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Piaget Yellow Gold Polo Ref. 15661C701

Piaget Yellow Gold Polo Ref. 15661C701

Piaget Yellow Gold Polo Ref. 15661C701

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Cartier Paris Yellow Gold Bracelet Watch with Backwind (New Arrival)

Cartier Paris Yellow Gold Bracelet Watch with Backwind (New Arrival)

Cartier Paris Yellow Gold Bracelet Watch with Backwind (New Arrival)

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Rolex Steel Daytona Ref. 16520 U-Serial with Paper (New Arrival)

Rolex Steel Daytona Ref. 16520 U-Serial with Paper (New Arrival)

Rolex Steel Daytona Ref. 16520 U-Serial with Paper (New Arrival)

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Rolex Daytona Ref. 116523 with V-Serial and Racing Dial

Rolex Daytona Ref. 116523 with V-Serial and Racing Dial

Rolex Daytona Ref. 116523 with V-Serial and Racing Dial

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Patek Philippe Yellow Gold Calatrava Watch Ref. 3484 Retailed by Somazzi (New Arrival)

Patek Philippe Yellow Gold Calatrava Watch Ref. 3484 Retailed by Somazzi (New Arrival)

Patek Philippe Yellow Gold Calatrava Watch Ref. 3484 Retailed by Somazzi (New Arrival)

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Rolex White Gold SARU GMT-Master II Ref. 116759SARU (New Arrival)

Rolex White Gold SARU GMT-Master II Ref. 116759SARU (New Arrival)

Rolex White Gold SARU GMT-Master II Ref. 116759SARU (New Arrival)

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Patek Philippe Pink Gold Calatrava Watch Ref. 570 (New Arrival)

Patek Philippe Pink Gold Calatrava Watch Ref. 570 (New Arrival)

Patek Philippe Pink Gold Calatrava Watch Ref. 570 (New Arrival)

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Rolex White Gold GMT-Master Ref. 116759SA with Sapphires and Diamonds (New Arrival)

Rolex White Gold GMT-Master Ref. 116759SA with Sapphires and Diamonds (New Arrival)

Rolex White Gold GMT-Master Ref. 116759SA with Sapphires and Diamonds (New Arrival)

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Cartier Platinum Baignoire Ref. 78094, Special Order with Burgundy Numerals, 1980s (New Arrival)

Cartier Platinum Baignoire Ref. 78094, Special Order with Burgundy Numerals, 1980s (New Arrival)

Cartier Platinum Baignoire Ref. 78094, Special Order with Burgundy Numerals, 1980s (New Arrival)

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Cartier White Gold Rectangulaire a Pattes Vis Armurier Enamel Tank Watch

Cartier White Gold Rectangulaire a Pattes Vis Armurier Enamel Tank Watch

Cartier White Gold Rectangulaire a Pattes Vis Armurier Enamel Tank Watch

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Andersen Geneve Yellow Gold Minute Repeater and Perpetual Calendar Unique Piece

Andersen Geneve Yellow Gold Minute Repeater and Perpetual Calendar Unique Piece

Andersen Geneve Yellow Gold Minute Repeater and Perpetual Calendar Unique Piece

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Patek Philippe Steel Sculptural Watch Ref. 5091

Patek Philippe Steel Sculptural Watch Ref. 5091

Patek Philippe Steel Sculptural Watch Ref. 5091

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Cartier Rose Gold Baignoire Allongee Ref. WGBA0009 (New Arrival)

Cartier Rose Gold Baignoire Allongee Ref. WGBA0009 (New Arrival)

Cartier Rose Gold Baignoire Allongee Ref. WGBA0009 (New Arrival)

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Piaget Yellow Gold Polo Diamond Watch Ref. 861 (New Arrival)

Piaget Yellow Gold Polo Diamond Watch Ref. 861 (New Arrival)

Piaget Yellow Gold Polo Diamond Watch Ref. 861 (New Arrival)

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Breguet - Breguet Yellow Gold Moonphase Watch - The Keystone Watches

Breguet Yellow Gold Moonphase Watch

Breguet Yellow Gold Moonphase Watch

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Patek Philippe Yellow Gold Golden Ellipse Ref. 3666

Patek Philippe Yellow Gold Golden Ellipse Ref. 3666

Patek Philippe Yellow Gold Golden Ellipse Ref. 3666

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Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 5270 (New Arrival)

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 5270 (New Arrival)

Patek Philippe Yellow Gold Perpetual Calendar Chronograph Ref. 5270 (New Arrival)

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Patek Philippe White Gold Calatrava Gobbi Milano Watch Ref. 3445 with Original Guarantee

Patek Philippe White Gold Calatrava Gobbi Milano Watch Ref. 3445 with Original Guarantee

Patek Philippe White Gold Calatrava Gobbi Milano Watch Ref. 3445 with Original Guarantee

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Patek Philippe Rectangular Watch Ref. 3557

Patek Philippe Rectangular Watch Ref. 3557

Patek Philippe Rectangular Watch Ref. 3557

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5270G - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5270G

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5270G

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Rolex Cosmograph Daytona Paul Newman Ref. 6239 with Original Box and Papers, 1969

Rolex Cosmograph Daytona Paul Newman Ref. 6239 with Original Box and Papers, 1969

Rolex Cosmograph Daytona Paul Newman Ref. 6239 with Original Box and Papers, 1969

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Patek Philippe Yellow Gold First Series Ref. 3448 with Indelible Enamel and Original Certificate

Patek Philippe Yellow Gold First Series Ref. 3448 with Indelible Enamel and Original Certificate

Patek Philippe Yellow Gold First Series Ref. 3448 with Indelible Enamel and Original Certificate

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New Arrivals Preview
 
Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

$19,800 USD
 
Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

$16,000 USD
 
Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

$75,000 USD
 
Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

$30,000 USD
 
Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

$105,000 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival) - The Keystone Watches

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
 
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
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.

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