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Piaget White Gold Round Watch Ref. 9066 with Opal Dial and Diamonds

Piaget White Gold Round Watch Ref. 9066 with Opal Dial and Diamonds

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Piaget - Piaget Yellow Gold and Onyx Emperador Ref. 91490C510 - The Keystone Watches

Piaget Yellow Gold and Onyx Emperador Ref. 91490C510

Piaget Yellow Gold and Onyx Emperador Ref. 91490C510

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Piaget White Gold Emperador Ref. 9131

Piaget White Gold Emperador Ref. 9131

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Piaget White Gold Tradition Ref. 9131

Piaget White Gold Tradition Ref. 9131

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Patek Philippe White Gold Perpetual Calendar Ref. 5159

Patek Philippe White Gold Perpetual Calendar Ref. 5159

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Patek Philippe Steel Nautilus Chronograph Ref. 5980

Patek Philippe Steel Nautilus Chronograph Ref. 5980

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Ref. 5496 with Box and Papers - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Ref. 5496 with Box and Papers

Patek Philippe Platinum Perpetual Calendar Ref. 5496 with Box and Papers

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Patek Philippe Rose Gold World Time Ref. 5130

Patek Philippe Rose Gold World Time Ref. 5130

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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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Audemars Piguet White Gold Jules Audemars Tourbillon Ref. 25968

Audemars Piguet White Gold Jules Audemars Tourbillon Ref. 25968

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Rolex White Gold Cellini Ref. 4350 with Red Dial

Rolex White Gold Cellini Ref. 4350 with Red Dial

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Rolex Tridor Day-Date Ref. 18239 with Mother of Pearl and Baguette Diamond Dial

Rolex Tridor Day-Date Ref. 18239 with Mother of Pearl and Baguette Diamond Dial

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Piaget White Gold Tank Ref. 90802

Piaget White Gold Tank Ref. 90802

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Patek Philippe Steel Calatrava Ref. 3579 in Outstanding Original Condition (New Arrival)

Patek Philippe Steel Calatrava Ref. 3579 in Outstanding Original Condition (New Arrival)

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Patek Philippe Yellow Gold Golden Ellipse Watch Ref. 3862

Patek Philippe Yellow Gold Golden Ellipse Watch Ref. 3862

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Patek Philippe Yellow Gold Gondolo Ref. 3528

Patek Philippe Yellow Gold Gondolo Ref. 3528

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Audemars Piguet - Audemars Piguet Yellow Gold Skeleton Watch Ref. BA4266 on Bracelet - The Keystone Watches

Audemars Piguet Yellow Gold Skeleton Watch Ref. BA4266 on Bracelet

Audemars Piguet Yellow Gold Skeleton Watch Ref. BA4266 on Bracelet

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Piaget Yellow Gold Bracelet Watch Ref. 93402 with Opal and Onyx Dial (New Arrival)

Piaget Yellow Gold Bracelet Watch Ref. 93402 with Opal and Onyx Dial (New Arrival)

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Piaget - Piaget Two-Tone Bracelet Watch Ref. 4152 with Onyx, Diamond and Mother of Pearl Dial - The Keystone Watches

Piaget Two-Tone Bracelet Watch Ref. 4152 with Onyx, Diamond and Mother of Pearl Dial

Piaget Two-Tone Bracelet Watch Ref. 4152 with Onyx, Diamond and Mother of Pearl Dial

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Piaget - Piaget White Gold Bracelet Watch Ref. 45244 with Opal Dial - The Keystone Watches

Piaget White Gold Bracelet Watch Ref. 45244 with Opal Dial

Piaget White Gold Bracelet Watch Ref. 45244 with Opal Dial

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Patek Philippe Platinum Calatrava Watch Ref. 5196 (New Arrival)

Patek Philippe Platinum Calatrava Watch Ref. 5196 (New Arrival)

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Rolex Steel Datejust Ref. 1530 (New Arrival)

Rolex Steel Datejust Ref. 1530 (New Arrival)

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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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