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Audemars Piguet - Audemars Piguet Yellow Gold Vintage Royal Oak Perpetual Ref. 25654BA - The Keystone Watches

Audemars Piguet Yellow Gold Vintage Royal Oak Perpetual Ref. 25654BA

Audemars Piguet Yellow Gold Vintage Royal Oak Perpetual Ref. 25654BA

Sold Out

 
Omega Vintage Yellow Gold Ladies Watch Ref. 3417.17.37

Omega Vintage Yellow Gold Ladies Watch Ref. 3417.17.37

Omega Vintage Yellow Gold Ladies Watch Ref. 3417.17.37

Sold Out

 
Audemars Piguet - Audemars Piguet White Gold Cobra Strap Watch - The Keystone Watches

Audemars Piguet White Gold Cobra Strap Watch

Audemars Piguet White Gold Cobra Strap Watch

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Rolex Yellow Gold Day Date Ref. 118238 with Tropical Dial

Rolex Yellow Gold Day Date Ref. 118238 with Tropical Dial

Rolex Yellow Gold Day Date Ref. 118238 with Tropical Dial

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Audemars Piguet Steel Royal Oak Steel Ref. 56023ST Tropical Dial

Audemars Piguet Steel Royal Oak Steel Ref. 56023ST Tropical Dial

Audemars Piguet Steel Royal Oak Steel Ref. 56023ST Tropical Dial

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Patek Philippe White Gold Ellipse Ref. 3584

Patek Philippe White Gold Ellipse Ref. 3584

Patek Philippe White Gold Ellipse Ref. 3584

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Rolex GMT Master II Ref. 16710 Pepsi M serial Cal 3186

Rolex GMT Master II Ref. 16710 Pepsi M serial Cal 3186

Rolex GMT Master II Ref. 16710 Pepsi M serial Cal 3186

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Audemars Piguet - Audemars Piguet Steel Royal Oak Watch, Retailed by Tiffany & Co. - The Keystone Watches

Audemars Piguet Steel Royal Oak Watch, Retailed by Tiffany & Co.

Audemars Piguet Steel Royal Oak Watch, Retailed by Tiffany & Co.

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Audemars Piguet Yellow Gold Jumbo Royal Oak Watch Ref. 5402

Audemars Piguet Yellow Gold Jumbo Royal Oak Watch Ref. 5402

Audemars Piguet Yellow Gold Jumbo Royal Oak Watch Ref. 5402

$115,000 USD
 
Audemars Piguet Yellow Gold Watch Ref. 5402

Audemars Piguet Yellow Gold Watch Ref. 5402

Audemars Piguet Yellow Gold Watch Ref. 5402

$135,000 USD
 
Audemars Piguet Steel Transitional Jumbo Royal Oak Ref. 5402 Rare No Serial Watch

Audemars Piguet Steel Transitional Jumbo Royal Oak Ref. 5402 Rare No Serial Watch

Audemars Piguet Steel Transitional Jumbo Royal Oak Ref. 5402 Rare No Serial Watch

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Audemars Piguet Royal Oak Ref. 5402 A-Series

Audemars Piguet Royal Oak Ref. 5402 A-Series

Audemars Piguet Royal Oak Ref. 5402 A-Series

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Audemars Piguet Yellow Gold Royal Oak Quantieme Calendar Ref. 25800

Audemars Piguet Yellow Gold Royal Oak Quantieme Calendar Ref. 25800

Audemars Piguet Yellow Gold Royal Oak Quantieme Calendar Ref. 25800

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Rolex - Rolex White Gold Day-Date Ref. 1803 with Doorstop Dial - The Keystone Watches

Rolex White Gold Day-Date Ref. 1803 with Doorstop Dial

Rolex White Gold Day-Date Ref. 1803 with Doorstop Dial

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Rolex White Gold Day Date Ref. 118209 with Mother of Pearl Dial

Rolex White Gold Day Date Ref. 118209 with Mother of Pearl Dial

Rolex White Gold Day Date Ref. 118209 with Mother of Pearl Dial

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Audemars Piguet Yellow Gold Modernist Bracelet Watch

Audemars Piguet Yellow Gold Modernist Bracelet Watch

Audemars Piguet Yellow Gold Modernist Bracelet Watch

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Piaget - Piaget Yellow Gold Watch Ref. 9706 with Lapis and Diamond Dial - The Keystone Watches

Piaget Yellow Gold Watch Ref. 9706 with Lapis and Diamond Dial

Piaget Yellow Gold Watch Ref. 9706 with Lapis and Diamond Dial

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Audemars Piguet - Audemars Piguet Royal Oak Watch Ref. 56023 in Remarkable Condition - The Keystone Watches

Audemars Piguet Royal Oak Watch Ref. 56023 in Remarkable Condition

Audemars Piguet Royal Oak Watch Ref. 56023 in Remarkable Condition

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Patek Philippe Yellow Gold Cover Watch Ref. 4955

Patek Philippe Yellow Gold Cover Watch Ref. 4955

Patek Philippe Yellow Gold Cover Watch Ref. 4955

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Rolex Two-Tone Datejust Ref. 69173 with Boiler Gauge Dial and Original Warranty

Rolex Two-Tone Datejust Ref. 69173 with Boiler Gauge Dial and Original Warranty

Rolex Two-Tone Datejust Ref. 69173 with Boiler Gauge Dial and Original Warranty

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Patek Philippe - Patek Philippe Yellow Gold Ellipse Ref. 3848 (New Arrival) - The Keystone Watches

Patek Philippe Yellow Gold Ellipse Ref. 3848 (New Arrival)

Patek Philippe Yellow Gold Ellipse Ref. 3848 (New Arrival)

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Patek Philippe Steel Backwind Ellipse Watch Ref. 3580 with Blue Dial

Patek Philippe Steel Backwind Ellipse Watch Ref. 3580 with Blue Dial

Patek Philippe Steel Backwind Ellipse Watch Ref. 3580 with Blue Dial

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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 - Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival) - The Keystone Watches

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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