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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Split Seconds Chronograph Watch Ref. 5204P - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Split Seconds Chronograph Watch Ref. 5204P

Patek Philippe Platinum Perpetual Calendar Split Seconds Chronograph Watch Ref. 5204P

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Patek Philippe - Patek Philippe Steel Nautilus Watch Ref. 5711 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 5711 (NEW ARRIVAL)

Patek Philippe Steel Nautilus Watch Ref. 5711 (NEW ARRIVAL)

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Rolex - Rolex White Gold Day-Date Diamond Watch Ref. 118399 - The Keystone Watches

Rolex White Gold Day-Date Diamond Watch Ref. 118399

Rolex White Gold Day-Date Diamond Watch Ref. 118399

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 5270 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5270

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5270

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Cartier - Cartier White Gold Tank Cintree Chinese Dual Time Ref. 2767 - The Keystone Watches

Cartier White Gold Tank Cintree Chinese Dual Time Ref. 2767

Cartier White Gold Tank Cintree Chinese Dual Time Ref. 2767

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Rolex - Rolex Day-Date White Gold Ref. 228239 with Meteorite Dial - The Keystone Watches

Rolex Day-Date White Gold Ref. 228239 with Meteorite Dial

Rolex Day-Date White Gold Ref. 228239 with Meteorite Dial

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Patek Philippe - Patek Philippe White Gold Aquanaut Khaki Green Watch Ref. 5168 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe White Gold Aquanaut Khaki Green Watch Ref. 5168 (NEW ARRIVAL)

Patek Philippe White Gold Aquanaut Khaki Green Watch Ref. 5168 (NEW ARRIVAL)

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Rolex - Rolex Platinum Cosmograph Daytona Watch Ref. 116506 (NEW ARRIVAL) - The Keystone Watches

Rolex Platinum Cosmograph Daytona Watch Ref. 116506 (NEW ARRIVAL)

Rolex Platinum Cosmograph Daytona Watch Ref. 116506 (NEW ARRIVAL)

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Tudor - Tudor Steel Chrono-Time Chronograph Watch Ref. 79280 with Salmon Dial (NEW ARRIVAL) - The Keystone Watches

Tudor Steel Chrono-Time Chronograph Watch Ref. 79280 with Salmon Dial (NEW ARRIVAL)

Tudor Steel Chrono-Time Chronograph Watch Ref. 79280 with Salmon Dial (NEW ARRIVAL)

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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 Daytona Watch Ref. 116506 with Baguette Diamond Markers - The Keystone Watches

Rolex Platinum Daytona Watch Ref. 116506 with Baguette Diamond Markers

Rolex Platinum Daytona Watch Ref. 116506 with Baguette Diamond Markers

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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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Patek Philippe - Patek Philippe Rose Gold Chronograph 175th Anniversary Watch Ref. 5975 - The Keystone Watches

Patek Philippe Rose Gold Chronograph 175th Anniversary Watch Ref. 5975

Patek Philippe Rose Gold Chronograph 175th Anniversary Watch Ref. 5975

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

Patek Philippe Platinum Chronograph Watch Ref. 5170

Patek Philippe Platinum Chronograph Watch Ref. 5170

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Patek Philippe Rose Gold 10-Day Tourbillon Watch Ref. 5101, Single Sealed

Patek Philippe Rose Gold 10-Day Tourbillon Watch Ref. 5101, Single Sealed

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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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Patek Philippe - Patek Philippe Yellow Gold Split Seconds Perpetual Watch Ref. 5004 - The Keystone Watches

Patek Philippe Yellow Gold Split Seconds Perpetual Watch Ref. 5004

Patek Philippe Yellow Gold Split Seconds Perpetual Watch Ref. 5004

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Rolex - Rolex Steel M-Series Coke GMT-Master Ref. 16710 with Error Dial - The Keystone Watches

Rolex Steel M-Series Coke GMT-Master Ref. 16710 with Error Dial

Rolex Steel M-Series Coke GMT-Master Ref. 16710 with Error Dial

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Rolex - Rolex Steel Zenith Daytona Ref. 16520 in New Old Stock Condition with Papers (NEW ARRIVAL) - The Keystone Watches

Rolex Steel Zenith Daytona Ref. 16520 in New Old Stock Condition with Papers (NEW ARRIVAL)

Rolex Steel Zenith Daytona Ref. 16520 in New Old Stock Condition with Papers (NEW ARRIVAL)

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

Rolex Yellow Gold Submariner Watch Ref. 16618

Rolex Yellow Gold Submariner Watch Ref. 16618

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Piaget - Piaget Yellow Gold Baguette Bezel with Pave Dial and Diamonds Bracelet - The Keystone Watches

Piaget Yellow Gold Baguette Bezel with Pave Dial and Diamonds Bracelet

Piaget Yellow Gold Baguette Bezel with Pave Dial and Diamonds Bracelet

$52,000 USD
 
Rolex - Rolex Steel Zenith Daytona Ref. 16520 with Original Warranty Paper - The Keystone Watches

Rolex Steel Zenith Daytona Ref. 16520 with Original Warranty Paper

Rolex Steel Zenith Daytona Ref. 16520 with Original Warranty Paper

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 5270 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 5270

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 5270

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Rolex - Rolex White Gold GMT-Master Ice Watch Ref. 116769 - The Keystone Watches

Rolex White Gold GMT-Master Ice Watch Ref. 116769

Rolex White Gold GMT-Master Ice Watch Ref. 116769

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Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5960 - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5960

Patek Philippe Platinum Chronograph Watch Ref. 5960

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

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5970

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5970

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

Patek Philippe Steel Nautilus Watch Ref. 5711 with Original Box and Papers

Patek Philippe Steel Nautilus Watch Ref. 5711 with Original Box and Papers

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

Patek Philippe Steel Nautilus Watch Ref. 5711 with Original Box and Papers

Patek Philippe Steel Nautilus Watch Ref. 5711 with Original Box and Papers

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Audemars Piguet - Audemars Piguet White Gold Royal Oak Ref. 15503 Limited Edition for Japan - The Keystone Watches

Audemars Piguet White Gold Royal Oak Ref. 15503 Limited Edition for Japan

Audemars Piguet White Gold Royal Oak Ref. 15503 Limited Edition for Japan

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Patek Philippe - Patek Philippe White Gold Sky Moon Tourbillon Watch Ref. 6002 - The Keystone Watches

Patek Philippe White Gold Sky Moon Tourbillon Watch Ref. 6002

Patek Philippe White Gold Sky Moon Tourbillon Watch Ref. 6002

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Patek Philippe - Patek Philippe White Gold Grand Master Chime Ref. 6300 - The Keystone Watches

Patek Philippe White Gold Grand Master Chime Ref. 6300

Patek Philippe White Gold Grand Master Chime Ref. 6300

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Patek Philippe Platinum Minute Repeater Perpetual Calendar Watch Ref. 5216

Patek Philippe Platinum Minute Repeater Perpetual Calendar Watch Ref. 5216

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Patek Philippe - Patek Philippe White Gold Pilot Watch Ref. 5524 - The Keystone Watches

Patek Philippe White Gold Pilot Watch Ref. 5524

Patek Philippe White Gold Pilot Watch Ref. 5524

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Patek Philippe - Patek Philippe White Gold World Time Chronograph Ref. 5930G - The Keystone Watches

Patek Philippe White Gold World Time Chronograph Ref. 5930G

Patek Philippe White Gold World Time Chronograph Ref. 5930G

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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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Patek Philippe - Patek Philippe Platinum Chronograph Watch Ref. 5070 - The Keystone Watches

Patek Philippe Platinum Chronograph Watch Ref. 5070

Patek Philippe Platinum Chronograph Watch Ref. 5070

Sold Out

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New Arrivals Preview
 
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
 
Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

Patek Philippe Rose Gold Calatrava Ref. 1471 (New Arrival)

$8,750 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
 
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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