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Omega - Omega Steel Speedmaster Chronograph Watch Ref. 2998 - The Keystone Watches

Omega Steel Speedmaster Chronograph Watch Ref. 2998

Omega Steel Speedmaster Chronograph Watch Ref. 2998

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

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270

Sold Out

 
Audemars Piguet - Audemars Piguet Yellow Gold Chronograph Watch, Ref. 26320 - The Keystone Watches

Audemars Piguet Yellow Gold Chronograph Watch, Ref. 26320

Audemars Piguet Yellow Gold Chronograph Watch, Ref. 26320

Sold Out

 
Richard Mille - Richard Mille Chronograph Skeleton Felipe Massa Watch Ref. RM11 - The Keystone Watches

Richard Mille Chronograph Skeleton Felipe Massa Watch Ref. RM11

Richard Mille Chronograph Skeleton Felipe Massa Watch Ref. RM11

Sold Out

 
Audemars Piguet - Audemars Piguet Royal Oak Offshore Diver Chronograph Watch - The Keystone Watches

Audemars Piguet Royal Oak Offshore Diver Chronograph Watch

Audemars Piguet Royal Oak Offshore Diver Chronograph Watch

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Patek Philippe - Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960 - The Keystone Watches

Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960

Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960

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Audemars Piguet - Audemars Piguet White Gold Royal Oak Chronograph Frosted Watch Ref. 26331 - The Keystone Watches

Audemars Piguet White Gold Royal Oak Chronograph Frosted Watch Ref. 26331

Audemars Piguet White Gold Royal Oak Chronograph Frosted Watch Ref. 26331

Sold Out

 
Gevril - Gevril Steel Tribeca Paul Newman Chronograph Watch - The Keystone Watches

Gevril Steel Tribeca Paul Newman Chronograph Watch

Gevril Steel Tribeca Paul Newman Chronograph Watch

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5270 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5270

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5270

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne White Gold 1815 Chronograph Watch 402.026 - The Keystone Watches

A. Lange & Sohne White Gold 1815 Chronograph Watch 402.026

A. Lange & Sohne White Gold 1815 Chronograph Watch 402.026

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970

Patek Philippe Platinum Perpetual Calendar Chronograph Watch Ref. 5970

Sold Out

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

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270

Sold Out

 
Omega - Omega Steel Speedmaster Chronograph Watch Ref. 105.012 - The Keystone Watches

Omega Steel Speedmaster Chronograph Watch Ref. 105.012

Omega Steel Speedmaster Chronograph Watch Ref. 105.012

Sold Out

 
Audemars Piguet - Audemars Piguet Royal Oak Chronograph Blue Watch Ref. 25860ST - The Keystone Watches

Audemars Piguet Royal Oak Chronograph Blue Watch Ref. 25860ST

Audemars Piguet Royal Oak Chronograph Blue Watch Ref. 25860ST

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Patek Philippe - Patek Philippe Steel Monopusher Salmon Dial Chronograph Watch Ref. 5950 - The Keystone Watches

Patek Philippe Steel Monopusher Salmon Dial Chronograph Watch Ref. 5950

Patek Philippe Steel Monopusher Salmon Dial Chronograph Watch Ref. 5950

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Patek Philippe - Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960 - The Keystone Watches

Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960

Patek Philippe Platinum Annual Calendar Chronograph Watch Ref. 5960

Sold Out

 
Patek Philippe - Patek Philippe White Gold Chronograph Watch Ref. 5170 - The Keystone Watches

Patek Philippe White Gold Chronograph Watch Ref. 5170

Patek Philippe White Gold Chronograph Watch Ref. 5170

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Audemars Piguet - Audemars Piguet Royal Oak Chronograph Watch, Ref. 26320ST - The Keystone Watches

Audemars Piguet Royal Oak Chronograph Watch, Ref. 26320ST

Audemars Piguet Royal Oak Chronograph Watch, Ref. 26320ST

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Split Seconds Chronograph Watch Ref. 5004 - The Keystone Watches

Patek Philippe Platinum Perpetual Split Seconds Chronograph Watch Ref. 5004

Patek Philippe Platinum Perpetual Split Seconds Chronograph Watch Ref. 5004

Sold Out

 
Omega - Omega Yellow Gold Speedmaster Chronograph Watch - The Keystone Watches

Omega Yellow Gold Speedmaster Chronograph Watch

Omega Yellow Gold Speedmaster Chronograph Watch

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Chronograph Watch Ref. 5070 - The Keystone Watches

Patek Philippe Rose Gold Chronograph Watch Ref. 5070

Patek Philippe Rose Gold Chronograph Watch Ref. 5070

Sold Out

 
Audemars Piguet - Audemars Piguet Rose Gold Royal Oak Chronograph Watch - The Keystone Watches

Audemars Piguet Rose Gold Royal Oak Chronograph Watch

Audemars Piguet Rose Gold Royal Oak Chronograph Watch

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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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