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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

Sold Out

 
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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Patek Philippe - Patek Philippe White Gold Automatic Calatrava Ref. 3514 - The Keystone Watches

Patek Philippe White Gold Automatic Calatrava Ref. 3514

Patek Philippe White Gold Automatic Calatrava Ref. 3514

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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 Aquanaut Travel Time Watch Ref. 5164 - The Keystone Watches

Patek Philippe Aquanaut Travel Time Watch Ref. 5164

Patek Philippe Aquanaut Travel Time Watch Ref. 5164

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Retrograde Watch Ref. 5059 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Retrograde Watch Ref. 5059

Patek Philippe Platinum Perpetual Calendar Retrograde Watch Ref. 5059

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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

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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 Yellow Gold Perpetual Calendar Pocket Watch - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Pocket Watch

Patek Philippe Yellow Gold Perpetual Calendar Pocket Watch

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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

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

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270

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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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Patek Philippe - Patek Philippe White Gold World Time Watch Ref. 5130, Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe White Gold World Time Watch Ref. 5130, Retailed by Tiffany & Co.

Patek Philippe White Gold World Time Watch Ref. 5130, Retailed by Tiffany & Co.

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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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Richard Mille - Richard Mille Chronograph Skeleton Felipe Massa Watch Ref. RM11 - The Keystone Watches

Richard Mille Chronograph Skeleton Felipe Massa Watch Ref. RM11

Richard Mille Chronograph Skeleton Felipe Massa Watch Ref. RM11

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Philippe Dufour - Philippe Dufour White Gold Simplicity Watch, with Original Box and Papers - The Keystone Watches

Philippe Dufour White Gold Simplicity Watch, with Original Box and Papers

Philippe Dufour White Gold Simplicity Watch, with Original Box and Papers

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

Patek Philippe White Gold Perpetual Calendar Chrono Watch Ref. 5970

Patek Philippe White Gold Perpetual Calendar Chrono Watch Ref. 5970

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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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Patek Philippe - Patek Philippe White Gold Ultra-Thin Calatrava Watch Ref. 3512 - The Keystone Watches

Patek Philippe White Gold Ultra-Thin Calatrava Watch Ref. 3512

Patek Philippe White Gold Ultra-Thin Calatrava Watch Ref. 3512

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Patek Philippe - Patek Philippe Steel Aquanaut Automatic Watch Ref. 5167 - The Keystone Watches

Patek Philippe Steel Aquanaut Automatic Watch Ref. 5167

Patek Philippe Steel Aquanaut Automatic Watch Ref. 5167

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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 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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FP Journe - F.P. Journe Platinum Tourbillon Souverain Dead Seconds Watch - The Keystone Watches

F.P. Journe Platinum Tourbillon Souverain Dead Seconds Watch

F.P. Journe Platinum Tourbillon Souverain Dead Seconds Watch

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

Patek Philippe Steel Aquanaut Jumbo Watch Ref. 5065

Patek Philippe Steel Aquanaut Jumbo Watch Ref. 5065

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Patek Philippe - Patek Philippe Aquanaut Automatic Watch Ref. 5066 with Original Box and Papers - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5066 with Original Box and Papers

Patek Philippe Aquanaut Automatic Watch Ref. 5066 with Original Box and Papers

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chrono Watch Ref. 5020 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chrono Watch Ref. 5020

Patek Philippe Yellow Gold Perpetual Calendar Chrono Watch Ref. 5020

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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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Patek Philippe - Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146 in Like New Condition - The Keystone Watches

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146 in Like New Condition

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146 in Like New Condition

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Celestial Watch Ref. 6102 - The Keystone Watches

Patek Philippe Rose Gold Celestial Watch Ref. 6102

Patek Philippe Rose Gold Celestial Watch Ref. 6102

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New Arrivals Preview
 
A. Lange & Sohne White Gold Lange 1 Ref. 101.039 (New Arrival)

A. Lange & Sohne White Gold Lange 1 Ref. 101.039 (New Arrival)

A. Lange & Sohne White Gold Lange 1 Ref. 101.039 (New Arrival)

$29,000 USD
 

Patek Philippe White Gold Golden Ellipse Watch Ref. 3644 on Chain JPE Band (New Arrival)

Patek Philippe White Gold Golden Ellipse Watch Ref. 3644 on Chain JPE Band (New Arrival)

$11,500 USD
 
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
 

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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