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Patek Philippe - Patek Philippe Rose Gold Perpetual Chronograph Split Seconds Watch Ref. 5204 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Chronograph Split Seconds Watch Ref. 5204

Patek Philippe Rose Gold Perpetual Chronograph Split Seconds Watch Ref. 5204

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5036 - The Keystone Watches

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5036

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5036

Sold Out

 
Patek Philippe - Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131 - The Keystone Watches

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

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Audemars Piguet - Audemars Piguet Royal Oak Platinum Skeletonized Tourbillon Watch Ref. 26511 - The Keystone Watches

Audemars Piguet Royal Oak Platinum Skeletonized Tourbillon Watch Ref. 26511

Audemars Piguet Royal Oak Platinum Skeletonized Tourbillon Watch Ref. 26511

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Patek Philippe - Patek Philippe Aquanaut Travel Time Watch Ref. 5164 - The Keystone Watches

Patek Philippe Aquanaut Travel Time Watch Ref. 5164

Patek Philippe Aquanaut Travel Time Watch Ref. 5164

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Richard Mille - Richard Mille Carbon Yas Marina Circuit Watch Ref. RM055 - The Keystone Watches

Richard Mille Carbon Yas Marina Circuit Watch Ref. RM055

Richard Mille Carbon Yas Marina Circuit Watch Ref. RM055

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Rolex - Rolex White Gold Cosmograph Daytona Watch Ref. 116519 - The Keystone Watches

Rolex White Gold Cosmograph Daytona Watch Ref. 116519

Rolex White Gold Cosmograph Daytona Watch Ref. 116519

Sold Out

 
Patek Philippe - Patek Philippe Platinum Annual Calendar Watch Ref. 5035 - The Keystone Watches

Patek Philippe Platinum Annual Calendar Watch Ref. 5035

Patek Philippe Platinum Annual Calendar Watch Ref. 5035

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Patek Philippe - Patek Philippe White Gold Annual Calendar Tiffany & Co. Watch Ref. 5396 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Tiffany & Co. Watch Ref. 5396

Patek Philippe White Gold Annual Calendar Tiffany & Co. Watch Ref. 5396

Sold Out

 
Audemars Piguet - Audemars Piguet Royal Oak Chronograph Vampire Watch - The Keystone Watches

Audemars Piguet Royal Oak Chronograph Vampire Watch

Audemars Piguet Royal Oak Chronograph Vampire Watch

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Audemars Piguet - Audemars Piguet Black Ceramic Royal Oak Perpetual Calendar Watch - The Keystone Watches

Audemars Piguet Black Ceramic Royal Oak Perpetual Calendar Watch

Audemars Piguet Black Ceramic Royal Oak Perpetual Calendar Watch

Sold Out

 
Rolex - Rolex Rose Gold Yacht-Master Rainbow Watch Ref. 116695 - The Keystone Watches

Rolex Rose Gold Yacht-Master Rainbow Watch Ref. 116695

Rolex Rose Gold Yacht-Master Rainbow Watch Ref. 116695

Sold Out

 
FP Journe - F.P. Journe Steel End of 38mm Five Watch Set from 2015 - The Keystone Watches

F.P. Journe Steel End of 38mm Five Watch Set from 2015

F.P. Journe Steel End of 38mm Five Watch Set from 2015

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Patek Philippe - Patek Philippe White Gold Nautilus Perpetual Calendar Watch Ref. 5740 - The Keystone Watches

Patek Philippe White Gold Nautilus Perpetual Calendar Watch Ref. 5740

Patek Philippe White Gold Nautilus Perpetual Calendar Watch Ref. 5740

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Rolex - Rolex Yellow Gold GMT-Master II Sapphire Ruby Diamond Watch Ref. 116758 - The Keystone Watches

Rolex Yellow Gold GMT-Master II Sapphire Ruby Diamond Watch Ref. 116758

Rolex Yellow Gold GMT-Master II Sapphire Ruby Diamond Watch Ref. 116758

Sold Out

 
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

Sold Out

 
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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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

Sold Out

 
FP Journe - F.P. Journe Octa Sport S Indy 500 Watch, with Original Box and Papers - The Keystone Watches

F.P. Journe Octa Sport S Indy 500 Watch, with Original Box and Papers

F.P. Journe Octa Sport S Indy 500 Watch, with Original Box and Papers

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Sky Moon Celestial Watch Ref. 6102 - The Keystone Watches

Patek Philippe Rose Gold Sky Moon Celestial Watch Ref. 6102

Patek Philippe Rose Gold Sky Moon Celestial Watch Ref. 6102

Sold Out

 
Audemars Piguet - Audemars Piguet Royal Oak Forged Carbon Offshore Watch Ref. 26400 - The Keystone Watches

Audemars Piguet Royal Oak Forged Carbon Offshore Watch Ref. 26400

Audemars Piguet Royal Oak Forged Carbon Offshore Watch Ref. 26400

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Patek Philippe - Patek Philippe Rose Gold Chronograph Watch Ref. 5960 - The Keystone Watches

Patek Philippe Rose Gold Chronograph Watch Ref. 5960

Patek Philippe Rose Gold Chronograph Watch Ref. 5960

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Patek Philippe - Patek Philippe Rose Gold World Time Watch Ref. 5230 - The Keystone Watches

Patek Philippe Rose Gold World Time Watch Ref. 5230

Patek Philippe Rose Gold World Time Watch Ref. 5230

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Patek Philippe - Patek Philippe White Gold Chronograph Watch Ref. 5170 - The Keystone Watches

Patek Philippe White Gold Chronograph Watch Ref. 5170

Patek Philippe White Gold Chronograph Watch Ref. 5170

Sold Out

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

Patek Philippe Rose Gold Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe Rose Gold Perpetual Calendar Chronograph Watch Ref. 5970

Sold Out

 
IWC - IWC Aquatimer Chronograph Watch Ref. IW376802 - The Keystone Watches

IWC Aquatimer Chronograph Watch Ref. IW376802

IWC Aquatimer Chronograph Watch Ref. IW376802

Sold Out

 
IWC - IWC Mark XVII Le Petit Prince Edition Watch - The Keystone Watches

IWC Mark XVII Le Petit Prince Edition Watch

IWC Mark XVII Le Petit Prince Edition Watch

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Patek Philippe - Patek Philippe Platinum Chronograph Diamond Watch Ref. 5170 - The Keystone Watches

Patek Philippe Platinum Chronograph Diamond Watch Ref. 5170

Patek Philippe Platinum Chronograph Diamond Watch Ref. 5170

Sold Out

 
Richard Mille - Richard Mille Extra Flat Automatic Skeleton Mutaz Watch Ref. RM67-02 - The Keystone Watches

Richard Mille Extra Flat Automatic Skeleton Mutaz Watch Ref. RM67-02

Richard Mille Extra Flat Automatic Skeleton Mutaz Watch Ref. RM67-02

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Aquanaut Diamond Watch Ref. 5167/300R - The Keystone Watches

Patek Philippe Rose Gold Aquanaut Diamond Watch Ref. 5167/300R

Patek Philippe Rose Gold Aquanaut Diamond Watch Ref. 5167/300R

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 5320 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5320

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5320

Sold Out

 
Hublot - Hublot Classic Fusion Tourbillon Rose Gold - The Keystone Watches

Hublot Classic Fusion Tourbillon Rose Gold

Hublot Classic Fusion Tourbillon Rose Gold

Sold Out

 
Audemars Piguet - Audemars Piguet Royal Oak Offshore Diver Watch Ref. 15710 - The Keystone Watches

Audemars Piguet Royal Oak Offshore Diver Watch Ref. 15710

Audemars Piguet Royal Oak Offshore Diver Watch Ref. 15710

Sold Out

 
Patek Philippe - Patek Philippe White Gold Annual Calendar Blue Watch Ref. 5205 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Blue Watch Ref. 5205

Patek Philippe White Gold Annual Calendar Blue Watch Ref. 5205

Sold Out

 
Cartier - Cartier Platinum Tank Cintree Skeletonized Watch - The Keystone Watches

Cartier Platinum Tank Cintree Skeletonized Watch

Cartier Platinum Tank Cintree Skeletonized Watch

Sold Out

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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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