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Patek Philippe - Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990 - The Keystone Watches

Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990

Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990

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Patek Philippe - Patek Philippe Rose Gold Split Seconds Perpetual Calendar Chrono Ref. 5204 in Unworn Condition - The Keystone Watches

Patek Philippe Rose Gold Split Seconds Perpetual Calendar Chrono Ref. 5204 in Unworn Condition

Patek Philippe Rose Gold Split Seconds Perpetual Calendar Chrono Ref. 5204 in Unworn Condition

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Audemars Piguet - Audemars Piguet Royal Oak Offshore Navy Watch Ref. 26170 - The Keystone Watches

Audemars Piguet Royal Oak Offshore Navy Watch Ref. 26170

Audemars Piguet Royal Oak Offshore Navy Watch Ref. 26170

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Patek Philippe - Patek Philippe Rose Gold Calatrava Ref. 5196 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Ref. 5196

Patek Philippe Rose Gold Calatrava Ref. 5196

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

Audemars Piguet White Gold Slim Strap Watch

Audemars Piguet White Gold Slim Strap Watch

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Audemars Piguet - Audemars Piguet Steel Royal Oak Watch Ref. 15400 - The Keystone Watches

Audemars Piguet Steel Royal Oak Watch Ref. 15400

Audemars Piguet Steel Royal Oak Watch Ref. 15400

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Patek Philippe - Patek Philippe Yellow Gold Chronograph Ref. 5070 - The Keystone Watches

Patek Philippe Yellow Gold Chronograph Ref. 5070

Patek Philippe Yellow Gold Chronograph Ref. 5070

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

Patek Philippe Aquanaut Rose Gold on Strap Ref. 5167R

Patek Philippe Aquanaut Rose Gold on Strap Ref. 5167R

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

Patek Philippe Yellow Gold Chronograph Watch, Ref. 5170

Patek Philippe Yellow Gold Chronograph Watch, Ref. 5170

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Heuer - Heuer Two-Tone Jarama Chronograph Watch Ref. 110.245 - The Keystone Watches

Heuer Two-Tone Jarama Chronograph Watch Ref. 110.245

Heuer Two-Tone Jarama Chronograph Watch Ref. 110.245

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Patek Philippe - Patek Philippe Platinum World Time Watch Ref. 5110 - The Keystone Watches

Patek Philippe Platinum World Time Watch Ref. 5110

Patek Philippe Platinum World Time Watch Ref. 5110

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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

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Patek Philippe - Patek Philippe Whtie Gold Baguette Diamond Watch Ref. 3625 - The Keystone Watches

Patek Philippe Whtie Gold Baguette Diamond Watch Ref. 3625

Patek Philippe Whtie Gold Baguette Diamond Watch Ref. 3625

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Patek Philippe - Patek Philippe Steel Watch Ref. Ref. 3574 - The Keystone Watches

Patek Philippe Steel Watch Ref. Ref. 3574

Patek Philippe Steel Watch Ref. Ref. 3574

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Audemars Piguet - Audemars Piguet White Gold with Sapphires Skeleton Bracelet Watch - The Keystone Watches

Audemars Piguet White Gold with Sapphires Skeleton Bracelet Watch

Audemars Piguet White Gold with Sapphires Skeleton Bracelet Watch

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Audemars Piguet - Audemars Piguet Yellow Gold Skeletonized Diamond Watch - The Keystone Watches

Audemars Piguet Yellow Gold Skeletonized Diamond Watch

Audemars Piguet Yellow Gold Skeletonized Diamond Watch

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Audemars Piguet - Audemars Piguet Royal Oak Chronograph Watch Ref. 26320 - The Keystone Watches

Audemars Piguet Royal Oak Chronograph Watch Ref. 26320

Audemars Piguet Royal Oak Chronograph Watch Ref. 26320

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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

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Rolex - Rolex GMT-Master II Watch Ref. 16710 with Original Papers - The Keystone Watches

Rolex GMT-Master II Watch Ref. 16710 with Original Papers

Rolex GMT-Master II Watch Ref. 16710 with Original Papers

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Rolex - Rolex GMT-Master Root Beer Watch Ref. 16753 - The Keystone Watches

Rolex GMT-Master Root Beer Watch Ref. 16753

Rolex GMT-Master Root Beer Watch Ref. 16753

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Rolex - Rolex Yellow Gold Day-Date 40mm Baguette Diamond Watch Ref. 228238 - The Keystone Watches

Rolex Yellow Gold Day-Date 40mm Baguette Diamond Watch Ref. 228238

Rolex Yellow Gold Day-Date 40mm Baguette Diamond Watch Ref. 228238

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Rolex - Rolex Submariner Watch Ref. 5513 - The Keystone Watches

Rolex Submariner Watch Ref. 5513

Rolex Submariner Watch Ref. 5513

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Rolex - Rolex Yellow Gold Submariner Tropical Watch Ref. 16808 - The Keystone Watches

Rolex Yellow Gold Submariner Tropical Watch Ref. 16808

Rolex Yellow Gold Submariner Tropical Watch Ref. 16808

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Rolex - Rolex Submariner Watch Ref. 1680 - The Keystone Watches

Rolex Submariner Watch Ref. 1680

Rolex Submariner Watch Ref. 1680

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Patek Philippe - Patek Philippe Aquanaut Jumbo Watch Ref. 5167 - The Keystone Watches

Patek Philippe Aquanaut Jumbo Watch Ref. 5167

Patek Philippe Aquanaut Jumbo Watch Ref. 5167

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Patek Philippe - Patek Philippe Stainless Steel Pilot Watch Ref. 5522 - The Keystone Watches

Patek Philippe Stainless Steel Pilot Watch Ref. 5522

Patek Philippe Stainless Steel Pilot Watch Ref. 5522

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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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Patek Philippe - Patek Philippe Nautilus Jumbo Watch Ref. 5711 - The Keystone Watches

Patek Philippe Nautilus Jumbo Watch Ref. 5711

Patek Philippe Nautilus Jumbo Watch Ref. 5711

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Patek Philippe - Patek Philippe Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Nautilus Watch Ref. 3800

Patek Philippe Nautilus Watch Ref. 3800

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Patek Philippe - Patek Philippe Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Nautilus Watch Ref. 3800

Patek Philippe Nautilus Watch Ref. 3800

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Audemars Piguet - Audemars Piguet Steel Royal Oak Watch Ref. 15300 - The Keystone Watches

Audemars Piguet Steel Royal Oak Watch Ref. 15300

Audemars Piguet Steel Royal Oak Watch Ref. 15300

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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

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Audemars Piguet - Audemars Piguet Platinum Jump Hour Minute Repeater Watch Ref. 25723 - The Keystone Watches

Audemars Piguet Platinum Jump Hour Minute Repeater Watch Ref. 25723

Audemars Piguet Platinum Jump Hour Minute Repeater Watch Ref. 25723

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Breitling - Breitling Unitime 24 Hour GMT Watch Ref. 2610 - The Keystone Watches

Breitling Unitime 24 Hour GMT Watch Ref. 2610

Breitling Unitime 24 Hour GMT Watch Ref. 2610

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A. Lange & Sohne - A. Lange & Sohne Platinum Langematik Perpetual Watch Ref. 310.225 - The Keystone Watches

A. Lange & Sohne Platinum Langematik Perpetual Watch Ref. 310.225

A. Lange & Sohne Platinum Langematik Perpetual Watch Ref. 310.225

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Rolex - Rolex Cosmograph Daytona Diamond & Sapphire Watch Ref. 116599 - The Keystone Watches

Rolex Cosmograph Daytona Diamond & Sapphire Watch Ref. 116599

Rolex Cosmograph Daytona Diamond & Sapphire Watch Ref. 116599

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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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