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Patek Philippe - Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960P - The Keystone Watches

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960P

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960P

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H. Moser & Cie - H. Moser & Cie. White Gold Swiss Alp Zzzz Ref. 5324-0207 - The Keystone Watches

H. Moser & Cie. White Gold Swiss Alp Zzzz Ref. 5324-0207

H. Moser & Cie. White Gold Swiss Alp Zzzz Ref. 5324-0207

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Rolex - Rolex Steel Datejust Ref. 116234 with Blue Vignette Dial - The Keystone Watches

Rolex Steel Datejust Ref. 116234 with Blue Vignette Dial

Rolex Steel Datejust Ref. 116234 with Blue Vignette Dial

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Rolex - Rolex White Gold Daytona Blue Beach Ref. 116519 - The Keystone Watches

Rolex White Gold Daytona Blue Beach Ref. 116519

Rolex White Gold Daytona Blue Beach Ref. 116519

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

Patek Philippe White Gold Chronograph Ref. 5170G

Patek Philippe White Gold Chronograph Ref. 5170G

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

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970

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Patek Philippe - Patek Philippe White Gold Travel Time Ref. 5524G - The Keystone Watches

Patek Philippe White Gold Travel Time Ref. 5524G

Patek Philippe White Gold Travel Time Ref. 5524G

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Rolex - Rolex White Gold Daytona Ref. 116519 with Original Sticker on Back - The Keystone Watches

Rolex White Gold Daytona Ref. 116519 with Original Sticker on Back

Rolex White Gold Daytona Ref. 116519 with Original Sticker on Back

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Ref. 5040 retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Ref. 5040 retailed by Tiffany & Co.

Patek Philippe Rose Gold Perpetual Calendar Ref. 5040 retailed by Tiffany & Co.

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Bulgari - Bulgari Platinum Tourbillon Watch - The Keystone Watches

Bulgari Platinum Tourbillon Watch

Bulgari Platinum Tourbillon Watch

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Ref 5140 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Ref 5140

Patek Philippe Platinum Perpetual Calendar Ref 5140

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Cartier Platinum Tank Cintree Ref. 4124

Cartier Platinum Tank Cintree Ref. 4124

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Patek Philippe - Patek Philippe Rose Gold Pilot Ref. 5524R - The Keystone Watches

Patek Philippe Rose Gold Pilot Ref. 5524R

Patek Philippe Rose Gold Pilot Ref. 5524R

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Patek Philippe - Patek Philippe Rose Gold Nautilus Ref. 5711 - The Keystone Watches

Patek Philippe Rose Gold Nautilus Ref. 5711

Patek Philippe Rose Gold Nautilus Ref. 5711

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Rolex - ROLEX COSMOGRAPH DAYTONA BLUE BEACH WATCH REF. 116519 - The Keystone Watches

ROLEX COSMOGRAPH DAYTONA BLUE BEACH WATCH REF. 116519

ROLEX COSMOGRAPH DAYTONA BLUE BEACH WATCH REF. 116519

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

Rolex Rose Gold Cosmograph Daytona Rainbow Watch Ref. 116595

Rolex Rose Gold Cosmograph Daytona Rainbow Watch Ref. 116595

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

Patek Philippe Platinum World Time Watch Ref. 5131

Patek Philippe Platinum World Time Watch Ref. 5131

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Cartier - Cartier Platinum Santos Ref. 1575 - The Keystone Watches

Cartier Platinum Santos Ref. 1575

Cartier Platinum Santos Ref. 1575

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Naoya Hida - Naoya Hida Steel NH TYPE1B - The Keystone Watches

Naoya Hida Steel NH TYPE1B

Naoya Hida Steel NH TYPE1B

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A. Lange & Sohne - A. Lange & Sohne White Gold Lange 1 Perpetual Calendar Ref. 345.056 - The Keystone Watches

A. Lange & Sohne White Gold Lange 1 Perpetual Calendar Ref. 345.056

A. Lange & Sohne White Gold Lange 1 Perpetual Calendar Ref. 345.056

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Franck Muller - Franck Muller Platinum Chronograph Tourbillon Ref. 7850CCT - The Keystone Watches

Franck Muller Platinum Chronograph Tourbillon Ref. 7850CCT

Franck Muller Platinum Chronograph Tourbillon Ref. 7850CCT

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Audemars Piguet - Audemars Piguet Steel Royal Oak Chronograph Ref. 25860ST - The Keystone Watches

Audemars Piguet Steel Royal Oak Chronograph Ref. 25860ST

Audemars Piguet Steel Royal Oak Chronograph Ref. 25860ST

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Patek Philippe - Patek Philippe White Gold Perpetual Engraved Ref. 5160 - The Keystone Watches

Patek Philippe White Gold Perpetual Engraved Ref. 5160

Patek Philippe White Gold Perpetual Engraved Ref. 5160

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Cartier - Cartier Yellow Gold Tank Cintree Watch Ref. 4123 - The Keystone Watches

Cartier Yellow Gold Tank Cintree Watch Ref. 4123

Cartier Yellow Gold Tank Cintree Watch Ref. 4123

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FP Journe - F.P Journe Platinum Ruthenium Edition Tourbillon, Edition of 99 Pieces - The Keystone Watches

F.P Journe Platinum Ruthenium Edition Tourbillon, Edition of 99 Pieces

F.P Journe Platinum Ruthenium Edition Tourbillon, Edition of 99 Pieces

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Watch Ref. 5970 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5970

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5970

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A. Lange & Sohne - A. Lange & Sohne Platinum Grand Lange 1 Lumen 117.035 - The Keystone Watches

A. Lange & Sohne Platinum Grand Lange 1 Lumen 117.035

A. Lange & Sohne Platinum Grand Lange 1 Lumen 117.035

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A. Lange & Sohne White Gold 1815 Annual Calendar Watch Ref. 238.026

A. Lange & Sohne White Gold 1815 Annual Calendar Watch Ref. 238.026

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Split Seconds Chronograph Ref. 5004 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Split Seconds Chronograph Ref. 5004

Patek Philippe Platinum Perpetual Calendar Split Seconds Chronograph Ref. 5004

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Audemars Piguet - Audemars Platinum White Gold Frosted Royal Oak Ref. 26331 - The Keystone Watches

Audemars Platinum White Gold Frosted Royal Oak Ref. 26331

Audemars Platinum White Gold Frosted Royal Oak Ref. 26331

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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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Jaeger LeCoultre - Jaeger LeCoultre Master Grande Minute Repeater Watch Ref. Q5011410, Limited to 100 Pieces - The Keystone Watches

Jaeger LeCoultre Master Grande Minute Repeater Watch Ref. Q5011410, Limited to 100 Pieces

Jaeger LeCoultre Master Grande Minute Repeater Watch Ref. Q5011410, Limited to 100 Pieces

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Rolex - Rolex White Gold Daytona Sodalite Watch Ref. 116509 - The Keystone Watches

Rolex White Gold Daytona Sodalite Watch Ref. 116509

Rolex White Gold Daytona Sodalite Watch Ref. 116509

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Patek Philippe - Patek Philippe Platinum Advanced Research Ref. 5550 - The Keystone Watches

Patek Philippe Platinum Advanced Research Ref. 5550

Patek Philippe Platinum Advanced Research Ref. 5550

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Ulysse Nardin - Ulysse Nardin Rose Gold Sonata Cathedral Watch Ref. 676-88 - The Keystone Watches

Ulysse Nardin Rose Gold Sonata Cathedral Watch Ref. 676-88

Ulysse Nardin Rose Gold Sonata Cathedral Watch Ref. 676-88

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne Platinum Darth Saxonia 105.035 - The Keystone Watches

A. Lange & Sohne Platinum Darth Saxonia 105.035

A. Lange & Sohne Platinum Darth Saxonia 105.035

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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.

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