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Patek Philippe - Patek Philippe Rose Gold Minute Repeater Watch Ref. 5531 - The Keystone Watches

Patek Philippe Rose Gold Minute Repeater Watch Ref. 5531

Patek Philippe Rose Gold Minute Repeater Watch Ref. 5531

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 3796 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 3796

Patek Philippe White Gold Calatrava Watch Ref. 3796

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Patek Philippe - Patek Philippe Platinum Celestial Emerald Watch Ref. 6104 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe Platinum Celestial Emerald Watch Ref. 6104 (NEW ARRIVAL)

Patek Philippe Platinum Celestial Emerald Watch Ref. 6104 (NEW ARRIVAL)

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 3429 with Attractive Aged Dial - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 3429 with Attractive Aged Dial

Patek Philippe White Gold Calatrava Watch Ref. 3429 with Attractive Aged Dial

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Patek Philippe - Patek Philippe White Gold Automatic Watch Ref. 3589 - The Keystone Watches

Patek Philippe White Gold Automatic Watch Ref. 3589

Patek Philippe White Gold Automatic Watch Ref. 3589

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Patek Philippe - Patek Philippe Platinum Split Seconds Chronograph Watch Ref. 5370 - The Keystone Watches

Patek Philippe Platinum Split Seconds Chronograph Watch Ref. 5370

Patek Philippe Platinum Split Seconds Chronograph Watch Ref. 5370

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Split Seconds Chronograph Watch Ref. 5204P - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Split Seconds Chronograph Watch Ref. 5204P

Patek Philippe Platinum Perpetual Calendar Split Seconds Chronograph Watch Ref. 5204P

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Patek Philippe - Patek Philippe Yellow Gold Ellipse Ref. 3548 Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Ref. 3548 Retailed by Tiffany & Co.

Patek Philippe Yellow Gold Ellipse Ref. 3548 Retailed by Tiffany & Co.

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 3919 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 3919

Patek Philippe Yellow Gold Calatrava Watch Ref. 3919

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Patek Philippe - Patek Philippe Steel Nautilus Watch Ref. 5711 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 5711 (NEW ARRIVAL)

Patek Philippe Steel Nautilus Watch Ref. 5711 (NEW ARRIVAL)

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Patek Philippe - Patek Philippe White Gold World Time Watch Ref. 5130 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe White Gold World Time Watch Ref. 5130 (NEW ARRIVAL)

Patek Philippe White Gold World Time Watch Ref. 5130 (NEW ARRIVAL)

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Ref. 3821 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Ref. 3821

Patek Philippe Yellow Gold Calatrava Ref. 3821

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Ref. 3514 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Ref. 3514

Patek Philippe Yellow Gold Calatrava Ref. 3514

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

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5270

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5270

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Patek Philippe - Patek Philippe White Gold Lapis Watch Ref. 3733 - The Keystone Watches

Patek Philippe White Gold Lapis Watch Ref. 3733

Patek Philippe White Gold Lapis Watch Ref. 3733

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Patek Philippe - Patek Philippe White Gold Annual Calendar Watch Ref. 5205 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Watch Ref. 5205

Patek Philippe White Gold Annual Calendar Watch Ref. 5205

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Patek Philippe - Patek Philippe White Gold Aquanaut Khaki Green Watch Ref. 5168 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe White Gold Aquanaut Khaki Green Watch Ref. 5168 (NEW ARRIVAL)

Patek Philippe White Gold Aquanaut Khaki Green Watch Ref. 5168 (NEW ARRIVAL)

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 3919 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 3919 (NEW ARRIVAL)

Patek Philippe Yellow Gold Calatrava Watch Ref. 3919 (NEW ARRIVAL)

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Patek Philippe - Patek Philippe Steel Dual Time Aquanaut Ref. 5164 - The Keystone Watches

Patek Philippe Steel Dual Time Aquanaut Ref. 5164

Patek Philippe Steel Dual Time Aquanaut Ref. 5164

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Patek Philippe - Patek Philippe Yellow Gold Ellipse Ref. 3545 - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Ref. 3545

Patek Philippe Yellow Gold Ellipse Ref. 3545

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Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 3468 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 3468

Patek Philippe White Gold Calatrava Watch Ref. 3468

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Patek Philippe - Patek Philippe White Gold Automatic Backwind Golden Circle Watch Ref. 3586 - The Keystone Watches

Patek Philippe White Gold Automatic Backwind Golden Circle Watch Ref. 3586

Patek Philippe White Gold Automatic Backwind Golden Circle Watch Ref. 3586

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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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