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Patek Philippe Rose Gold Pilot Ref. 5524R

$53,500.00

Patek Philippe Yellow Gold and Diamond Skeleton Watch Ref. 3881

$38,000.00

Patek Philippe Yellow Gold Skeletonized Enamel Watch Ref. 3885

$38,000.00

Rolex Steel Gilt Underline Dial GMT-Master Ref. 1675

$44,000.00

Cartier Yellow Gold Tank Louis Mechanical Watch

$7,800.00

Rolex Steel Maxi Dial Submariner Ref. 5513 with Original Warranty

$24,000.00

Audemars Piguet White Gold Diamond Skeleton with Original Box and Paper

$16,500.00

Cartier White Gold Diamond Watch

$20,000.00

Patek Philippe Yellow Gold Calatrava Ref. 2526

$48,000.00

Cartier Yellow Gold Tank Normale Watch

$18,500.00

Cartier Yellow Gold Vintage Santos

$25,000.00

Patek Philippe Steel Nautilus Ref. 3800

$75,000.00

Cartier White Gold Tank Louis

$10,500.00

Patek Philippe Rose Gold 10-Day Power Reserve Watch Ref 5100

$39,500.00

Cartier Yellow Gold Tank Cintree Watch

$35,000.00

Audemars Piguet Yellow Gold Royal Oak with Box and Papers

$27,500.00

Patek Philippe Steel Automatic Backwind Ref. 3580 with Tropical Dial

$11,500.00

Audemars Piguet Rose Gold and Tantalum Royal Oak Watch Ref. 14790

$45,000.00

Rolex Yellow Gold Day-Date Ref. 1803

$17,500.00

Audemars Piguet Yellow Gold Diamond Watch with Omani Ruler retailed by Asprey

$19,000.00

Audemars Piguet Yellow Gold Early Royal Oak Offshore Ref. 25808BA

$45,000.00

Breguet Yellow Gold Serpentine Triple Date Moonphase Ref. 3040

$18,500.00

A. Lange & Sohne Rose Gold Lange 1 Ref. 111.031

$38,000.00

Audemars Steel Piguet Royal Oak Ref. 15000ST

$30,000.00

Patek Philippe Yellow Gold Beta 21 Watch Ref. 3587

$125,000.00

Richard Mille RM50-02 Airbus II, Limited to 10

$1,750,000.00

Audemars Piguet Rose Gold Concept Flying Tourbillon Ref 26228, Limited Edition of Five

$450,000.00

Patek Philippe White Gold 10-Day Power Reserve Watch Ref. 5100

$58,500.00

Cartier Rose Gold Tortue Tourbillon Chronograph

$115,000.00

F.P. Journe Aluminum Octa Sport Watch

$100,000.00

Richard Mille Titanium Automatic Extra Flat RM67-01

$225,000.00

Audemars Piguet Yellow Gold Royal Oak Ref. 5402

$210,000.00

Audemars Piguet White Gold Edward Piguet Tourbillon Watch

$38,500.00

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5040

$65,000.00

Audemars Piguet Platinum Jump Hour Minute Repeater Ref. 26151

$165,000.00

Rolex Steel Submariner Ref. 5513

$18,000.00
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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. 

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CONTACT US

You can reach us by emailing hello@thekeystone.com or call 213-632-9061

We are based in Beverly Hills, 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.

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