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Audemars Piguet - Audemars Piguet Yellow Gold Ref. 56455BA - The Keystone Watches

Audemars Piguet Yellow Gold Ref. 56455BA

Audemars Piguet Yellow Gold Ref. 56455BA

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Roger Dubuis 18k RG Sympathie 37mm Ref. 37.57.0

Roger Dubuis 18k RG Sympathie 37mm Ref. 37.57.0

Roger Dubuis 18k RG Sympathie 37mm Ref. 37.57.0

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Patek Philippe Rose Gold Annual Calendar Ref. 5146R-001

Patek Philippe Rose Gold Annual Calendar Ref. 5146R-001

Patek Philippe Rose Gold Annual Calendar Ref. 5146R-001

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

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Rolex Steel Daytona Ref. 16520 with Inverted 6

Rolex Steel Daytona Ref. 16520 with Inverted 6

Rolex Steel Daytona Ref. 16520 with Inverted 6

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Rolex - Rolex Yellow Gold Stella Watch Ref. 6917 with Orange Dial - The Keystone Watches

Rolex Yellow Gold Stella Watch Ref. 6917 with Orange Dial

Rolex Yellow Gold Stella Watch Ref. 6917 with Orange Dial

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Rolex - Rolex Platinum Day-Date Ref. 18046 - The Keystone Watches

Rolex Platinum Day-Date Ref. 18046

Rolex Platinum Day-Date Ref. 18046

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Audemars Piguet - Audemars Piguet White Gold Cobra-Style Bracelet Watch - The Keystone Watches

Audemars Piguet White Gold Cobra-Style Bracelet Watch

Audemars Piguet White Gold Cobra-Style Bracelet Watch

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Rolex - Rolex Oyster Perpetual Date Submariner Ref. 16800 - The Keystone Watches

Rolex Oyster Perpetual Date Submariner Ref. 16800

Rolex Oyster Perpetual Date Submariner Ref. 16800

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Patek Philippe Platinum Calatrava Watch Ref. 3796P

Patek Philippe Platinum Calatrava Watch Ref. 3796P

Patek Philippe Platinum Calatrava Watch Ref. 3796P

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 3411 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 3411

Patek Philippe Yellow Gold Calatrava Watch Ref. 3411

Sold Out

 
Audemars Piguet Oval White Gold Bracelet Watch with Diamond Case and Hands

Audemars Piguet Oval White Gold Bracelet Watch with Diamond Case and Hands

Audemars Piguet Oval White Gold Bracelet Watch with Diamond Case and Hands

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Patek Philippe Pink Gold Calatrava Watch Ref. 96

Patek Philippe Pink Gold Calatrava Watch Ref. 96

Patek Philippe Pink Gold Calatrava Watch Ref. 96

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Audemars Piguet Pink Gold Royal Oak Ruby Watch Ref. 66600

Audemars Piguet Pink Gold Royal Oak Ruby Watch Ref. 66600

Audemars Piguet Pink Gold Royal Oak Ruby Watch Ref. 66600

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Patek Philippe - Patek Philippe White Gold Calatrava Ref. 570 - The Keystone Watches

Patek Philippe White Gold Calatrava Ref. 570

Patek Philippe White Gold Calatrava Ref. 570

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Patek Philippe Platinum Perpetual Calendar Ref. 3940, Second Series

Patek Philippe Platinum Perpetual Calendar Ref. 3940, Second Series

Patek Philippe Platinum Perpetual Calendar Ref. 3940, Second Series

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Patek Philippe - Patek Philippe White Gold Calatrava Ref. 570 - The Keystone Watches

Patek Philippe White Gold Calatrava Ref. 570

Patek Philippe White Gold Calatrava Ref. 570

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Franck Muller - Franck Muller White Gold Perpetual Biretro Chronograph Watch Ref. 7000 - The Keystone Watches

Franck Muller White Gold Perpetual Biretro Chronograph Watch Ref. 7000

Franck Muller White Gold Perpetual Biretro Chronograph Watch Ref. 7000

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Piaget - Paiget Yellow Gold Anneaux Coral Dial Ref. 9802D - The Keystone Watches

Paiget Yellow Gold Anneaux Coral Dial Ref. 9802D

Paiget Yellow Gold Anneaux Coral Dial Ref. 9802D

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Rolex White Gold GMT-Master II Bruce Wayne Diamond Sapphire Watch Ref. 116749SABLNR

Rolex White Gold GMT-Master II Bruce Wayne Diamond Sapphire Watch Ref. 116749SABLNR

Rolex White Gold GMT-Master II Bruce Wayne Diamond Sapphire Watch Ref. 116749SABLNR

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Cartier - Cartier Enamel & Jade Necklace Watch - The Keystone Watches

Cartier Enamel & Jade Necklace Watch

Cartier Enamel & Jade Necklace Watch

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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

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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 - 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
 
Rolex Yellow Gold Enamel Cellini Ref. 4152 (New Arrival)

Rolex Yellow Gold Enamel Cellini Ref. 4152 (New Arrival)

Rolex Yellow Gold Enamel Cellini Ref. 4152 (New Arrival)

$29,800 USD
 
Chopard Yellow Gold Happy Diamonds Sapphire & Diamonds Ref. 27/6258-23 (New Arrival)

Chopard Yellow Gold Happy Diamonds Sapphire & Diamonds Ref. 27/6258-23 (New Arrival)

Chopard Yellow Gold Happy Diamonds Sapphire & Diamonds Ref. 27/6258-23 (New Arrival)

$11,500 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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