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Rolex - Rolex White Gold Day-Date Salmon Dial Watch Ref. 18239 - The Keystone Watches

Rolex White Gold Day-Date Salmon Dial Watch Ref. 18239

Rolex White Gold Day-Date Salmon Dial Watch Ref. 18239

Sold Out

 
Audemars Piguet - Audemars Piguet Steel Automatic Ultra-Slim Watch Ref. 5273 - The Keystone Watches

Audemars Piguet Steel Automatic Ultra-Slim Watch Ref. 5273

Audemars Piguet Steel Automatic Ultra-Slim Watch Ref. 5273

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Patek Philippe - Patek Philippe Platinum Split-Seconds Chronograph Watch Ref. 5370 - The Keystone Watches

Patek Philippe Platinum Split-Seconds Chronograph Watch Ref. 5370

Patek Philippe Platinum Split-Seconds Chronograph Watch Ref. 5370

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Audemars Piguet - Audemars Piguet Platinum Royal Oak Skeleton Perpetual Watch - The Keystone Watches

Audemars Piguet Platinum Royal Oak Skeleton Perpetual Watch

Audemars Piguet Platinum Royal Oak Skeleton Perpetual Watch

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Ulysse Nardin - Ulysse Nardin San Marco Cloisonne Watch Ref. 131-77-9 - The Keystone Watches

Ulysse Nardin San Marco Cloisonne Watch Ref. 131-77-9

Ulysse Nardin San Marco Cloisonne Watch Ref. 131-77-9

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Patek Philippe - Patek Philippe Platinum Enamel Dial Minute Repeater Watch Ref. 5078 - The Keystone Watches

Patek Philippe Platinum Enamel Dial Minute Repeater Watch Ref. 5078

Patek Philippe Platinum Enamel Dial Minute Repeater Watch Ref. 5078

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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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Audemars Piguet - Audemars Piguet White Gold Thin Bracelet Watch - The Keystone Watches

Audemars Piguet White Gold Thin Bracelet Watch

Audemars Piguet White Gold Thin Bracelet Watch

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Rolex - Rolex Cosmograph Daytona Watch Ref. 6263 with Military History, Sigma Dial and Original Warranty and Hangtag - The Keystone Watches

Rolex Cosmograph Daytona Watch Ref. 6263 with Military History, Sigma Dial and Original Warranty and Hangtag

Rolex Cosmograph Daytona Watch Ref. 6263 with Military History, Sigma Dial and Original Warranty and Hangtag

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Rolex - Rolex White Gold GMT-Master II Sapphire Ruby Diamond Watch Ref. 116759 - The Keystone Watches

Rolex White Gold GMT-Master II Sapphire Ruby Diamond Watch Ref. 116759

Rolex White Gold GMT-Master II Sapphire Ruby Diamond Watch Ref. 116759

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Patek Philippe - Patek Philippe Platinum Celestial Watch Ref. 6102 - The Keystone Watches

Patek Philippe Platinum Celestial Watch Ref. 6102

Patek Philippe Platinum Celestial Watch Ref. 6102

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A. Lange & Sohne - A. Lange & Sohne Platinum Double Split Watch Ref. 404.035 - The Keystone Watches

A. Lange & Sohne Platinum Double Split Watch Ref. 404.035

A. Lange & Sohne Platinum Double Split Watch Ref. 404.035

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

Patek Philippe White Gold Annual Calendar Watch Ref. 5035

Patek Philippe White Gold Annual Calendar Watch Ref. 5035

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

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

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

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Rolex - Rolex Air-King Dominos Pizza Watch Ref. 14000 with Original Box and Papers - The Keystone Watches

Rolex Air-King Dominos Pizza Watch Ref. 14000 with Original Box and Papers

Rolex Air-King Dominos Pizza Watch Ref. 14000 with Original Box and Papers

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

Rolex White Gold Cosmograph Daytona Watch Ref. 116509

Rolex White Gold Cosmograph Daytona Watch Ref. 116509

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Vacheron Constantin - Vacheron Constantin Rose Gold 31 Day Retrograde Perpetual Calendar Watch - The Keystone Watches

Vacheron Constantin Rose Gold 31 Day Retrograde Perpetual Calendar Watch

Vacheron Constantin Rose Gold 31 Day Retrograde Perpetual Calendar Watch

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Rolex - Rolex Cosmograph Daytona Watch Ref. 116520 - The Keystone Watches

Rolex Cosmograph Daytona Watch Ref. 116520

Rolex Cosmograph Daytona Watch Ref. 116520

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FP Journe - F.P. Journe Platinum Octa Auto Reserve de Marche Black Label Watch - The Keystone Watches

F.P. Journe Platinum Octa Auto Reserve de Marche Black Label Watch

F.P. Journe Platinum Octa Auto Reserve de Marche Black Label Watch

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Patek Philippe - Patek Philippe Rose Gold Nautilus Moonphase Watch Ref. 5712 - The Keystone Watches

Patek Philippe Rose Gold Nautilus Moonphase Watch Ref. 5712

Patek Philippe Rose Gold Nautilus Moonphase Watch Ref. 5712

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Patek Philippe - Patek Philippe Aquanaut Rose Gold on Strap Ref. 5167 - The Keystone Watches

Patek Philippe Aquanaut Rose Gold on Strap Ref. 5167

Patek Philippe Aquanaut Rose Gold on Strap Ref. 5167

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Patek Philippe - Patek Philippe White Gold 10-Day Tourbillon Watch Ref. 5101 - The Keystone Watches

Patek Philippe White Gold 10-Day Tourbillon Watch Ref. 5101

Patek Philippe White Gold 10-Day Tourbillon Watch Ref. 5101

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Rolex - Rolex White Gold Day-Date Watch Ref. 1803 - The Keystone Watches

Rolex White Gold Day-Date Watch Ref. 1803

Rolex White Gold Day-Date Watch Ref. 1803

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Patek Philippe - Patek Philippe Yellow Aquanaut Jumbo Watch Ref. 5065 - The Keystone Watches

Patek Philippe Yellow Aquanaut Jumbo Watch Ref. 5065

Patek Philippe Yellow Aquanaut Jumbo Watch Ref. 5065

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Rolex - Rolex Rose Gold Cosmograph Daytona Watch Ref. 116505 - The Keystone Watches

Rolex Rose Gold Cosmograph Daytona Watch Ref. 116505

Rolex Rose Gold Cosmograph Daytona Watch Ref. 116505

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Rolex - Rolex Rose Gold Cellini Dual Time Watch Ref. 50525 - The Keystone Watches

Rolex Rose Gold Cellini Dual Time Watch Ref. 50525

Rolex Rose Gold Cellini Dual Time Watch Ref. 50525

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 5227 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 5227

Patek Philippe White Gold Calatrava Watch Ref. 5227

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Patek Philippe - Patek Philippe White Gold Gondolo 8-Days Power Reserve Watch Ref. 5200 in Like-New Condition - The Keystone Watches

Patek Philippe White Gold Gondolo 8-Days Power Reserve Watch Ref. 5200 in Like-New Condition

Patek Philippe White Gold Gondolo 8-Days Power Reserve Watch Ref. 5200 in Like-New Condition

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Patek Philippe - Patek Philippe Nautilus Moonphase Watch Ref. 5726 - The Keystone Watches

Patek Philippe Nautilus Moonphase Watch Ref. 5726

Patek Philippe Nautilus Moonphase Watch Ref. 5726

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Cartier - Cartier Yellow Gold Tank Americaine Automatic Strap Watch - The Keystone Watches

Cartier Yellow Gold Tank Americaine Automatic Strap Watch

Cartier Yellow Gold Tank Americaine Automatic Strap Watch

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Audemars Piguet - Audemars Piguet White Gold Automatic Watch Ref. 5186 - The Keystone Watches

Audemars Piguet White Gold Automatic Watch Ref. 5186

Audemars Piguet White Gold Automatic Watch Ref. 5186

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Patek Philippe - Patek Philippe Annual Calendar Moonphase Watch Ref. 5135 Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Annual Calendar Moonphase Watch Ref. 5135 Retailed by Tiffany & Co.

Patek Philippe Annual Calendar Moonphase Watch Ref. 5135 Retailed by Tiffany & Co.

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A. Lange & Sohne - A. Lange & Sohne Platinum Datograph Up Down Watch Ref. 405.035 - The Keystone Watches

A. Lange & Sohne Platinum Datograph Up Down Watch Ref. 405.035

A. Lange & Sohne Platinum Datograph Up Down Watch Ref. 405.035

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Patek Philippe - Patek Philippe White Gold Watch Ref. 570 with Archive Papers - The Keystone Watches

Patek Philippe White Gold Watch Ref. 570 with Archive Papers

Patek Philippe White Gold Watch Ref. 570 with Archive Papers

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Audemars Piguet - Audemars Piguet White Gold Diamond Strap Watch - The Keystone Watches

Audemars Piguet White Gold Diamond Strap Watch

Audemars Piguet White Gold Diamond Strap Watch

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

Patek Philippe White Gold World Time Watch Ref. 5230

Patek Philippe White Gold World Time Watch Ref. 5230

Sold Out

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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)

"Price upon request"
 
Audemars Piguet Yellow Gold Coin Watch (New Arrival)

Audemars Piguet Yellow Gold Coin Watch (New Arrival)

Audemars Piguet Yellow Gold Coin Watch (New Arrival)

$9,500 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
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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