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Hublot Yellow Gold MDM Red Enamel Tank Watch Ref. 1582.3

Hublot Yellow Gold MDM Red Enamel Tank Watch Ref. 1582.3

Hublot Yellow Gold MDM Red Enamel Tank Watch Ref. 1582.3

"Price upon request"
 
Breguet White Gold Classique Automatic Watch, Retailed by Chaumet (New Arrival)

Breguet White Gold Classique Automatic Watch, Retailed by Chaumet (New Arrival)

Breguet White Gold Classique Automatic Watch, Retailed by Chaumet (New Arrival)

Sold Out

 
Patek Philippe Rose Gold Perpetual Calendar Ref. 3945 (New Arrival)

Patek Philippe Rose Gold Perpetual Calendar Ref. 3945 (New Arrival)

Patek Philippe Rose Gold Perpetual Calendar Ref. 3945 (New Arrival)

Sold Out

 
Rolex White Gold Day-Date Ref. 18039 with Attractive Tropical Dial (New Arrival)

Rolex White Gold Day-Date Ref. 18039 with Attractive Tropical Dial (New Arrival)

Rolex White Gold Day-Date Ref. 18039 with Attractive Tropical Dial (New Arrival)

Sold Out

 
Patek Philippe Calatrava Ref. 3579 with Box and Service Papers (New Arrival)

Patek Philippe Calatrava Ref. 3579 with Box and Service Papers (New Arrival)

Patek Philippe Calatrava Ref. 3579 with Box and Service Papers (New Arrival)

Sold Out

 
Rolex Rose Gold Chronogrape Anti-Magnetique Piccolino Ref. 3055

Rolex Rose Gold Chronogrape Anti-Magnetique Piccolino Ref. 3055

Rolex Rose Gold Chronogrape Anti-Magnetique Piccolino Ref. 3055

Sold Out

 
Rolex White Gold GMT Master II Ref. 116759SARU Sapphire and Ruby Bezel with Pave Diamond Dial and Card (New Arrival)

Rolex White Gold GMT Master II Ref. 116759SARU Sapphire and Ruby Bezel with Pave Diamond Dial and Card (New Arrival)

Rolex White Gold GMT Master II Ref. 116759SARU Sapphire and Ruby Bezel with Pave Diamond Dial and Card (New Arrival)

Sold Out

 
Patek Philippe World Time Flyback Chronograph Ref. 5935A-001 with Box and Papers (New Arrival)

Patek Philippe World Time Flyback Chronograph Ref. 5935A-001 with Box and Papers (New Arrival)

Patek Philippe World Time Flyback Chronograph Ref. 5935A-001 with Box and Papers (New Arrival)

Sold Out

 
Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5204 (New Arrival)

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5204 (New Arrival)

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 5204 (New Arrival)

Sold Out

 
Rolex White Gold GMT-Master II Ref. 116759SA (New Arrival)

Rolex White Gold GMT-Master II Ref. 116759SA (New Arrival)

Rolex White Gold GMT-Master II Ref. 116759SA (New Arrival)

Sold Out

 
Patek Philippe White Gold Calatrava Ref. 5108G (New Arrival)

Patek Philippe White Gold Calatrava Ref. 5108G (New Arrival)

Patek Philippe White Gold Calatrava Ref. 5108G (New Arrival)

Sold Out

 
A. Lange & Sohne White Gold Little Lange 1 Ref. 181.839 (New Arrival)

A. Lange & Sohne White Gold Little Lange 1 Ref. 181.839 (New Arrival)

A. Lange & Sohne White Gold Little Lange 1 Ref. 181.839 (New Arrival)

Sold Out

 
A. Lange & Sohne 330.026E White Gold Annual Calendar (New Arrival)

A. Lange & Sohne 330.026E White Gold Annual Calendar (New Arrival)

A. Lange & Sohne 330.026E White Gold Annual Calendar (New Arrival)

Sold Out

 
Patek Philippe Yellow Gold Golden Ellipse Ref. 3604 with Copper Dial, Recently Serviced

Patek Philippe Yellow Gold Golden Ellipse Ref. 3604 with Copper Dial, Recently Serviced

Patek Philippe Yellow Gold Golden Ellipse Ref. 3604 with Copper Dial, Recently Serviced

Sold Out

 
Audemars Piguet Platinum Grand Sonnerie Skeleton Watch with Diamonds, Possibly Unique

Audemars Piguet Platinum Grand Sonnerie Skeleton Watch with Diamonds, Possibly Unique

Audemars Piguet Platinum Grand Sonnerie Skeleton Watch with Diamonds, Possibly Unique

Sold Out

 
Patek Philippe Aquanaut Japan Edition Watch Ref. 5066 (New Arrival)

Patek Philippe Aquanaut Japan Edition Watch Ref. 5066 (New Arrival)

Patek Philippe Aquanaut Japan Edition Watch Ref. 5066 (New Arrival)

Sold Out

 
Patek Philippe White Gold Emerald Diamond Watch Ref. 3833 (New Arrival)

Patek Philippe White Gold Emerald Diamond Watch Ref. 3833 (New Arrival)

Patek Philippe White Gold Emerald Diamond Watch Ref. 3833 (New Arrival)

Sold Out

 
Patek Philippe White Gold Perpetual Calendar Chronograph Second Series, 3970

Patek Philippe White Gold Perpetual Calendar Chronograph Second Series, 3970

Patek Philippe White Gold Perpetual Calendar Chronograph Second Series, 3970

"Price upon request"
 
Rolex Yellow Gold Datejust Rainbow Watch Ref. 68058

Rolex Yellow Gold Datejust Rainbow Watch Ref. 68058

Rolex Yellow Gold Datejust Rainbow Watch Ref. 68058

"Price upon request"
 
Patek Philippe White Gold Perpetual Calendar 3448 on Original Bracelet

Patek Philippe White Gold Perpetual Calendar 3448 on Original Bracelet

Patek Philippe White Gold Perpetual Calendar 3448 on Original Bracelet

"Price upon request"
 
Richard Mille Rose Gold Tourbillon RM002 Box and Papers, Recently Serviced

Richard Mille Rose Gold Tourbillon RM002 Box and Papers, Recently Serviced

Richard Mille Rose Gold Tourbillon RM002 Box and Papers, Recently Serviced

Sold Out

 
Patek Philippe Steel Chronograph Ref. 130, Retailed by Gubelin

Patek Philippe Steel Chronograph Ref. 130, Retailed by Gubelin

Patek Philippe Steel Chronograph Ref. 130, Retailed by Gubelin

Sold Out

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New Arrivals Preview
 
Gerald Genta Steel Retro Fantasy Mickey Mouse Ref. M10 (New Arrival)

Gerald Genta Steel Retro Fantasy Mickey Mouse Ref. M10 (New Arrival)

Gerald Genta Steel Retro Fantasy Mickey Mouse Ref. M10 (New Arrival)

$18,500 USD
 
Breguet White Gold Classique Watch Ref. 3360 (New Arrival)

Breguet White Gold Classique Watch Ref. 3360 (New Arrival)

Breguet White Gold Classique Watch Ref. 3360 (New Arrival)

$9,800 USD
 
Patek Philippe Yellow Gold Calatrava Ref. 3796 (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 3796 (New Arrival)

Patek Philippe Yellow Gold Calatrava Ref. 3796 (New Arrival)

$13,500 USD
 
Audemars Piguet Disco Volante Watch Ref. 5093 (New Arrival)

Audemars Piguet Disco Volante Watch Ref. 5093 (New Arrival)

Audemars Piguet Disco Volante Watch Ref. 5093 (New Arrival)

$18,500 USD
 
Patek Philippe White Gold Automatic Calatrava Ref. 3593 (New Arrival)

Patek Philippe White Gold Automatic Calatrava Ref. 3593 (New Arrival)

Patek Philippe White Gold Automatic Calatrava Ref. 3593 (New Arrival)

$16,500 USD
 
Audemars Piguet Yellow Gold Royal Oak Watch Ref. 4100 with Khanjar Emblem of Oman (New Arrival)

Audemars Piguet Yellow Gold Royal Oak Watch Ref. 4100 with Khanjar Emblem of Oman (New Arrival)

Audemars Piguet Yellow Gold Royal Oak Watch Ref. 4100 with Khanjar Emblem of Oman (New Arrival)

$85,000 USD
 

Audemars Piguet Yellow Gold Royal Oak Perpetual Watch Ref. 25554 (New Arrival)

Audemars Piguet Yellow Gold Royal Oak Perpetual Watch Ref. 25554 (New Arrival)

$105,000 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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