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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 Aquanaut Automatic Watch Ref. 5060, First Series Aquanaut with Original Paper - The Keystone Watches

Patek Philippe Aquanaut Automatic Watch Ref. 5060, First Series Aquanaut with Original Paper

Patek Philippe Aquanaut Automatic Watch Ref. 5060, First Series Aquanaut with Original Paper

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

Patek Philippe Aquanaut Watch Ref. 5065 with Original Box and Papers

Patek Philippe Aquanaut Watch Ref. 5065 with Original Box and Papers

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Patek Philippe - Patek Philippe Nautilus, Ref. 3800 with Original Paper and Hangtag - The Keystone Watches

Patek Philippe Nautilus, Ref. 3800 with Original Paper and Hangtag

Patek Philippe Nautilus, Ref. 3800 with Original Paper and Hangtag

Sold Out

 
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

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Patek Philippe - Patek Philippe Stainless Steel Calatrava Watch Ref. 5565 - The Keystone Watches

Patek Philippe Stainless Steel Calatrava Watch Ref. 5565

Patek Philippe Stainless Steel Calatrava Watch Ref. 5565

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Patek Philippe - Patek Philippe Pilot Calatrava Limited New York Edition Watch Ref. 5522 - The Keystone Watches

Patek Philippe Pilot Calatrava Limited New York Edition Watch Ref. 5522

Patek Philippe Pilot Calatrava Limited New York Edition Watch Ref. 5522

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

Patek Philippe Aquanaut Automatic Watch Ref. 5060, First Series Aquanaut

Patek Philippe Aquanaut Automatic Watch Ref. 5060, First Series Aquanaut

Sold Out

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

Patek Philippe Aquanaut Automatic Watch Watch Ref. 5060, First Series Aquanaut

Patek Philippe Aquanaut Automatic Watch Watch Ref. 5060, First Series Aquanaut

Sold Out

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

Patek Philippe Aquanaut Automatic Watch Ref. 5066

Patek Philippe Aquanaut Automatic Watch Ref. 5066

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Watch Ref. 5065 with Original Box, Papers, & Rubber Strap - The Keystone Watches

Patek Philippe Aquanaut Watch Ref. 5065 with Original Box, Papers, & Rubber Strap

Patek Philippe Aquanaut Watch Ref. 5065 with Original Box, Papers, & Rubber Strap

Sold Out

 
Patek Philippe - Patek Philippe Steel Pocket Watch - The Keystone Watches

Patek Philippe Steel Pocket Watch

Patek Philippe Steel Pocket Watch

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Patek Philippe - Patek Philippe Nautilis Watch, Ref. 3800 - The Keystone Watches

Patek Philippe Nautilis Watch, Ref. 3800

Patek Philippe Nautilis Watch, Ref. 3800

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Patek Philippe - Patek Philippe Nautilus Moonphase Watch Ref. 5712 - The Keystone Watches

Patek Philippe Nautilus Moonphase Watch Ref. 5712

Patek Philippe Nautilus Moonphase Watch Ref. 5712

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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 Nautilus White Dial Watch Ref. 3800 - The Keystone Watches

Patek Philippe Nautilus White Dial Watch Ref. 3800

Patek Philippe Nautilus White Dial Watch Ref. 3800

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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

Sold Out

 
Patek Philippe - Patek Philippe Nautilus Moonphase Watch Ref. 3712 with Original Box and Papers - The Keystone Watches

Patek Philippe Nautilus Moonphase Watch Ref. 3712 with Original Box and Papers

Patek Philippe Nautilus Moonphase Watch Ref. 3712 with Original Box and Papers

Sold Out

 
Patek Philippe - Patek Philippe Steel Calatrava Automatic Watch, Ref. 3466 - The Keystone Watches

Patek Philippe Steel Calatrava Automatic Watch, Ref. 3466

Patek Philippe Steel Calatrava Automatic Watch, Ref. 3466

Sold Out

 
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 Steel Sculpture Automatic Watch Ref. 5091 - The Keystone Watches

Patek Philippe Steel Sculpture Automatic Watch Ref. 5091

Patek Philippe Steel Sculpture Automatic Watch Ref. 5091

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Patek Philippe Neptune Salmon Dial Watch Ref. 5080

Patek Philippe Neptune Salmon Dial Watch Ref. 5080

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

Patek Philippe Aquanaut Automatic Watch Ref. 5066

Patek Philippe Aquanaut Automatic Watch Ref. 5066

Sold Out

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

Patek Philippe Aquanaut Automatic Watch Ref. 5167

Patek Philippe Aquanaut Automatic Watch Ref. 5167

Sold Out

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

Patek Philippe Nautlus Automatic Watch Ref. 3800

Patek Philippe Nautlus Automatic Watch Ref. 3800

Sold Out

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

Patek Philippe Aquanaut Jumbo Automatic Watch Ref. 5065

Patek Philippe Aquanaut Jumbo Automatic Watch Ref. 5065

Sold Out

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

Patek Philippe Aquanaut Jumbo Automatic Watch Ref. 5065

Patek Philippe Aquanaut Jumbo Automatic Watch Ref. 5065

Sold Out

 
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 Nautilus Jumbo Watch Ref. 3700 - The Keystone Watches

Patek Philippe Nautilus Jumbo Watch Ref. 3700

Patek Philippe Nautilus Jumbo Watch Ref. 3700

Sold Out

 
Patek Philippe - Patek Philippe Steel Calatrava Watch Ref. 3509 with Original Box and Papers - The Keystone Watches

Patek Philippe Steel Calatrava Watch Ref. 3509 with Original Box and Papers

Patek Philippe Steel Calatrava Watch Ref. 3509 with Original Box and Papers

Sold Out

 
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

Sold Out

 
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

Sold Out

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

Patek Philippe Aquanaut Automatic Watch Ref. 5066

Patek Philippe Aquanaut Automatic Watch Ref. 5066

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Blue Dial Watch Ref. 5066, Made for the Japanese Market - The Keystone Watches

Patek Philippe Aquanaut Blue Dial Watch Ref. 5066, Made for the Japanese Market

Patek Philippe Aquanaut Blue Dial Watch Ref. 5066, Made for the Japanese Market

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Blue Dial Watch Ref. 5066, Made for the Japanese Market - The Keystone Watches

Patek Philippe Aquanaut Blue Dial Watch Ref. 5066, Made for the Japanese Market

Patek Philippe Aquanaut Blue Dial Watch Ref. 5066, Made for the Japanese Market

Sold Out

 
Patek Philippe - Patek Philippe Nautilus Chronograph Watch Ref. 5990 - The Keystone Watches

Patek Philippe Nautilus Chronograph Watch Ref. 5990

Patek Philippe Nautilus Chronograph Watch Ref. 5990

Sold Out

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New Arrivals Preview
 
Piaget - Piaget White Gold Mechanical Bracelet Watch Ref. P10178 (New Arrival) - The Keystone Watches

Piaget White Gold Mechanical Bracelet Watch Ref. P10178 (New Arrival)

Piaget White Gold Mechanical Bracelet Watch Ref. P10178 (New Arrival)

$10,750 USD
 
Piaget - Piaget White Gold Watch Ref. 80131 (New Arrival) - The Keystone Watches

Piaget White Gold Watch Ref. 80131 (New Arrival)

Piaget White Gold Watch Ref. 80131 (New Arrival)

$9,500 USD
 
Omega - Omega Yellow Gold Automatic Watch Retailed by Turler (New Arrival) - The Keystone Watches

Omega Yellow Gold Automatic Watch Retailed by Turler (New Arrival)

Omega Yellow Gold Automatic Watch Retailed by Turler (New Arrival)

$4,950 USD
 
Breguet - Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL) - The Keystone Watches

Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL)

Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL)

$7,200 USD
 
Audemars Piguet - Audemars Piguet White Gold Round Watch with Beaded Bracelet and Pave Diamond and Sapphire Dial (New Arrival) - The Keystone Watches

Audemars Piguet White Gold Round Watch with Beaded Bracelet and Pave Diamond and Sapphire Dial (New Arrival)

Audemars Piguet White Gold Round Watch with Beaded Bracelet and Pave Diamond and Sapphire Dial (New Arrival)

$9,800 USD
 
Louis Vuitton - Louis Vuitton Green Ceramic Monterey II (New Arrival) - The Keystone Watches

Louis Vuitton Green Ceramic Monterey II (New Arrival)

Louis Vuitton Green Ceramic Monterey II (New Arrival)

$8,800 USD
 
Omega - Omega Yellow Gold Vintage Pocket Watch 1182.61 (New Arrival) - The Keystone Watches

Omega Yellow Gold Vintage Pocket Watch 1182.61 (New Arrival)

Omega Yellow Gold Vintage Pocket Watch 1182.61 (New Arrival)

$6,500 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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