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

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940

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

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940

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

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940

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

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940

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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 Yellow Gold Perpetual Calendar Watch Ref. 3945

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3945

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

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 5140

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 5140

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

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 5140

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 5140

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

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 5140

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 5140

Sold Out

 

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 5140

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 5140

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Watch, Ref. 5136 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Watch, Ref. 5136

Patek Philippe Yellow Gold Perpetual Calendar Watch, Ref. 5136

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

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

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

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

Patek Philippe Yellow Gold Perpetual Retrograde Grey Dial Watch Ref. 5050

Patek Philippe Yellow Gold Perpetual Retrograde Grey Dial Watch Ref. 5050

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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 Pocket Watch - The Keystone Watches

Patek Philippe Yellow Gold Pocket Watch

Patek Philippe Yellow Gold Pocket Watch

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

Patek Philippe Yellow Gold Pocket Watch

Patek Philippe Yellow Gold Pocket Watch

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Patek Philippe Yellow Gold Pocket Watch Minute Repeater, Circa 1905

Patek Philippe Yellow Gold Pocket Watch Minute Repeater, Circa 1905

$28,000 USD
 

Patek Philippe Yellow Gold Pocket Watch Ref. 652 Retailed by Tiffany & Co.

Patek Philippe Yellow Gold Pocket Watch Ref. 652 Retailed by Tiffany & Co.

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Patek Philippe - Patek Philippe Yellow Gold Pocket Watch Ref. 652 with Breguet Numerals Retailed by Tiffany & Co. Ref. 652/1 - The Keystone Watches

Patek Philippe Yellow Gold Pocket Watch Ref. 652 with Breguet Numerals Retailed by Tiffany & Co. Ref. 652/1

Patek Philippe Yellow Gold Pocket Watch Ref. 652 with Breguet Numerals Retailed by Tiffany & Co. Ref. 652/1

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Patek Philippe Yellow Gold Pocket Watch Ref. 763

Patek Philippe Yellow Gold Pocket Watch Ref. 763

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Patek Philippe - Patek Philippe Yellow Gold Pocket Watch Ref. 783 - The Keystone Watches

Patek Philippe Yellow Gold Pocket Watch Ref. 783

Patek Philippe Yellow Gold Pocket Watch Ref. 783

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Patek Philippe - Patek Philippe Yellow Gold Pocket Watch with Guilloche Dial - The Keystone Watches

Patek Philippe Yellow Gold Pocket Watch with Guilloche Dial

Patek Philippe Yellow Gold Pocket Watch with Guilloche Dial

$9,750 USD
 
Patek Philippe - Patek Philippe Yellow Gold Pocket Watch with Original Paperwork - The Keystone Watches

Patek Philippe Yellow Gold Pocket Watch with Original Paperwork

Patek Philippe Yellow Gold Pocket Watch with Original Paperwork

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Patek Philippe - Patek Philippe Yellow Gold Rectangular Tank Watch Ref. 425 - The Keystone Watches

Patek Philippe Yellow Gold Rectangular Tank Watch Ref. 425

Patek Philippe Yellow Gold Rectangular Tank Watch Ref. 425

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Patek Philippe - Patek Philippe Yellow Gold Rectangular Watch Ref. 10 with Remarkable Engraving Details - The Keystone Watches

Patek Philippe Yellow Gold Rectangular Watch Ref. 10 with Remarkable Engraving Details

Patek Philippe Yellow Gold Rectangular Watch Ref. 10 with Remarkable Engraving Details

$50,000 USD
 
Patek Philippe - Patek Philippe Yellow Gold Rectangular Watch Ref. 2415 - The Keystone Watches

Patek Philippe Yellow Gold Rectangular Watch Ref. 2415

Patek Philippe Yellow Gold Rectangular Watch Ref. 2415

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Patek Philippe - Patek Philippe Yellow Gold Rectangular Watch Ref. 425 - The Keystone Watches

Patek Philippe Yellow Gold Rectangular Watch Ref. 425

Patek Philippe Yellow Gold Rectangular Watch Ref. 425

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Patek Philippe - Patek Philippe Yellow Gold Ref. 3604 Retailed by Gubelin - The Keystone Watches

Patek Philippe Yellow Gold Ref. 3604 Retailed by Gubelin

Patek Philippe Yellow Gold Ref. 3604 Retailed by Gubelin

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Patek Philippe - Patek Philippe Yellow Gold Ref. 425, with U.S.A. Boxing Provenance - The Keystone Watches

Patek Philippe Yellow Gold Ref. 425, with U.S.A. Boxing Provenance

Patek Philippe Yellow Gold Ref. 425, with U.S.A. Boxing Provenance

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Patek Philippe Yellow Gold Skeleton Watch Ref. 3883

Patek Philippe Yellow Gold Skeleton Watch Ref. 3883

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Patek Philippe - Patek Philippe Yellow Gold Skeletonized Enamel Watch Ref. 3885 - The Keystone Watches

Patek Philippe Yellow Gold Skeletonized Enamel Watch Ref. 3885

Patek Philippe Yellow Gold Skeletonized Enamel Watch Ref. 3885

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Patek Philippe - Patek Philippe Yellow Gold Skeletonized Enamel Watch Ref. 3885 - The Keystone Watches

Patek Philippe Yellow Gold Skeletonized Enamel Watch Ref. 3885

Patek Philippe Yellow Gold Skeletonized Enamel Watch Ref. 3885

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

Patek Philippe Yellow Gold Split Seconds Perpetual Watch Ref. 5004

Patek Philippe Yellow Gold Split Seconds Perpetual Watch Ref. 5004

Sold Out

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

Patek Philippe Yellow Gold Split Seconds Perpetual Watch Ref. 5004

Patek Philippe Yellow Gold Split Seconds Perpetual Watch Ref. 5004

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Patek Philippe - Patek Philippe Yellow Gold Square Watch Ref. 5 from 1920 - The Keystone Watches

Patek Philippe Yellow Gold Square Watch Ref. 5 from 1920

Patek Philippe Yellow Gold Square Watch Ref. 5 from 1920

Sold Out

 
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

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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