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Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 3970

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 5970 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 5970

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 5970 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Watch Ref. 5970

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

Patek Philippe Yellow Gold Perpetual Calendar First Series Watch Ref. 3940

Patek Philippe Yellow Gold Perpetual Calendar First Series Watch Ref. 3940

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

Patek Philippe Yellow Gold Perpetual Calendar Minute Repeater Ref. 5013

Patek Philippe Yellow Gold Perpetual Calendar Minute Repeater Ref. 5013

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Minute Repeater Watch Ref. 3974 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Minute Repeater Watch Ref. 3974

Patek Philippe Yellow Gold Perpetual Calendar Minute Repeater Watch Ref. 3974

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Pocket Watch - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Pocket Watch

Patek Philippe Yellow Gold Perpetual Calendar Pocket Watch

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Pocket Watch Ref. 725/2 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Pocket Watch Ref. 725/2

Patek Philippe Yellow Gold Perpetual Calendar Pocket Watch Ref. 725/2

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Ref. 3448 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3448

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3448

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Patek Philippe Yellow Gold Perpetual Calendar Ref. 3448 on a Bracelet

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3448 on a Bracelet

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3448 on a Bracelet

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

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940. Second Series Dial - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940. Second Series Dial

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3940. Second Series Dial

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

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3945

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3945

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Ref. 5039 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Ref. 5039

Patek Philippe Yellow Gold Perpetual Calendar Ref. 5039

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Patek Philippe Yellow Gold Perpetual Calendar Ref. 5040

Patek Philippe Yellow Gold Perpetual Calendar Ref. 5040

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Ref. 5040J - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Ref. 5040J

Patek Philippe Yellow Gold Perpetual Calendar Ref. 5040J

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Ref. 5970 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Ref. 5970

Patek Philippe Yellow Gold Perpetual Calendar Ref. 5970

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Retrograde Watch Ref. 5050 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Retrograde Watch Ref. 5050

Patek Philippe Yellow Gold Perpetual Calendar Retrograde Watch Ref. 5050

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

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

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

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

Patek Philippe Yellow Gold Perpetual Calendar Split Seconds Watch Ref. 5004J

Patek Philippe Yellow Gold Perpetual Calendar Split Seconds Watch Ref. 5004J

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Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 1518, Made in 1951

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 1518, Made in 1951

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 1518, Made in 1951

"Price upon request"
 
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 2497 Retailed by Gubelin, Second 2497 Produced

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 2497 Retailed by Gubelin, Second 2497 Produced

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 2497 Retailed by Gubelin, Second 2497 Produced

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New Arrivals Preview
 
Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

$29,500 USD
 
Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

$9,500 USD
 
Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

$17,500 USD
 
Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

$55,000 USD
 
Patek Philippe - Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival) - The Keystone Watches

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

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

$15,500 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
 
Cartier - Cartier Yellow Gold Enamel Clip Watch with Royal Thames Yacht Club Enamel Emblem (New Arrival) - The Keystone Watches

Cartier Yellow Gold Enamel Clip Watch with Royal Thames Yacht Club Enamel Emblem (New Arrival)

Cartier Yellow Gold Enamel Clip Watch with Royal Thames Yacht Club Enamel Emblem (New Arrival)

$35,000 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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