold Carolina Bucci Royal Oak Ref. 15454

Audemars Piguet Frosted Yellow Gold Carolina Bucci Royal Oak Ref. 15454

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Audemars Piguet - Audemars Piguet Titanium Royal Oak Quantieme Perpetual Ref. 26615 with Salmon Dial - The Keystone Watches

Audemars Piguet Titanium Royal Oak Quantieme Perpetual Ref. 26615 with Salmon Dial

Audemars Piguet Titanium Royal Oak Quantieme Perpetual Ref. 26615 with Salmon Dial

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Rolex - Rolex Platinum Ice-Blue Day-Date Ref. 228396 with Baguette Diamonds - The Keystone Watches

Rolex Platinum Ice-Blue Day-Date Ref. 228396 with Baguette Diamonds

Rolex Platinum Ice-Blue Day-Date Ref. 228396 with Baguette Diamonds

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Audemars Piguet - Audemars Piguet Royal Oak Tourbillon Japan Edition Watch Ref. 26512 - The Keystone Watches

Audemars Piguet Royal Oak Tourbillon Japan Edition Watch Ref. 26512

Audemars Piguet Royal Oak Tourbillon Japan Edition Watch Ref. 26512

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5970 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5970

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Rolex - Rolex Yellow Gold GMT-Master SARU Watch Ref. 116748 with Original Box and Warranty - The Keystone Watches

Rolex Yellow Gold GMT-Master SARU Watch Ref. 116748 with Original Box and Warranty

Rolex Yellow Gold GMT-Master SARU Watch Ref. 116748 with Original Box and Warranty

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FP Journe - F.P. Journe Aluminum Octa Sport Watch - The Keystone Watches

F.P. Journe Aluminum Octa Sport Watch

F.P. Journe Aluminum Octa Sport Watch

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 3970 with Rare Brown, Breguet Numeral Dial - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 3970 with Rare Brown, Breguet Numeral Dial

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 3970 with Rare Brown, Breguet Numeral Dial

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Richard Mille - Richard Mille Automatic Winding Extra Flat RM67-02 Alexander Zverev Edition - The Keystone Watches

Richard Mille Automatic Winding Extra Flat RM67-02 Alexander Zverev Edition

Richard Mille Automatic Winding Extra Flat RM67-02 Alexander Zverev Edition

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Cartier - Cartier Platinum Santos-Dumont Le Bresil Tank Ref. WGSA0034, Limited Edition of 100 Pieces - The Keystone Watches

Cartier Platinum Santos-Dumont Le Bresil Tank Ref. WGSA0034, Limited Edition of 100 Pieces

Cartier Platinum Santos-Dumont Le Bresil Tank Ref. WGSA0034, Limited Edition of 100 Pieces

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Patek Philippe - Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074

Patek Philippe Rose Gold Perpetual Minute Repeater Watch Ref. 5074

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Richard Mille - Richard Mille Manual Winding Tourbillon RM17-01 - The Keystone Watches

Richard Mille Manual Winding Tourbillon RM17-01

Richard Mille Manual Winding Tourbillon RM17-01

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Patek Philippe - Patek Philippe Nautilus Moonphase Watch Ref. 5712 with Original Box and Papers - The Keystone Watches

Patek Philippe Nautilus Moonphase Watch Ref. 5712 with Original Box and Papers

Patek Philippe Nautilus Moonphase Watch Ref. 5712 with Original Box and Papers

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Tiffany & Co. Watch Ref. 5970 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Tiffany & Co. Watch Ref. 5970

Patek Philippe White Gold Perpetual Calendar Tiffany & Co. Watch Ref. 5970

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Patek Philippe - Patek Philippe Steel Dual Time Aquanaut Ref. 5164 - The Keystone Watches

Patek Philippe Steel Dual Time Aquanaut Ref. 5164

Patek Philippe Steel Dual Time Aquanaut Ref. 5164

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Rolex - Rolex Platinum Day-Date 40mm Ref. 228206 with Box and Warranty - The Keystone Watches

Rolex Platinum Day-Date 40mm Ref. 228206 with Box and Warranty

Rolex Platinum Day-Date 40mm Ref. 228206 with Box and Warranty

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Patek Philippe - Patek Philippe Steel Nautilus Ref. 5711 with Original Box and Warranty - The Keystone Watches

Patek Philippe Steel Nautilus Ref. 5711 with Original Box and Warranty

Patek Philippe Steel Nautilus Ref. 5711 with Original Box and Warranty

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Richard Mille - Richard Mille Automatic RM 023 Titanium - The Keystone Watches

Richard Mille Automatic RM 023 Titanium

Richard Mille Automatic RM 023 Titanium

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Diamond Watch Ref. 5971 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Diamond Watch Ref. 5971

Patek Philippe Platinum Perpetual Calendar Diamond Watch Ref. 5971

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne White Gold Perpetual Calendar Watch Ref. 310.026 - The Keystone Watches

A. Lange & Sohne White Gold Perpetual Calendar Watch Ref. 310.026

A. Lange & Sohne White Gold Perpetual Calendar Watch Ref. 310.026

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Rolex - Rolex Yellow Gold Rainbow Daytona Watch Ref. 116598 - The Keystone Watches

Rolex Yellow Gold Rainbow Daytona Watch Ref. 116598

Rolex Yellow Gold Rainbow Daytona Watch Ref. 116598

Sold Out

 
Patek Philippe - Patek Philippe Calatrava Handicraft New York Jazz Edition Watch Ref. 5089 in Unworn Condition - The Keystone Watches

Patek Philippe Calatrava Handicraft New York Jazz Edition Watch Ref. 5089 in Unworn Condition

Patek Philippe Calatrava Handicraft New York Jazz Edition Watch Ref. 5089 in Unworn Condition

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New Arrivals Preview
 
Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

$23,750 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL) - The Keystone Watches

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

$155,000 USD
 
Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

$14,500 USD
 
Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

$13,250 USD
 
Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

$16,500 USD
 

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

$17,750 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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