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Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Rare White Roman Numerals Dial - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Rare White Roman Numerals Dial

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 with Rare White Roman Numerals Dial

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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 - Patek Philippe Yellow Gold Nautilus Ref. 3800 with Original Warranty - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Ref. 3800 with Original Warranty

Patek Philippe Yellow Gold Nautilus Ref. 3800 with Original Warranty

Sold Out

 
Patek Philippe - Patek Philippe White Gold Calatrava Ref. 2592 - The Keystone Watches

Patek Philippe White Gold Calatrava Ref. 2592

Patek Philippe White Gold Calatrava Ref. 2592

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Patek Philippe - Patek Philippe White Gold Calatrava Ref. 3588 with Box and Papers - The Keystone Watches

Patek Philippe White Gold Calatrava Ref. 3588 with Box and Papers

Patek Philippe White Gold Calatrava Ref. 3588 with Box and Papers

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 3588 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 3588

Patek Philippe White Gold Calatrava Watch Ref. 3588

Sold Out

 

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

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

Sold Out

 
Patek Philippe - Patek Philippe Futuriste Pocket Watch Ref. 798 Designed by Gilbert Albert - The Keystone Watches

Patek Philippe Futuriste Pocket Watch Ref. 798 Designed by Gilbert Albert

Patek Philippe Futuriste Pocket Watch Ref. 798 Designed by Gilbert Albert

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Patek Philippe - Patek Philippe World Time White Gold Watch Ref. 5230 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe World Time White Gold Watch Ref. 5230 (NEW ARRIVAL)

Patek Philippe World Time White Gold Watch Ref. 5230 (NEW ARRIVAL)

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Patek Philippe - Patek Philippe Yellow Gold Bracelet Watch Ref. 3598 - The Keystone Watches

Patek Philippe Yellow Gold Bracelet Watch Ref. 3598

Patek Philippe Yellow Gold Bracelet Watch Ref. 3598

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Patek Philippe - Patek Philippe White Gold Lapis Watch Ref. 3578 - The Keystone Watches

Patek Philippe White Gold Lapis Watch Ref. 3578

Patek Philippe White Gold Lapis Watch Ref. 3578

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Patek Philippe - Patek Philippe White Gold Diamond Watch Ref. 4183 - The Keystone Watches

Patek Philippe White Gold Diamond Watch Ref. 4183

Patek Philippe White Gold Diamond Watch Ref. 4183

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Patek Philippe - Patek Philippe White Gold Watch Ref. 4286 with Onyx Dial - The Keystone Watches

Patek Philippe White Gold Watch Ref. 4286 with Onyx Dial

Patek Philippe White Gold Watch Ref. 4286 with Onyx Dial

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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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Patek Philippe - Patek Philippe White Gold Calatrava Ref. 3445 with Original Warranty and Hangtag (NEW ARRIVAL) - The Keystone Watches

Patek Philippe White Gold Calatrava Ref. 3445 with Original Warranty and Hangtag (NEW ARRIVAL)

Patek Philippe White Gold Calatrava Ref. 3445 with Original Warranty and Hangtag (NEW ARRIVAL)

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Patek Philippe - Patek Philippe Platinum Diamond Watch Ref. 3289, Retailed by Tiffany & Co. (NEW ARRIVAL) - The Keystone Watches

Patek Philippe Platinum Diamond Watch Ref. 3289, Retailed by Tiffany & Co. (NEW ARRIVAL)

Patek Philippe Platinum Diamond Watch Ref. 3289, Retailed by Tiffany & Co. (NEW ARRIVAL)

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Patek Philippe - Patek Philippe White Gold & Baguette Diamond Watch Ref. 3313 - The Keystone Watches

Patek Philippe White Gold & Baguette Diamond Watch Ref. 3313

Patek Philippe White Gold & Baguette Diamond Watch Ref. 3313

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Patek Philippe - Patek Philippe White Gold Auto Ref. 3591 with Box and Papers - The Keystone Watches

Patek Philippe White Gold Auto Ref. 3591 with Box and Papers

Patek Philippe White Gold Auto Ref. 3591 with Box and Papers

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 3445 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 3445 (NEW ARRIVAL)

Patek Philippe Yellow Gold Calatrava Watch Ref. 3445 (NEW ARRIVAL)

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Patek Philippe - Patek Philippe White Gold, Baguette Diamond and Onyx Watch Ref. 3625 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe White Gold, Baguette Diamond and Onyx Watch Ref. 3625 (NEW ARRIVAL)

Patek Philippe White Gold, Baguette Diamond and Onyx Watch Ref. 3625 (NEW ARRIVAL)

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Patek Philippe Yellow Gold Calatrava Ref. 3520 Retailed by Tiffany

Patek Philippe Yellow Gold Calatrava Ref. 3520 Retailed by Tiffany

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New Arrivals Preview
 
Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

$38,000 USD
 
Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

$30,000 USD
 
Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

$60,000 USD
 
Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

$58,000 USD
 
Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

$18,000 USD
 
Cartier Yellow Gold Tank Normale Bracelet Watch  Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

$36,000 USD
 
Cartier - Cartier Yellow Gold Tank Reverso (New Arrival) - The Keystone Watches

Cartier Yellow Gold Tank Reverso (New Arrival)

Cartier Yellow Gold Tank Reverso (New Arrival)

$34,500 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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