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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5270R - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5270R

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5270R

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Patek Philippe - Patek Philippe Stainless Steel Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Stainless Steel Nautilus Watch Ref. 3800

Patek Philippe Stainless Steel Nautilus Watch Ref. 3800

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Patek Philippe - Patek Philippe Annual Calendar Chronograph Watch Ref. 5960/1A - The Keystone Watches

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960/1A

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960/1A

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Patek Philippe - Patek Philippe White Gold Annual Calendar Watch Ref. 5146G - The Keystone Watches

Patek Philippe White Gold Annual Calendar Watch Ref. 5146G

Patek Philippe White Gold Annual Calendar Watch Ref. 5146G

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Retrograde Watch Ref. 5059 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Retrograde Watch Ref. 5059

Patek Philippe Rose Gold Perpetual Calendar Retrograde Watch Ref. 5059

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Split Seconds Chrono Watch Ref. 5004 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Split Seconds Chrono Watch Ref. 5004

Patek Philippe Yellow Gold Perpetual Split Seconds Chrono Watch Ref. 5004

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Patek Philippe - Patek Philippe Yellow Gold Starburst Beta Quartz Watch Ref. 3603 - The Keystone Watches

Patek Philippe Yellow Gold Starburst Beta Quartz Watch Ref. 3603

Patek Philippe Yellow Gold Starburst Beta Quartz Watch Ref. 3603

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

Patek Philippe Stainless Steel 150th Anniversary Watch Ref. 3718

Patek Philippe Stainless Steel 150th Anniversary Watch Ref. 3718

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Patek Philippe - Patek Philippe Rose Gold World Time Watch Ref. 5230 - The Keystone Watches

Patek Philippe Rose Gold World Time Watch Ref. 5230

Patek Philippe Rose Gold World Time Watch Ref. 5230

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Patek Philippe - Patek Philippe White Gold World Time Watch Ref. 5230 - The Keystone Watches

Patek Philippe White Gold World Time Watch Ref. 5230

Patek Philippe White Gold World Time Watch Ref. 5230

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Patek Philippe - Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235G - The Keystone Watches

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235G

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235G

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Patek Philippe - Patek Philippe Rose Gold 10-Day Power Reserve Watch Ref. 5100R - The Keystone Watches

Patek Philippe Rose Gold 10-Day Power Reserve Watch Ref. 5100R

Patek Philippe Rose Gold 10-Day Power Reserve Watch Ref. 5100R

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

Patek Philippe Steel Calatrava Ref. 3509 with Box and Papers

Patek Philippe Steel Calatrava Ref. 3509 with Box and Papers

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chrono Watch Ref. 5970P - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chrono Watch Ref. 5970P

Patek Philippe Platinum Perpetual Calendar Chrono Watch Ref. 5970P

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

Patek Philippe Stainless Steel Calatrava Watch Ref. 3466

Patek Philippe Stainless Steel Calatrava Watch Ref. 3466

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 3945 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 3945

Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 3945

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Patek Philippe - Patek Philippe Yellow Gold 2nd Series Perpetual Calendar Chrono Watch Ref. 3970 - The Keystone Watches

Patek Philippe Yellow Gold 2nd Series Perpetual Calendar Chrono Watch Ref. 3970

Patek Philippe Yellow Gold 2nd Series Perpetual Calendar Chrono Watch Ref. 3970

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Patek Philippe - Patek Philippe Two-Tone Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Two-Tone Nautilus Watch Ref. 3800

Patek Philippe Two-Tone Nautilus Watch Ref. 3800

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chrono Baguette Watch Ref. 3990 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chrono Baguette Watch Ref. 3990

Patek Philippe Yellow Gold Perpetual Calendar Chrono Baguette Watch Ref. 3990

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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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Patek Philippe - Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204 - The Keystone Watches

Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204

Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Watch Ref. 5035R - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5035R

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5035R

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Chrono Watch Ref. 5970 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Chrono Watch Ref. 5970

Patek Philippe Rose Gold Perpetual Calendar Chrono Watch Ref. 5970

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 570 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 570

Patek Philippe White Gold Calatrava Watch Ref. 570

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940J - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940J

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940J

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Patek Philippe - Patek Philippe Rose Gold Calatrava Retailed by Serpico y Laino Ref. 570 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Retailed by Serpico y Laino Ref. 570

Patek Philippe Rose Gold Calatrava Retailed by Serpico y Laino Ref. 570

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Automatic Watch Ref. 3514 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Automatic Watch Ref. 3514

Patek Philippe Yellow Gold Calatrava Automatic Watch Ref. 3514

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Patek Philippe - Patek Philippe White Gold Automatic Watch Ref. 3588/1 with Certificate - The Keystone Watches

Patek Philippe White Gold Automatic Watch Ref. 3588/1 with Certificate

Patek Philippe White Gold Automatic Watch Ref. 3588/1 with Certificate

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 570 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 570

Patek Philippe White Gold Calatrava Watch Ref. 570

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Patek Philippe - Patek Philippe Platinum and Gold Pocket Watch with Original Box and Papers - The Keystone Watches

Patek Philippe Platinum and Gold Pocket Watch with Original Box and Papers

Patek Philippe Platinum and Gold Pocket Watch with Original Box and Papers

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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 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 - Patek Philippe White Gold Rectangular Baguette Diamond Watch Ref. 3540 - The Keystone Watches

Patek Philippe White Gold Rectangular Baguette Diamond Watch Ref. 3540

Patek Philippe White Gold Rectangular Baguette Diamond Watch Ref. 3540

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Patek Philippe - Patek Philippe Platinum Minute Repeater Perpetual Calendar Watch Ref. 5216 - The Keystone Watches

Patek Philippe Platinum Minute Repeater Perpetual Calendar Watch Ref. 5216

Patek Philippe Platinum Minute Repeater Perpetual Calendar Watch Ref. 5216

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Patek Philippe - Patek Philippe White Gold Minute Repeating Perpetual Ref. 5213 - The Keystone Watches

Patek Philippe White Gold Minute Repeating Perpetual Ref. 5213

Patek Philippe White Gold Minute Repeating Perpetual Ref. 5213

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New Arrivals Preview
 
Rolex Rose Gold Mechanical Watch Retailed by Serpico y Laino (New Arrival)

Rolex Rose Gold Mechanical Watch Retailed by Serpico y Laino (New Arrival)

Rolex Rose Gold Mechanical Watch Retailed by Serpico y Laino (New Arrival)

$12,500 USD
 
Breguet Yellow Gold Classique Ref. 3150 (New Arrival)

Breguet Yellow Gold Classique Ref. 3150 (New Arrival)

Breguet Yellow Gold Classique Ref. 3150 (New Arrival)

$7,800 USD
 
Rolex White Gold Cellini Watch Ref. 4014/9 with Blue Dial (New Arrival)

Rolex White Gold Cellini Watch Ref. 4014/9 with Blue Dial (New Arrival)

Rolex White Gold Cellini Watch Ref. 4014/9 with Blue Dial (New Arrival)

$5,800 USD
 
Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival)

Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival)

Rolex Yellow Gold Cellini Watch Ref. 4014/8 with Orange Dial (New Arrival)

$7,500 USD
 
Rolex Yellow Gold Day-Date Watch Ref. 18078 with Bark Finish and Deep Blue Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 18078 with Bark Finish and Deep Blue Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 18078 with Bark Finish and Deep Blue Dial (New Arrival)

$18,750 USD
 
Rolex Two-Tone Oyster Perpetual Hooded Bubbleback Ref. 3065, Retailed by Bucherers (New Arrival)

Rolex Two-Tone Oyster Perpetual Hooded Bubbleback Ref. 3065, Retailed by Bucherers (New Arrival)

Rolex Two-Tone Oyster Perpetual Hooded Bubbleback Ref. 3065, Retailed by Bucherers (New Arrival)

$13,500 USD
 
Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

Rolex Steel Submariner Ref. 5513 with Pumkin Lume (New Arrival)

$15,500 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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