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Audemars Piguet - Audemars Piguet Royal Oak Brown Dial A-Series Watch Ref. 5402 - The Keystone Watches

Audemars Piguet Royal Oak Brown Dial A-Series Watch Ref. 5402

Audemars Piguet Royal Oak Brown Dial A-Series Watch Ref. 5402

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Ulysse Nardin - Ulysse Nardin White Gold San Marco Cloisonne Dial Watch - The Keystone Watches

Ulysse Nardin White Gold San Marco Cloisonne Dial Watch

Ulysse Nardin White Gold San Marco Cloisonne Dial Watch

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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

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Audemars Piguet - Audemars Piguet Royal Oak Beta 21 Watch Ref. 6001, 1970s - The Keystone Watches

Audemars Piguet Royal Oak Beta 21 Watch Ref. 6001, 1970s

Audemars Piguet Royal Oak Beta 21 Watch Ref. 6001, 1970s

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270, in Unworn Condition - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270, in Unworn Condition

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270, in Unworn Condition

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Patek Philippe - Patek Philippe Platinum Minute Repeater Black Dial Watch Ref. 5078 - The Keystone Watches

Patek Philippe Platinum Minute Repeater Black Dial Watch Ref. 5078

Patek Philippe Platinum Minute Repeater Black Dial Watch Ref. 5078

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Audemars Piguet - Audemars Piguet Royal Oak Rare Early Blue Automatic Watch, Ref 15202 - The Keystone Watches

Audemars Piguet Royal Oak Rare Early Blue Automatic Watch, Ref 15202

Audemars Piguet Royal Oak Rare Early Blue Automatic Watch, Ref 15202

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Retrograde Watch Ref. 5159 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Retrograde Watch Ref. 5159

Patek Philippe White Gold Perpetual Calendar Retrograde Watch Ref. 5159

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Patek Philippe - Patek Philippe Yellow Gold Minute Repeater, Ref. 5079J - The Keystone Watches

Patek Philippe Yellow Gold Minute Repeater, Ref. 5079J

Patek Philippe Yellow Gold Minute Repeater, Ref. 5079J

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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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Daniel Roth - Daniel Roth Rose Gold Metropolitan World Time Watch - The Keystone Watches

Daniel Roth Rose Gold Metropolitan World Time Watch

Daniel Roth Rose Gold Metropolitan World Time Watch

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5013 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5013

Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5013

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Patek Philippe - Patek Philippe Platinum Monopusher Split Seconds Chrono Ref. 5959 - The Keystone Watches

Patek Philippe Platinum Monopusher Split Seconds Chrono Ref. 5959

Patek Philippe Platinum Monopusher Split Seconds Chrono Ref. 5959

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Patek Philippe - Patek Philippe White Gold Celestial Watch Ref. 5102, Unworn - The Keystone Watches

Patek Philippe White Gold Celestial Watch Ref. 5102, Unworn

Patek Philippe White Gold Celestial Watch Ref. 5102, Unworn

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Ref. 5041 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Ref. 5041

Patek Philippe White Gold Perpetual Calendar Ref. 5041

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Daniel Roth - Daniel Roth Tourbillon, Retrograde Skeleton, Chronograph, Three Watch Set - The Keystone Watches

Daniel Roth Tourbillon, Retrograde Skeleton, Chronograph, Three Watch Set

Daniel Roth Tourbillon, Retrograde Skeleton, Chronograph, Three Watch Set

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Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Diamond Watch - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Diamond Watch

Audemars Piguet Yellow Gold Royal Oak Diamond Watch

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Piaget - Piaget Yellow Gold Wide Bracelet Watch, 1960s - The Keystone Watches

Piaget Yellow Gold Wide Bracelet Watch, 1960s

Piaget Yellow Gold Wide Bracelet Watch, 1960s

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Patek Philippe - Patek Philippe White Gold Perpetual Hand-Engraved Watch Ref. 5160 - The Keystone Watches

Patek Philippe White Gold Perpetual Hand-Engraved Watch Ref. 5160

Patek Philippe White Gold Perpetual Hand-Engraved Watch Ref. 5160

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013

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Omega - Omega Speedmaster Automatic Chronograph Watch Ref. 3510.82 - The Keystone Watches

Omega Speedmaster Automatic Chronograph Watch Ref. 3510.82

Omega Speedmaster Automatic Chronograph Watch Ref. 3510.82

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Cartier - Cartier Platinum Tank Mechanical Watch - The Keystone Watches

Cartier Platinum Tank Mechanical Watch

Cartier Platinum Tank Mechanical Watch

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New Arrivals Preview
 
Piaget Yellow Gold Textured Bracelet Watch with Enamel Markers (New Arrival)

Piaget Yellow Gold Textured Bracelet Watch with Enamel Markers (New Arrival)

Piaget Yellow Gold Textured Bracelet Watch with Enamel Markers (New Arrival)

$22,000 USD
 
Rolex Yellow Gold Day-Date Ref. 228398TRU (New Arrival)

Rolex Yellow Gold Day-Date Ref. 228398TRU (New Arrival)

Rolex Yellow Gold Day-Date Ref. 228398TRU (New Arrival)

$315,000 USD
 
Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

$15,500 USD
 
Cartier Platinum Tank Louis Extra-Flat Watch (New Arrival)

Cartier Platinum Tank Louis Extra-Flat Watch (New Arrival)

Cartier Platinum Tank Louis Extra-Flat Watch (New Arrival)

$95,000 USD
 
Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

$9,200 USD
 
Patek Philippe Steel Sector Dial Pocket Watch, Circa 1921 (New Arrival)

Patek Philippe Steel Sector Dial Pocket Watch, Circa 1921 (New Arrival)

Patek Philippe Steel Sector Dial Pocket Watch, Circa 1921 (New Arrival)

$25,000 USD
 
Patek Philippe White Gold Ellipse Diamond Bracelet Ref. 4122 (New Arrival)

Patek Philippe White Gold Ellipse Diamond Bracelet Ref. 4122 (New Arrival)

Patek Philippe White Gold Ellipse Diamond Bracelet Ref. 4122 (New Arrival)

$46,000 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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