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Piaget Yellow Gold Emperador Bracelet Watch Ref. 9131C5

Piaget Yellow Gold Emperador Bracelet Watch Ref. 9131C5

Piaget Yellow Gold Emperador Bracelet Watch Ref. 9131C5

$17,500 USD
 
Audemars Piguet Two-Tone Royal Oak Ref. 56303SA.OO.0789SA

Audemars Piguet Two-Tone Royal Oak Ref. 56303SA.OO.0789SA

Audemars Piguet Two-Tone Royal Oak Ref. 56303SA.OO.0789SA

Sold Out

 
Audemars Piguet White Gold Automatic Bracelet Watch

Audemars Piguet White Gold Automatic Bracelet Watch

Audemars Piguet White Gold Automatic Bracelet Watch

$22,000 USD
 
Patek Philippe White Gold Ellipse Ref.4176

Patek Philippe White Gold Ellipse Ref.4176

Patek Philippe White Gold Ellipse Ref.4176

$13,500 USD
 
Audemars Piguet Steel Automatic Watch Ref. 5222

Audemars Piguet Steel Automatic Watch Ref. 5222

Audemars Piguet Steel Automatic Watch Ref. 5222

$15,500 USD
 
Audemars Piguet - Audemars Piguet White Gold Octagonal Bracelet Watch (New Arrival) - The Keystone Watches

Audemars Piguet White Gold Octagonal Bracelet Watch (New Arrival)

Audemars Piguet White Gold Octagonal Bracelet Watch (New Arrival)

"Price upon request"
 
Piaget - Piaget White Gold Bracelet Watch Ref. 9795 with Geometric Onyx and Mother of Pearl Dial - The Keystone Watches

Piaget White Gold Bracelet Watch Ref. 9795 with Geometric Onyx and Mother of Pearl Dial

Piaget White Gold Bracelet Watch Ref. 9795 with Geometric Onyx and Mother of Pearl Dial

$28,000 USD
 
Audemars Piguet White Gold Royal Oak Watch Ref. 56603 with Diamond & Emerald

Audemars Piguet White Gold Royal Oak Watch Ref. 56603 with Diamond & Emerald

Audemars Piguet White Gold Royal Oak Watch Ref. 56603 with Diamond & Emerald

$350,000 USD
 
Rolex Steel Oyster Perpetual Air-King Ref. 5500 with Original Dominos Logo

Rolex Steel Oyster Perpetual Air-King Ref. 5500 with Original Dominos Logo

Rolex Steel Oyster Perpetual Air-King Ref. 5500 with Original Dominos Logo

$15,500 USD
 
Audermars Piguet White Gold Cobra-style Bracelet Watch

Audermars Piguet White Gold Cobra-style Bracelet Watch

Audermars Piguet White Gold Cobra-style Bracelet Watch

$18,000 USD
 
Frank Muller Yellow Gold Chronograph Watch Ref. 7000CCS3645

Frank Muller Yellow Gold Chronograph Watch Ref. 7000CCS3645

Frank Muller Yellow Gold Chronograph Watch Ref. 7000CCS3645

$12,500 USD
 
Rolex Yellow Gold Oyster Perpetual Day-Date Watch Ref. 1803

Rolex Yellow Gold Oyster Perpetual Day-Date Watch Ref. 1803

Rolex Yellow Gold Oyster Perpetual Day-Date Watch Ref. 1803

Sold Out

 
Patek Philippe - Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 - The Keystone Watches

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540

$30,000 USD
 
Vacheron Constantin - Vacheron Constantin Two-Tone 222 with Emblem of Saudi Arabia - The Keystone Watches

Vacheron Constantin Two-Tone 222 with Emblem of Saudi Arabia

Vacheron Constantin Two-Tone 222 with Emblem of Saudi Arabia

$55,000 USD
 
Rolex Pink Gold Sculptural Bracelet Watch

Rolex Pink Gold Sculptural Bracelet Watch

Rolex Pink Gold Sculptural Bracelet Watch

$30,000 USD
 
Rolex Yellow Gold SARU GMT-Master Watch Ref. 116748

Rolex Yellow Gold SARU GMT-Master Watch Ref. 116748

Rolex Yellow Gold SARU GMT-Master Watch Ref. 116748

$86,000 USD
 
Vacheron Constantin Platinum Perpetual Calendar Diamond & Sapphire Watch Ref. 43031

Vacheron Constantin Platinum Perpetual Calendar Diamond & Sapphire Watch Ref. 43031

Vacheron Constantin Platinum Perpetual Calendar Diamond & Sapphire Watch Ref. 43031

$85,000 USD
 
Audemars Piguet Royal Oak C-Series Ref. 5402

Audemars Piguet Royal Oak C-Series Ref. 5402

Audemars Piguet Royal Oak C-Series Ref. 5402

$58,000 USD
 
Patek Philippe - Patek Philippe White Gold Ref. 3543 - The Keystone Watches

Patek Philippe White Gold Ref. 3543

Patek Philippe White Gold Ref. 3543

$10,500 USD
 
Cartier Rose Gold Rotonde Jump Hour Ref. W1553751

Cartier Rose Gold Rotonde Jump Hour Ref. W1553751

Cartier Rose Gold Rotonde Jump Hour Ref. W1553751

$18,500 USD
 
Patek Philippe Pink Gold Two-Tone Dial Watch Ref. 130, Circa 1953

Patek Philippe Pink Gold Two-Tone Dial Watch Ref. 130, Circa 1953

Patek Philippe Pink Gold Two-Tone Dial Watch Ref. 130, Circa 1953

$130,000 USD
 
Rolex - Rolex Steel Pocket Watch, Circa 1930s - The Keystone Watches

Rolex Steel Pocket Watch, Circa 1930s

Rolex Steel Pocket Watch, Circa 1930s

$3,000 USD
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New Arrivals Preview
 
Audemars Piguet Round UFO-Style Bracelet Watch (New Arrival)

Audemars Piguet Round UFO-Style Bracelet Watch (New Arrival)

Audemars Piguet Round UFO-Style Bracelet Watch (New Arrival)

$10,500 USD
 
Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

$17,500 USD
 
Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

$55,000 USD
 
Patek Philippe - Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival) - The Keystone Watches

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

$15,500 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
 
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
 
Patek Philipp Steel Jumbo UFO Ref. 3580 (New Arrival)

Patek Philipp Steel Jumbo UFO Ref. 3580 (New Arrival)

Patek Philipp Steel Jumbo UFO Ref. 3580 (New Arrival)

$16,000 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.

Stay in touch.

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