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Patek Philippe - Patek Philippe Two-Tone Nautilus Automatic Watch Ref. 3800 - The Keystone Watches

Patek Philippe Two-Tone Nautilus Automatic Watch Ref. 3800

Patek Philippe Two-Tone Nautilus Automatic Watch Ref. 3800

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

Patek Philippe Nautilus Automatic Watch Ref. 3800

Patek Philippe Nautilus Automatic Watch Ref. 3800

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Rolex - Rolex Yellow Gold Daytona MOP Zenith Watch Ref. 16518 - The Keystone Watches

Rolex Yellow Gold Daytona MOP Zenith Watch Ref. 16518

Rolex Yellow Gold Daytona MOP Zenith Watch Ref. 16518

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Rolex - Rolex Yellow Gold Cosmograph Daytona Watch Ref. 116518 - The Keystone Watches

Rolex Yellow Gold Cosmograph Daytona Watch Ref. 116518

Rolex Yellow Gold Cosmograph Daytona Watch Ref. 116518

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Rolex - Rolex White Gold Cosmograph Daytona Sodalite Watch Ref. 116519 - The Keystone Watches

Rolex White Gold Cosmograph Daytona Sodalite Watch Ref. 116519

Rolex White Gold Cosmograph Daytona Sodalite Watch Ref. 116519

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Rolex - Rolex Yellow Gold Day-Date Onyx Dial Watch, with Original Box and Papers - The Keystone Watches

Rolex Yellow Gold Day-Date Onyx Dial Watch, with Original Box and Papers

Rolex Yellow Gold Day-Date Onyx Dial Watch, with Original Box and Papers

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Audemars Piguet - Audemars Piguet Royal Oak Ultra-Thin Perpetual Calendar Watch - The Keystone Watches

Audemars Piguet Royal Oak Ultra-Thin Perpetual Calendar Watch

Audemars Piguet Royal Oak Ultra-Thin Perpetual Calendar Watch

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Omega - Omega Steel Speedmaster Chronograph Watch Ref. 2998 - The Keystone Watches

Omega Steel Speedmaster Chronograph Watch Ref. 2998

Omega Steel Speedmaster Chronograph Watch Ref. 2998

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Rolex - Rolex Sea-Dweller Watch Ref. 16660, with Original Warranty Paper - The Keystone Watches

Rolex Sea-Dweller Watch Ref. 16660, with Original Warranty Paper

Rolex Sea-Dweller Watch Ref. 16660, with Original Warranty Paper

Sold Out

 
Rolex - Rolex White Gold King Midas Diamond Watch Ref. 4609 - The Keystone Watches

Rolex White Gold King Midas Diamond Watch Ref. 4609

Rolex White Gold King Midas Diamond Watch Ref. 4609

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Patek Philippe - Patek Philippe White Gold Nautilus Watch Ref. 5719 - The Keystone Watches

Patek Philippe White Gold Nautilus Watch Ref. 5719

Patek Philippe White Gold Nautilus Watch Ref. 5719

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Audemars Piguet - Audemars Piguet Yellow Gold Jumbo Royal Oak Anniversary Watch Ref. 14802 - The Keystone Watches

Audemars Piguet Yellow Gold Jumbo Royal Oak Anniversary Watch Ref. 14802

Audemars Piguet Yellow Gold Jumbo Royal Oak Anniversary Watch Ref. 14802

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Audemars Piguet - Audemars Piguet Royal Oak Jumbo B-Series Watch Ref. 5402 - The Keystone Watches

Audemars Piguet Royal Oak Jumbo B-Series Watch Ref. 5402

Audemars Piguet Royal Oak Jumbo B-Series Watch Ref. 5402

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Rolex - Rolex White Gold Zenith Daytona Watch Ref. 16519 - The Keystone Watches

Rolex White Gold Zenith Daytona Watch Ref. 16519

Rolex White Gold Zenith Daytona Watch Ref. 16519

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

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

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

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Rolex - Rolex White Gold Yacht-Master 42 Watch Ref. 226659 - The Keystone Watches

Rolex White Gold Yacht-Master 42 Watch Ref. 226659

Rolex White Gold Yacht-Master 42 Watch Ref. 226659

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Patek Philippe - Patek Philippe White Gold Nautilus Diamond Watch Ref. 3800 - The Keystone Watches

Patek Philippe White Gold Nautilus Diamond Watch Ref. 3800

Patek Philippe White Gold Nautilus Diamond Watch Ref. 3800

Sold Out

 
Audemars Piguet - Audemars Piguet Early Steel Royal Oak, Ref. 4100 - The Keystone Watches

Audemars Piguet Early Steel Royal Oak, Ref. 4100

Audemars Piguet Early Steel Royal Oak, Ref. 4100

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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, with Original Box and Papers - The Keystone Watches

Patek Philippe Nautilus Watch Ref. 3800, with Original Box and Papers

Patek Philippe Nautilus Watch Ref. 3800, with Original Box and Papers

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 5740 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5740

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5740

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Audemars Piguet - Audemars Piguet Yellow Gold Chronograph Watch, Ref. 26320 - The Keystone Watches

Audemars Piguet Yellow Gold Chronograph Watch, Ref. 26320

Audemars Piguet Yellow Gold Chronograph Watch, Ref. 26320

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Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Offshore Alinghi Watch - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Offshore Alinghi Watch

Audemars Piguet Rose Gold Royal Oak Offshore Alinghi Watch

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Audemars Piguet - Audemars Piguet Carbon Fiber Royal Oak Offshore Alinghi Watch - The Keystone Watches

Audemars Piguet Carbon Fiber Royal Oak Offshore Alinghi Watch

Audemars Piguet Carbon Fiber Royal Oak Offshore Alinghi Watch

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Audemars Piguet - Audemars Piguet Royal Oak Offshore Diver Chronograph Watch - The Keystone Watches

Audemars Piguet Royal Oak Offshore Diver Chronograph Watch

Audemars Piguet Royal Oak Offshore Diver Chronograph Watch

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Rolex - Rolex White Gold Day-Date Wood Dial Watch Ref. 18039 - The Keystone Watches

Rolex White Gold Day-Date Wood Dial Watch Ref. 18039

Rolex White Gold Day-Date Wood Dial Watch Ref. 18039

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

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

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

Sold Out

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

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Moonphase Watch - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Moonphase Watch

Audemars Piguet Yellow Gold Royal Oak Moonphase Watch

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Patek Philippe - Patek Philippe Yellow Gold Nautilus Diamond Watch with Original Box and Papers - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Diamond Watch with Original Box and Papers

Patek Philippe Yellow Gold Nautilus Diamond Watch with Original Box and Papers

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Audemars Piguet - Audemars Piguet Royal Oak Tourbillon Extra-Thin Ref. 26510 - The Keystone Watches

Audemars Piguet Royal Oak Tourbillon Extra-Thin Ref. 26510

Audemars Piguet Royal Oak Tourbillon Extra-Thin Ref. 26510

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Diamond Watch - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Diamond Watch

Audemars Piguet Yellow Gold Royal Oak Diamond Watch

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Audemars Piguet - Audemars Piguet Royal Oak Jumbo First Series Watch Ref. 15202 - The Keystone Watches

Audemars Piguet Royal Oak Jumbo First Series Watch Ref. 15202

Audemars Piguet Royal Oak Jumbo First Series Watch Ref. 15202

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Patek Philippe - Patek Philippe Rose Gold Nautilus Diamond Watch Ref. 5724, Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Rose Gold Nautilus Diamond Watch Ref. 5724, Retailed by Tiffany & Co.

Patek Philippe Rose Gold Nautilus Diamond Watch Ref. 5724, Retailed by Tiffany & Co.

Sold Out

 
Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Jumbo Extra-Thin Watch Ref. 15202 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Jumbo Extra-Thin Watch Ref. 15202

Audemars Piguet Yellow Gold Royal Oak Jumbo Extra-Thin Watch Ref. 15202

Sold Out

 
Rolex - Rolex Platinum Cosmograph Daytona Watch Ref. 116576 - The Keystone Watches

Rolex Platinum Cosmograph Daytona Watch Ref. 116576

Rolex Platinum Cosmograph Daytona Watch Ref. 116576

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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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