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Patek Philippe Rose Gold Perpetual Calendar Split Seconds Chronograph Watch Ref. 5204

Patek Philippe Rose Gold Perpetual Calendar Split Seconds Chronograph Watch Ref. 5204

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Audemars Piguet - Audemars Piguet Ladies White Gold Skeleton Watch Ref. 77176 - The Keystone Watches

Audemars Piguet Ladies White Gold Skeleton Watch Ref. 77176

Audemars Piguet Ladies White Gold Skeleton Watch Ref. 77176

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Patek Philippe - Patek Philippe White Gold Grand Complication Minute Repeater Watch Ref. 5213 - The Keystone Watches

Patek Philippe White Gold Grand Complication Minute Repeater Watch Ref. 5213

Patek Philippe White Gold Grand Complication Minute Repeater Watch Ref. 5213

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chronograph Ref. 5970 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chronograph Ref. 5970

Patek Philippe Platinum Perpetual Calendar Chronograph Ref. 5970

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Cartier Platinum Tank Asymmetric Ref. WGTA0042

Cartier Platinum Tank Asymmetric Ref. WGTA0042

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Patek Philippe Rose Gold Perpetual Calendar Ref. 5940 (New Arrival)

Patek Philippe Rose Gold Perpetual Calendar Ref. 5940 (New Arrival)

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Rolex Steel Sea Dweller SD4K Ref. 116600

Rolex Steel Sea Dweller SD4K Ref. 116600

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Rolex Steel GMT Master II Ref. 116710LN in New Old Stock Condition

Rolex Steel GMT Master II Ref. 116710LN in New Old Stock Condition

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Cartier Steel Santos Dumont Black Enamel Ref. WSSA0046

Cartier Steel Santos Dumont Black Enamel Ref. WSSA0046

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Rolex - Rolex White Gold Datejust Ref. 116139 - The Keystone Watches

Rolex White Gold Datejust Ref. 116139

Rolex White Gold Datejust Ref. 116139

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Rolex Steel Datejust Ref. 116234 on Super Jubilee

Rolex Steel Datejust Ref. 116234 on Super Jubilee

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Cartier White Gold Cloche Diamond Mecanique Watch Ref. 3398

Cartier White Gold Cloche Diamond Mecanique Watch Ref. 3398

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Patek Philippe Platinum Perpetual Calendar Ref. 3940

Patek Philippe Platinum Perpetual Calendar Ref. 3940

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Gerald Genta - Gerald Genta Rose Gold Chronograph Ref. 3376.7 - The Keystone Watches

Gerald Genta Rose Gold Chronograph Ref. 3376.7

Gerald Genta Rose Gold Chronograph Ref. 3376.7

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A. Lange and Sohne Yellow Gold Grosse Langematik Gangreserve Ref. 304.048, Limited Wempe Anniversary Edition of 100

A. Lange and Sohne Yellow Gold Grosse Langematik Gangreserve Ref. 304.048, Limited Wempe Anniversary Edition of 100

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Piaget White Gold Diamond Watch Ref. 9066 with Pave Dial

Piaget White Gold Diamond Watch Ref. 9066 with Pave Dial

Piaget White Gold Diamond Watch Ref. 9066 with Pave Dial

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Patek Philippe White Gold Jumbo Ellipse Ref. 3738

Patek Philippe White Gold Jumbo Ellipse Ref. 3738

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Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960P-016

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960P-016

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Patek Philippe White Gold Chronograph Watch Ref. 5070 (New Arrival)

Patek Philippe White Gold Chronograph Watch Ref. 5070 (New Arrival)

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Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

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Rolex Yellow Gold GMT Master II Ref. 126718

Rolex Yellow Gold GMT Master II Ref. 126718

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F.P. Journe Repetition Souverain Minute Repeater Watch

F.P. Journe Repetition Souverain Minute Repeater Watch

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New Arrivals Preview
 
Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

Rolex Yellow Gold Queen Midas Watch Ref. 4314 with Lapis and Diamond Dial (New Arrival)

$38,000 USD
 
Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 (New Arrival)

$30,000 USD
 
Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

$60,000 USD
 
Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

Breguet Cushion Shaped Diver 200m Watch (New Arrival)

$58,000 USD
 
Audemars Piguet - Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival) - The Keystone Watches

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

$18,000 USD
 
Cartier Yellow Gold Tank Normale Bracelet Watch  Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

Cartier Yellow Gold Tank Normale Bracelet Watch Ref. 78092 (New Arrival)

$36,000 USD
 
Cartier - Cartier Yellow Gold Tank Reverso (New Arrival) - The Keystone Watches

Cartier Yellow Gold Tank Reverso (New Arrival)

Cartier Yellow Gold Tank Reverso (New Arrival)

$34,500 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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