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Patek Philippe - Patek Philippe Nautilus Chronograph Blue Watch Ref. 5980 - The Keystone Watches

Patek Philippe Nautilus Chronograph Blue Watch Ref. 5980

Patek Philippe Nautilus Chronograph Blue Watch Ref. 5980

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Patek Philippe - Patek Philippe Annual Calendar Chronograph Watch Ref. 5960/1A - The Keystone Watches

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960/1A

Patek Philippe Annual Calendar Chronograph Watch Ref. 5960/1A

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Patek Philippe - Unworn Patek Philippe Platinum Chronograph Ref. 5070 in Original Plastic Seal - The Keystone Watches

Unworn Patek Philippe Platinum Chronograph Ref. 5070 in Original Plastic Seal

Unworn Patek Philippe Platinum Chronograph Ref. 5070 in Original Plastic Seal

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Patek Philippe - Patek Philippe Rose Gold Chronograph Pulsometer Scale Watch Ref. 533 - The Keystone Watches

Patek Philippe Rose Gold Chronograph Pulsometer Scale Watch Ref. 533

Patek Philippe Rose Gold Chronograph Pulsometer Scale Watch Ref. 533

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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

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Patek Philippe - Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990 - The Keystone Watches

Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990

Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990

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

Patek Philippe White Gold Chronograph Watch Ref. 5070G

Patek Philippe White Gold Chronograph Watch Ref. 5070G

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Vacheron Constantin - Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4072 - The Keystone Watches

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4072

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4072

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Patek Philippe - Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990 - The Keystone Watches

Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990

Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990

Sold Out

 
Omega - Omega Steel Speedmaster Broad Arrow Chronograph Watch - The Keystone Watches

Omega Steel Speedmaster Broad Arrow Chronograph Watch

Omega Steel Speedmaster Broad Arrow Chronograph Watch

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Patek Philippe - Patek Philippe Nautilus Chronograph Black Watch Ref. 5980 - The Keystone Watches

Patek Philippe Nautilus Chronograph Black Watch Ref. 5980

Patek Philippe Nautilus Chronograph Black Watch Ref. 5980

Sold Out

 
FP Journe - F.P. Journe Rose Gold Octa Chronograph Watch - The Keystone Watches

F.P. Journe Rose Gold Octa Chronograph Watch

F.P. Journe Rose Gold Octa Chronograph Watch

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

Audemars Piguet Royal Oak Chronograph Watch Ref. 26331

Audemars Piguet Royal Oak Chronograph Watch Ref. 26331

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Tag Heuer - Tag Heuer Monza Chronograph Watch Ref. CR2080.FC6375 - The Keystone Watches

Tag Heuer Monza Chronograph Watch Ref. CR2080.FC6375

Tag Heuer Monza Chronograph Watch Ref. CR2080.FC6375

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Omega - Omega Steel Speedmaster Professional Chronograph Moon watch - The Keystone Watches

Omega Steel Speedmaster Professional Chronograph Moon watch

Omega Steel Speedmaster Professional Chronograph Moon watch

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Patek Philippe - Patek Philippe Yellow Gold Chronograph Watch Ref. 130 - The Keystone Watches

Patek Philippe Yellow Gold Chronograph Watch Ref. 130

Patek Philippe Yellow Gold Chronograph Watch Ref. 130

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Audemars Piguet - Audemars Piguet Royal Oak Chronograph Watch Ref. 26331ST - The Keystone Watches

Audemars Piguet Royal Oak Chronograph Watch Ref. 26331ST

Audemars Piguet Royal Oak Chronograph Watch Ref. 26331ST

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Patek Philippe - Patek Philippe Two-Tone Rose Gold Nautilus Chronograph Watch Ref. 5980 - The Keystone Watches

Patek Philippe Two-Tone Rose Gold Nautilus Chronograph Watch Ref. 5980

Patek Philippe Two-Tone Rose Gold Nautilus Chronograph Watch Ref. 5980

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Omega - Omega Speedmaster Chronograph Watch Ref. 3515.20.00 - The Keystone Watches

Omega Speedmaster Chronograph Watch Ref. 3515.20.00

Omega Speedmaster Chronograph Watch Ref. 3515.20.00

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Omega - Omega Speedmaster Co-Axial Stainless Steel Chronograph on Strap - The Keystone Watches

Omega Speedmaster Co-Axial Stainless Steel Chronograph on Strap

Omega Speedmaster Co-Axial Stainless Steel Chronograph on Strap

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Patek Philippe - Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990 - The Keystone Watches

Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990

Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990

Sold Out

 
IWC - IWC Steel Portuguese Chronographon Strap Watch Ref. 3714 - The Keystone Watches

IWC Steel Portuguese Chronographon Strap Watch Ref. 3714

IWC Steel Portuguese Chronographon Strap Watch Ref. 3714

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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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