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Cartier Yellow Gold Mini Tank, Circa 1970s

Cartier Yellow Gold Mini Tank, Circa 1970s

Cartier Yellow Gold Mini Tank, Circa 1970s

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Rolex Steel Flat 4 Kermit Submariner Ref. 16610LV

Rolex Steel Flat 4 Kermit Submariner Ref. 16610LV

Rolex Steel Flat 4 Kermit Submariner Ref. 16610LV

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Harry Winston White Gold Ref. 200-MAB137W

Harry Winston White Gold Ref. 200-MAB137W

Harry Winston White Gold Ref. 200-MAB137W

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Patek Philippe Platinum Perpetual Calendar Ref. 5496

Patek Philippe Platinum Perpetual Calendar Ref. 5496

Patek Philippe Platinum Perpetual Calendar Ref. 5496

Sold Out

 
Audemars Piguet Yellow Gold Coin Watch (New Arrival)

Audemars Piguet Yellow Gold Coin Watch (New Arrival)

Audemars Piguet Yellow Gold Coin Watch (New Arrival)

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Patek Philippe White Gold Gondolo Ref. 3553

Patek Philippe White Gold Gondolo Ref. 3553

Patek Philippe White Gold Gondolo Ref. 3553

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Cartier Yellow Gold Tank with Paris Dial

Cartier Yellow Gold Tank with Paris Dial

Cartier Yellow Gold Tank with Paris Dial

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Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5040

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5040

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5040

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Rolex Steel Milgauss Ref. 1019

Rolex Steel Milgauss Ref. 1019

Rolex Steel Milgauss Ref. 1019

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A. Lange & Sohne Platinum Langematik Perpetual Calendar Ref. 310.025

A. Lange & Sohne Platinum Langematik Perpetual Calendar Ref. 310.025

A. Lange & Sohne Platinum Langematik Perpetual Calendar Ref. 310.025

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Cartier White Gold Tank Watch Ref. 78086

Cartier White Gold Tank Watch Ref. 78086

Cartier White Gold Tank Watch Ref. 78086

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Piaget Rose Gold Altiplano Tourbillon Ref. P11485 with Malachite Marquetry Dial

Piaget Rose Gold Altiplano Tourbillon Ref. P11485 with Malachite Marquetry Dial

Piaget Rose Gold Altiplano Tourbillon Ref. P11485 with Malachite Marquetry Dial

$70,000 USD
 
Breguet Yellow Gold Classique Watch Ref. 5930

Breguet Yellow Gold Classique Watch Ref. 5930

Breguet Yellow Gold Classique Watch Ref. 5930

Sold Out

 
Patek Philippe Rose Gold Gondolo Gemma Ref. 4980

Patek Philippe Rose Gold Gondolo Gemma Ref. 4980

Patek Philippe Rose Gold Gondolo Gemma Ref. 4980

$10,800 USD
 
Cartier Yellow Gold Pasha Chronograph Ref. W3014051

Cartier Yellow Gold Pasha Chronograph Ref. W3014051

Cartier Yellow Gold Pasha Chronograph Ref. W3014051

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Patek Philippe White Gold Baguette Bezel Watch Ref. 3357/2

Patek Philippe White Gold Baguette Bezel Watch Ref. 3357/2

Patek Philippe White Gold Baguette Bezel Watch Ref. 3357/2

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Patek Philippe Yellow Gold Calatrava Ref. 3440 on Gey Freres Band

Patek Philippe Yellow Gold Calatrava Ref. 3440 on Gey Freres Band

Patek Philippe Yellow Gold Calatrava Ref. 3440 on Gey Freres Band

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Audemars Piguet Yellow Gold Quantieme Perpetual Ref. 5548

Audemars Piguet Yellow Gold Quantieme Perpetual Ref. 5548

Audemars Piguet Yellow Gold Quantieme Perpetual Ref. 5548

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Girard Perregaux White Gold Triple Bridge Tourbillon Ref. 99350 with Unique Cloisonne Dial

Girard Perregaux White Gold Triple Bridge Tourbillon Ref. 99350 with Unique Cloisonne Dial

Girard Perregaux White Gold Triple Bridge Tourbillon Ref. 99350 with Unique Cloisonne Dial

$85,000 USD
 
Cartier Yellow Gold Tonneau Watch, Paris 1991

Cartier Yellow Gold Tonneau Watch, Paris 1991

Cartier Yellow Gold Tonneau Watch, Paris 1991

Sold Out

 
Patek Philippe Steel 5711 First Serial 2006 Complete Retail Ready

Patek Philippe Steel 5711 First Serial 2006 Complete Retail Ready

Patek Philippe Steel 5711 First Serial 2006 Complete Retail Ready

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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

Sold Out

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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 White Gold Rectangular Watch with Lapis Watch (New Arrival)

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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