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Audemars Piguet White Gold Automatic with Hobnail Case and Dial (New Arrival)

Audemars Piguet White Gold Automatic with Hobnail Case and Dial (New Arrival)

Audemars Piguet White Gold Automatic with Hobnail Case and Dial (New Arrival)

$7,500 USD
 
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)

Sold Out

 
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)

Sold Out

 
Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition

Patek Philippe Yellow Gold Chronograph Watch Ref. 591, Incredible Original Condition

$165,000 USD
 
Breguet Yellow Gold Emerald & Diamond Watch (New Arrival)

Breguet Yellow Gold Emerald & Diamond Watch (New Arrival)

Breguet Yellow Gold Emerald & Diamond Watch (New Arrival)

$36,000 USD
 
Patek Philippe - Patek Philippe Platinum Ellipse Ref. 5738G - The Keystone Watches

Patek Philippe Platinum Ellipse Ref. 5738G

Patek Philippe Platinum Ellipse Ref. 5738G

$85,000 USD
 
Patek Philippe White Gold Annual Calendar 5054G (New Arrival)

Patek Philippe White Gold Annual Calendar 5054G (New Arrival)

Patek Philippe White Gold Annual Calendar 5054G (New Arrival)

$25,500 USD
 
Patek Philippe Steel Nautilus Ref. 3800 with Roman Numeral Dial

Patek Philippe Steel Nautilus Ref. 3800 with Roman Numeral Dial

Patek Philippe Steel Nautilus Ref. 3800 with Roman Numeral Dial

$68,000 USD
 
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

Sold Out

 
Patek Philippe Yellow Gold Skater Ref. 2425

Patek Philippe Yellow Gold Skater Ref. 2425

Patek Philippe Yellow Gold Skater Ref. 2425

$26,000 USD
 
Audemars Piguet White Gold Bracelet Watch Ref. 56478

Audemars Piguet White Gold Bracelet Watch Ref. 56478

Audemars Piguet White Gold Bracelet Watch Ref. 56478

$27,500 USD
 
A. Lange & Sohne White Gold Perpetual Calendar Watch Ref. 310.026

A. Lange & Sohne White Gold Perpetual Calendar Watch Ref. 310.026

A. Lange & Sohne White Gold Perpetual Calendar Watch Ref. 310.026

$64,000 USD
 
Patek Philippe White Gold Diamond & Sapphire Cover Watch (New Arrival)

Patek Philippe White Gold Diamond & Sapphire Cover Watch (New Arrival)

Patek Philippe White Gold Diamond & Sapphire Cover Watch (New Arrival)

$19,500 USD
 
Patek Philippe Pink Gold Rectangular Watch Ref. 425 Retailed by Tiffany & Co.

Patek Philippe Pink Gold Rectangular Watch Ref. 425 Retailed by Tiffany & Co.

Patek Philippe Pink Gold Rectangular Watch Ref. 425 Retailed by Tiffany & Co.

$35,000 USD
 
Cartier Yellow Gold Officers Watch, 1910

Cartier Yellow Gold Officers Watch, 1910

Cartier Yellow Gold Officers Watch, 1910

$19,000 USD
 
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

Sold Out

 
Piaget White Gold Dual Time Watch Ref. 69212

Piaget White Gold Dual Time Watch Ref. 69212

Piaget White Gold Dual Time Watch Ref. 69212

$34,000 USD
 
Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3448, Circa 1977

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3448, Circa 1977

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3448, Circa 1977

$225,000 USD
 
Patek Philippe Steel Sculptural Watch Ref. 5091

Patek Philippe Steel Sculptural Watch Ref. 5091

Patek Philippe Steel Sculptural Watch Ref. 5091

Sold Out

 
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)

Sold Out

 
Vacheron Constantin Yellow Gold Kalla Ref. 10546/146j (New Arrival)

Vacheron Constantin Yellow Gold Kalla Ref. 10546/146j (New Arrival)

Vacheron Constantin Yellow Gold Kalla Ref. 10546/146j (New Arrival)

$155,000 USD
 
Patek Philippe Rose Gold Pocket Watch (New Arrival)

Patek Philippe Rose Gold Pocket Watch (New Arrival)

Patek Philippe Rose Gold Pocket Watch (New Arrival)

$9,500 USD
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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.

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