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Patek Philippe - Patek Philippe Aquanaut Rose Gold on Strap Ref. 5167R - The Keystone Watches

Patek Philippe Aquanaut Rose Gold on Strap Ref. 5167R

Patek Philippe Aquanaut Rose Gold on Strap Ref. 5167R

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Steel Blue Ref. 5066/1a - The Keystone Watches

Patek Philippe Aquanaut Steel Blue Ref. 5066/1a

Patek Philippe Aquanaut Steel Blue Ref. 5066/1a

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Patek Philippe - Patek Philippe Aquanaut Tiffany & Co Watch Ref. 5167 - The Keystone Watches

Patek Philippe Aquanaut Tiffany & Co Watch Ref. 5167

Patek Philippe Aquanaut Tiffany & Co Watch Ref. 5167

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Patek Philippe - Patek Philippe Aquanaut Tiffany & Co Watch Ref. 5167 - The Keystone Watches

Patek Philippe Aquanaut Tiffany & Co Watch Ref. 5167

Patek Philippe Aquanaut Tiffany & Co Watch Ref. 5167

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 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

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

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

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

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Travel Time Watch Ref. 5164a - The Keystone Watches

Patek Philippe Aquanaut Travel Time Watch Ref. 5164a

Patek Philippe Aquanaut Travel Time Watch Ref. 5164a

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Travel Time Watch Ref. 5164a - The Keystone Watches

Patek Philippe Aquanaut Travel Time Watch Ref. 5164a

Patek Philippe Aquanaut Travel Time Watch Ref. 5164a

Sold Out

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

Patek Philippe Aquanaut Watch Ref. 5065

Patek Philippe Aquanaut Watch Ref. 5065

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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 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 Aquanaut Watch Ref. 5165 - The Keystone Watches

Patek Philippe Aquanaut Watch Ref. 5165

Patek Philippe Aquanaut Watch Ref. 5165

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

Patek Philippe Automatic Watch Ref. 3580

Patek Philippe Automatic Watch Ref. 3580

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Patek Philippe - Patek Philippe Calatrava Handicraft New York Jazz Edition Watch Ref. 5089 in Unworn Condition - The Keystone Watches

Patek Philippe Calatrava Handicraft New York Jazz Edition Watch Ref. 5089 in Unworn Condition

Patek Philippe Calatrava Handicraft New York Jazz Edition Watch Ref. 5089 in Unworn Condition

Sold Out

 
Patek Philippe - Patek Philippe Calatrava Pilot Travel Time Ref. 5524G - The Keystone Watches

Patek Philippe Calatrava Pilot Travel Time Ref. 5524G

Patek Philippe Calatrava Pilot Travel Time Ref. 5524G

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Patek Philippe - Patek Philippe Calatrava Rose Gold Ref. 3425R - The Keystone Watches

Patek Philippe Calatrava Rose Gold Ref. 3425R

Patek Philippe Calatrava Rose Gold Ref. 3425R

Sold Out

 

Patek Philippe Calatrava Watch Ref. 3483

Patek Philippe Calatrava Watch Ref. 3483

$22,000 USD
 
Patek Philippe - Patek Philippe Calatrava White Gold on Strap Ref. 3893 - The Keystone Watches

Patek Philippe Calatrava White Gold on Strap Ref. 3893

Patek Philippe Calatrava White Gold on Strap Ref. 3893

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Patek Philippe - Patek Philippe Calatrava White Gold Ref. 570 with Tropical Dial - The Keystone Watches

Patek Philippe Calatrava White Gold Ref. 570 with Tropical Dial

Patek Philippe Calatrava White Gold Ref. 570 with Tropical Dial

Sold Out

 
Patek Philippe - Patek Philippe Chronometro Gondolo 24 Hour Pocket Watch - The Keystone Watches

Patek Philippe Chronometro Gondolo 24 Hour Pocket Watch

Patek Philippe Chronometro Gondolo 24 Hour Pocket Watch

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Patek Philippe - Patek Philippe Complications White Gold Annual Calendar Watch Ref. 5205 - The Keystone Watches

Patek Philippe Complications White Gold Annual Calendar Watch Ref. 5205

Patek Philippe Complications White Gold Annual Calendar Watch Ref. 5205

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Patek Philippe - Patek Philippe Diamond Cover Watch Ref. 3006 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe Diamond Cover Watch Ref. 3006 (NEW ARRIVAL)

Patek Philippe Diamond Cover Watch Ref. 3006 (NEW ARRIVAL)

Sold Out

 

Patek Philippe Ellipse Blue Cufflinks and Tie Clip Set (Objet)

Patek Philippe Ellipse Blue Cufflinks and Tie Clip Set (Objet)

$7,500 USD
 
Patek Philippe - Patek Philippe Ellipse Ref. 3848 - The Keystone Watches

Patek Philippe Ellipse Ref. 3848

Patek Philippe Ellipse Ref. 3848

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Patek Philippe - Patek Philippe Ellipse Skeleton - The Keystone Watches

Patek Philippe Ellipse Skeleton

Patek Philippe Ellipse Skeleton

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Patek Philippe - Patek Philippe Ellipse White Gold Retailed by Gubelin Ref. 3589 - The Keystone Watches

Patek Philippe Ellipse White Gold Retailed by Gubelin Ref. 3589

Patek Philippe Ellipse White Gold Retailed by Gubelin Ref. 3589

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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 Gilbert Albert Diamond Cover Watch Ref. 3266 (Private Sale)

Patek Philippe Gilbert Albert Diamond Cover Watch Ref. 3266 (Private Sale)

"Price upon request"
 
Patek Philippe - Patek Philippe Grand Complication Blue Dial Ref. 6002 - The Keystone Watches

Patek Philippe Grand Complication Blue Dial Ref. 6002

Patek Philippe Grand Complication Blue Dial Ref. 6002

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Patek Philippe - Patek Philippe Minute Repeater Enamel Diamond Watch Ref. 7040 - The Keystone Watches

Patek Philippe Minute Repeater Enamel Diamond Watch Ref. 7040

Patek Philippe Minute Repeater Enamel Diamond Watch Ref. 7040

$500,000 USD
 
Patek Philippe - Patek Philippe Nautilis Watch, Ref. 3800 - The Keystone Watches

Patek Philippe Nautilis Watch, Ref. 3800

Patek Philippe Nautilis Watch, Ref. 3800

Sold Out

 
Patek Philippe - Patek Philippe Nautilus Annual Calendar Watch Ref. 5726 - The Keystone Watches

Patek Philippe Nautilus Annual Calendar Watch Ref. 5726

Patek Philippe Nautilus Annual Calendar Watch Ref. 5726

Sold Out

 
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

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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