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Tudor - Tudor Automatic Chrono-Time Watch Ref. 79260 - The Keystone Watches

Tudor Automatic Chrono-Time Watch Ref. 79260

Tudor Automatic Chrono-Time Watch Ref. 79260

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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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Rolex - Rolex GMT-Master II Error Dial Watch Ref. 16710 - The Keystone Watches

Rolex GMT-Master II Error Dial Watch Ref. 16710

Rolex GMT-Master II Error Dial Watch Ref. 16710

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Rolex - Rolex Submariner Flat IV Watch Ref. 16610 with Original Box and Papers - The Keystone Watches

Rolex Submariner Flat IV Watch Ref. 16610 with Original Box and Papers

Rolex Submariner Flat IV Watch Ref. 16610 with Original Box and Papers

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Patek Philippe - Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146 - The Keystone Watches

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146

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Patek Philippe - Patek Philippe Aquanaut Jumbo Watch Ref. 5065 with Original Box and Paper - The Keystone Watches

Patek Philippe Aquanaut Jumbo Watch Ref. 5065 with Original Box and Paper

Patek Philippe Aquanaut Jumbo Watch Ref. 5065 with Original Box and Paper

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

Patek Philippe White Gold Perpetual Watch Ref. 5320

Patek Philippe White Gold Perpetual Watch Ref. 5320

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Audemars Piguet - Audemars Piguet White Gold Millenary Pianoforte Diamond Watch Ref. 15326 - The Keystone Watches

Audemars Piguet White Gold Millenary Pianoforte Diamond Watch Ref. 15326

Audemars Piguet White Gold Millenary Pianoforte Diamond Watch Ref. 15326

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

Patek Philippe Rose Gold Nautilus Watch Ref. 5711

Patek Philippe Rose Gold Nautilus Watch Ref. 5711

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 5040 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5040

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5040

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Patek Philippe - Patek Philippe Platinum Perpetual Diamond Chrono Watch Ref. 5271 - The Keystone Watches

Patek Philippe Platinum Perpetual Diamond Chrono Watch Ref. 5271

Patek Philippe Platinum Perpetual Diamond Chrono Watch Ref. 5271

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

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

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

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Rolex - Rolex Yellow Gold Day-Date Watch Ref. 118208 - The Keystone Watches

Rolex Yellow Gold Day-Date Watch Ref. 118208

Rolex Yellow Gold Day-Date Watch Ref. 118208

Sold Out

 
Tudor - Tudor Chrono-Time Tiger Watch Ref. 79280 with Original Warranty Paper - The Keystone Watches

Tudor Chrono-Time Tiger Watch Ref. 79280 with Original Warranty Paper

Tudor Chrono-Time Tiger Watch Ref. 79280 with Original Warranty Paper

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Patek Philippe - Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

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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
 
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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