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Patek Philippe White Gold Calatrava Ref. 3591

Patek Philippe White Gold Calatrava Ref. 3591

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

Patek Philippe Platinum Perpetual Calendar Split Seconds Watch Ref. 5204

Patek Philippe Platinum Perpetual Calendar Split Seconds Watch Ref. 5204

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Patek Philippe Steel Nautilus Ref. 3712

Patek Philippe Steel Nautilus Ref. 3712

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Patek Philippe Yellow Gold Cufflinks with the Khanjar Emblem of Oman

Patek Philippe Yellow Gold Cufflinks with the Khanjar Emblem of Oman

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Patek Philippe White Gold Calatrava Ref. 3563 with Blue Marker Sigma Dial

Patek Philippe White Gold Calatrava Ref. 3563 with Blue Marker Sigma Dial

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Patek Philippe Yellow Gold Calatrava Ref. 2428

Patek Philippe Yellow Gold Calatrava Ref. 2428

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Chronograph Ref. 3970 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Chronograph Ref. 3970

Patek Philippe Rose Gold Perpetual Calendar Chronograph Ref. 3970

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Patek Philippe Yellow Gold Pocket Watch Ref. 763

Patek Philippe Yellow Gold Pocket Watch Ref. 763

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Patek Philippe - Patek Philippe Rose Gold Celestial Watch Ref. 6102 - The Keystone Watches

Patek Philippe Rose Gold Celestial Watch Ref. 6102

Patek Philippe Rose Gold Celestial Watch Ref. 6102

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Patek Philippe Rose Gold Calatrava Ref. 1594 retailed by Freccero

Patek Philippe Rose Gold Calatrava Ref. 1594 retailed by Freccero

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Patek Philippe White Gold Beta 21 Watch Ref. 3597

Patek Philippe White Gold Beta 21 Watch Ref. 3597

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Patek Philippe - Patek Philippe White Gold Ultra-Thin Ref. 3588 with Rare Breguet Dial - The Keystone Watches

Patek Philippe White Gold Ultra-Thin Ref. 3588 with Rare Breguet Dial

Patek Philippe White Gold Ultra-Thin Ref. 3588 with Rare Breguet Dial

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Patek Philippe - Patek Philippe Steel Calatrava Watch Ref. 3483 - The Keystone Watches

Patek Philippe Steel Calatrava Watch Ref. 3483

Patek Philippe Steel Calatrava Watch Ref. 3483

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Patek Philippe Rose Gold Nautilus Ref. 5712R

Patek Philippe Rose Gold Nautilus Ref. 5712R

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Patek Philippe - Patek Philippe Yellow Gold Automatic Golden Ellipse Watch Ref. 3874 - The Keystone Watches

Patek Philippe Yellow Gold Automatic Golden Ellipse Watch Ref. 3874

Patek Philippe Yellow Gold Automatic Golden Ellipse Watch Ref. 3874

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

Patek Philippe White Gold Ellipse Ref. 3545

Patek Philippe White Gold Ellipse Ref. 3545

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Patek Philippe - Patek Philippe Yellow Gold Blue Enamel Cocktail Watch Ref. 3247 - The Keystone Watches

Patek Philippe Yellow Gold Blue Enamel Cocktail Watch Ref. 3247

Patek Philippe Yellow Gold Blue Enamel Cocktail Watch Ref. 3247

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Patek Philippe White Gold Watch Ref. 4179 (NEW ARRIVAL)

Patek Philippe White Gold Watch Ref. 4179 (NEW ARRIVAL)

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Patek Philippe - Patek Philippe White Gold Ref. 3545 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe White Gold Ref. 3545 (NEW ARRIVAL)

Patek Philippe White Gold Ref. 3545 (NEW ARRIVAL)

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Patek Philippe - Patek Philippe White Gold Ref. 3571 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe White Gold Ref. 3571 (NEW ARRIVAL)

Patek Philippe White Gold Ref. 3571 (NEW ARRIVAL)

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Patek Philippe - Patek Philippe Yellow Gold Ellipse Ref. 3978 (NEW ARRIVAL) - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Ref. 3978 (NEW ARRIVAL)

Patek Philippe Yellow Gold Ellipse Ref. 3978 (NEW ARRIVAL)

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Patek Philippe - Patek Philippe White Gold Bracelet Watch Ref. 4151 - The Keystone Watches

Patek Philippe White Gold Bracelet Watch Ref. 4151

Patek Philippe White Gold Bracelet Watch Ref. 4151

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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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