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Patek Philippe - Patek Philippe Stainless Steel Pilot Watch Ref. 5522 Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Stainless Steel Pilot Watch Ref. 5522 Retailed by Tiffany & Co.

Patek Philippe Stainless Steel Pilot Watch Ref. 5522 Retailed by Tiffany & Co.

Sold Out

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

Patek Philippe Stainless Steel Pilot Watch Ref. 5522A

Patek Philippe Stainless Steel Pilot Watch Ref. 5522A

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

Patek Philippe Stainless Steel Watch Ref. 3574

Patek Philippe Stainless Steel Watch Ref. 3574

Sold Out

 
Patek Philippe - Patek Philippe Stainless Steel Waterproof Watch Ref. 3579 - The Keystone Watches

Patek Philippe Stainless Steel Waterproof Watch Ref. 3579

Patek Philippe Stainless Steel Waterproof Watch Ref. 3579

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Patek Philippe - Patek Philippe Steel 150th Anniversary Calatrava Watch Ref. 3718 - The Keystone Watches

Patek Philippe Steel 150th Anniversary Calatrava Watch Ref. 3718

Patek Philippe Steel 150th Anniversary Calatrava Watch Ref. 3718

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Patek Philippe - Patek Philippe Steel 1989 Anniversary Watch Ref. 3718 - The Keystone Watches

Patek Philippe Steel 1989 Anniversary Watch Ref. 3718

Patek Philippe Steel 1989 Anniversary Watch Ref. 3718

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Patek Philippe Steel 5711 First Serial 2006 Complete Retail Ready

Patek Philippe Steel 5711 First Serial 2006 Complete Retail Ready

Patek Philippe Steel 5711 First Serial 2006 Complete Retail Ready

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Patek Philippe - Patek Philippe Steel Annual Calendar Chronograph Ref. 5960 - The Keystone Watches

Patek Philippe Steel Annual Calendar Chronograph Ref. 5960

Patek Philippe Steel Annual Calendar Chronograph Ref. 5960

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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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Patek Philippe - Patek Philippe Steel Aquanaut Blue Watch Ref. 4960, Made for the Japanese Market - The Keystone Watches

Patek Philippe Steel Aquanaut Blue Watch Ref. 4960, Made for the Japanese Market

Patek Philippe Steel Aquanaut Blue Watch Ref. 4960, Made for the Japanese Market

Sold Out

 

Patek Philippe Steel Aquanaut First Series Watch Ref. 5060

Patek Philippe Steel Aquanaut First Series Watch Ref. 5060

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Patek Philippe - Patek Philippe Steel Aquanaut First Series Watch Ref. 5060 - The Keystone Watches

Patek Philippe Steel Aquanaut First Series Watch Ref. 5060

Patek Philippe Steel Aquanaut First Series Watch Ref. 5060

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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 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 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 Steel Aquanaut Jumbo Watch Ref. 5065 with Box and Papers - The Keystone Watches

Patek Philippe Steel Aquanaut Jumbo Watch Ref. 5065 with Box and Papers

Patek Philippe Steel Aquanaut Jumbo Watch Ref. 5065 with Box and Papers

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Patek Philippe - Patek Philippe Steel Aquanaut Jumbo Watch Ref. 5167/1a - The Keystone Watches

Patek Philippe Steel Aquanaut Jumbo Watch Ref. 5167/1a

Patek Philippe Steel Aquanaut Jumbo Watch Ref. 5167/1a

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Patek Philippe - Patek Philippe Steel Aquanaut Ref 5065 - The Keystone Watches

Patek Philippe Steel Aquanaut Ref 5065

Patek Philippe Steel Aquanaut Ref 5065

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Patek Philippe - PATEK PHILIPPE STEEL AQUANAUT REF 5065 - The Keystone Watches

PATEK PHILIPPE STEEL AQUANAUT REF 5065

PATEK PHILIPPE STEEL AQUANAUT REF 5065

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Patek Philippe Steel Aquanaut Ref. 4960 for Japan Market

Patek Philippe Steel Aquanaut Ref. 4960 for Japan Market

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Patek Philippe - Patek Philippe Steel Aquanaut Ref. 5060 with Box and Papers - The Keystone Watches

Patek Philippe Steel Aquanaut Ref. 5060 with Box and Papers

Patek Philippe Steel Aquanaut Ref. 5060 with Box and Papers

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Patek Philippe Steel Aquanaut Ref. 5060 with Original Papers

Patek Philippe Steel Aquanaut Ref. 5060 with Original Papers

Patek Philippe Steel Aquanaut Ref. 5060 with Original Papers

$46,500 USD
 
Patek Philippe - Patek Philippe Steel Aquanaut Ref. 5065 - The Keystone Watches

Patek Philippe Steel Aquanaut Ref. 5065

Patek Philippe Steel Aquanaut Ref. 5065

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Patek Philippe - Patek Philippe Steel Aquanaut Ref. 5065 (New Arrival) - The Keystone Watches

Patek Philippe Steel Aquanaut Ref. 5065 (New Arrival)

Patek Philippe Steel Aquanaut Ref. 5065 (New Arrival)

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Patek Philippe Steel Aquanaut Ref. 5066

Patek Philippe Steel Aquanaut Ref. 5066

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Patek Philippe Steel Aquanaut Ref. 5066

Patek Philippe Steel Aquanaut Ref. 5066

Patek Philippe Steel Aquanaut Ref. 5066

$39,000 USD
 
Patek Philippe - Patek Philippe Steel Aquanaut Ref. 5066 with Box and Papers (New Arrival) - The Keystone Watches

Patek Philippe Steel Aquanaut Ref. 5066 with Box and Papers (New Arrival)

Patek Philippe Steel Aquanaut Ref. 5066 with Box and Papers (New Arrival)

Sold Out

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

Patek Philippe Steel Aquanaut Ref. 5167

Patek Philippe Steel Aquanaut Ref. 5167

Sold Out

 
Patek Philippe - Patek Philippe Steel Aquanaut Watch Ref. 5066 - The Keystone Watches

Patek Philippe Steel Aquanaut Watch Ref. 5066

Patek Philippe Steel Aquanaut Watch Ref. 5066

Sold Out

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

Patek Philippe Steel Aquanaut Watch Ref. 5167

Patek Philippe Steel Aquanaut Watch Ref. 5167

Sold Out

 
Patek Philippe - Patek Philippe Steel Aquanaut Watch Ref. 5167 with Original Box and Papers - The Keystone Watches

Patek Philippe Steel Aquanaut Watch Ref. 5167 with Original Box and Papers

Patek Philippe Steel Aquanaut Watch Ref. 5167 with Original Box and Papers

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Patek Philippe - Patek Philippe Steel Automatic Backwinbd Watch Ref. 3580 with Bracelet and Papers - The Keystone Watches

Patek Philippe Steel Automatic Backwinbd Watch Ref. 3580 with Bracelet and Papers

Patek Philippe Steel Automatic Backwinbd Watch Ref. 3580 with Bracelet and Papers

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Patek Philippe - Patek Philippe Steel Automatic Backwind Ref. 3580 - The Keystone Watches

Patek Philippe Steel Automatic Backwind Ref. 3580

Patek Philippe Steel Automatic Backwind Ref. 3580

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Patek Philippe - Patek Philippe Steel Automatic Backwind UFO Watch Ref. 3580 - The Keystone Watches

Patek Philippe Steel Automatic Backwind UFO Watch Ref. 3580

Patek Philippe Steel Automatic Backwind UFO Watch Ref. 3580

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Patek Philippe - Patek Philippe Steel Automatic Watch Ref. 3580 - The Keystone Watches

Patek Philippe Steel Automatic Watch Ref. 3580

Patek Philippe Steel Automatic Watch Ref. 3580

Sold Out

 
Patek Philippe - Patek Philippe Steel Automatic Watch Ref. 3580 - The Keystone Watches

Patek Philippe Steel Automatic Watch Ref. 3580

Patek Philippe Steel Automatic Watch Ref. 3580

Sold Out

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New Arrivals Preview
 
Patek Philippe 565 Retailed by Hausmann & Co. (New Arrival)

Patek Philippe 565 Retailed by Hausmann & Co. (New Arrival)

Patek Philippe 565 Retailed by Hausmann & Co. (New Arrival)

$105,000 USD
 
Cartier Yellow Gold Tonneau Watch, Paris 1991 (New Arrival)

Cartier Yellow Gold Tonneau Watch, Paris 1991 (New Arrival)

Cartier Yellow Gold Tonneau Watch, Paris 1991 (New Arrival)

$11,500 USD
 
Audemars Piguet White Gold Diamond & Sapphire Watch Ref. 14781 with Original Warranty (New Arrival)

Audemars Piguet White Gold Diamond & Sapphire Watch Ref. 14781 with Original Warranty (New Arrival)

Audemars Piguet White Gold Diamond & Sapphire Watch Ref. 14781 with Original Warranty (New Arrival)

$58,000 USD
 
Rolex - Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival) - The Keystone Watches

Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival)

Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival)

$15,500 USD
 
Rolex White Gold Cellini Ref. 4083 (New Arrival)

Rolex White Gold Cellini Ref. 4083 (New Arrival)

Rolex White Gold Cellini Ref. 4083 (New Arrival)

$4,500 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
 
Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

$15,000 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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