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Patek Philippe - Patek Philippe Yellow Gold Chronograph Ref. 3970, Fourth Series - The Keystone Watches

Patek Philippe Yellow Gold Chronograph Ref. 3970, Fourth Series

Patek Philippe Yellow Gold Chronograph Ref. 3970, Fourth Series

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5074, Single Sealed - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5074, Single Sealed

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5074, Single Sealed

"Price upon request"
 
Richard Mille Titanium Watch Ref. RM037

Richard Mille Titanium Watch Ref. RM037

Richard Mille Titanium Watch Ref. RM037

Sold Out

 

Patek Philippe Yellow Gold Ellipse Ref. 3738

Patek Philippe Yellow Gold Ellipse Ref. 3738

Sold Out

 

Patek Philippe Yellow Gold Aquanaut Ref. 5065

Patek Philippe Yellow Gold Aquanaut Ref. 5065

Sold Out

 

Patek Philippe Rose Gold Perpetual Calendar Split Seconds Chronograph Watch Ref. 5204

Patek Philippe Rose Gold Perpetual Calendar Split Seconds Chronograph Watch Ref. 5204

Sold Out

 
Audemars Piguet - Audemars Piguet Ladies White Gold Skeleton Watch Ref. 77176 - The Keystone Watches

Audemars Piguet Ladies White Gold Skeleton Watch Ref. 77176

Audemars Piguet Ladies White Gold Skeleton Watch Ref. 77176

$10,000 USD
 
Patek Philippe - Patek Philippe White Gold Grand Complication Minute Repeater Watch Ref. 5213 - The Keystone Watches

Patek Philippe White Gold Grand Complication Minute Repeater Watch Ref. 5213

Patek Philippe White Gold Grand Complication Minute Repeater Watch Ref. 5213

Sold Out

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

Patek Philippe Platinum Perpetual Calendar Chronograph Ref. 5970

Patek Philippe Platinum Perpetual Calendar Chronograph Ref. 5970

Sold Out

 

Cartier Platinum Tank Asymmetric Ref. WGTA0042

Cartier Platinum Tank Asymmetric Ref. WGTA0042

Sold Out

 

Patek Philippe Rose Gold Perpetual Calendar Ref. 5940 (New Arrival)

Patek Philippe Rose Gold Perpetual Calendar Ref. 5940 (New Arrival)

Sold Out

 

Rolex Steel Sea Dweller SD4K Ref. 116600

Rolex Steel Sea Dweller SD4K Ref. 116600

Sold Out

 

Rolex Steel GMT Master II Ref. 116710LN in New Old Stock Condition

Rolex Steel GMT Master II Ref. 116710LN in New Old Stock Condition

Sold Out

 

Cartier Steel Santos Dumont Black Enamel Ref. WSSA0046

Cartier Steel Santos Dumont Black Enamel Ref. WSSA0046

Sold Out

 
Rolex - Rolex White Gold Datejust Ref. 116139 - The Keystone Watches

Rolex White Gold Datejust Ref. 116139

Rolex White Gold Datejust Ref. 116139

Sold Out

 

Rolex Steel Datejust Ref. 116234 on Super Jubilee

Rolex Steel Datejust Ref. 116234 on Super Jubilee

Sold Out

 

Cartier White Gold Cloche Diamond Mecanique Watch Ref. 3398

Cartier White Gold Cloche Diamond Mecanique Watch Ref. 3398

Sold Out

 

Patek Philippe Platinum Perpetual Calendar Ref. 3940

Patek Philippe Platinum Perpetual Calendar Ref. 3940

Sold Out

 
Gerald Genta - Gerald Genta Rose Gold Chronograph Ref. 3376.7 - The Keystone Watches

Gerald Genta Rose Gold Chronograph Ref. 3376.7

Gerald Genta Rose Gold Chronograph Ref. 3376.7

$7,500 USD
 

A. Lange and Sohne Yellow Gold Grosse Langematik Gangreserve Ref. 304.048, Limited Wempe Anniversary Edition of 100

A. Lange and Sohne Yellow Gold Grosse Langematik Gangreserve Ref. 304.048, Limited Wempe Anniversary Edition of 100

Sold Out

 

Piaget White Gold Diamond Watch Ref. 9066 with Pave Dial

Piaget White Gold Diamond Watch Ref. 9066 with Pave Dial

$11,500 USD
 

Patek Philippe White Gold Jumbo Ellipse Ref. 3738

Patek Philippe White Gold Jumbo Ellipse Ref. 3738

Sold Out

 

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960P-016

Patek Philippe Platinum Annual Calendar Chronograph Ref. 5960P-016

Sold Out

 

Patek Philippe White Gold Chronograph Watch Ref. 5070 (New Arrival)

Patek Philippe White Gold Chronograph Watch Ref. 5070 (New Arrival)

Sold Out

 
Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5374 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5374

Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5374

$875,000 USD
 
Patek Philippe - Patek Philippe Platinum Grand Complications Minute Repeater Watch Ref. 5207 - The Keystone Watches

Patek Philippe Platinum Grand Complications Minute Repeater Watch Ref. 5207

Patek Philippe Platinum Grand Complications Minute Repeater Watch Ref. 5207

"Price upon request"
 

Rolex Yellow Gold GMT Master II Ref. 126718

Rolex Yellow Gold GMT Master II Ref. 126718

Sold Out

 

F.P. Journe Repetition Souverain Minute Repeater Watch

F.P. Journe Repetition Souverain Minute Repeater Watch

Sold Out

 

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 3970

Patek Philippe White Gold Perpetual Calendar Chronograph Ref. 3970

Sold Out

 

Patek Philippe Yellow Gold Perpetual Calendar Baguette Watch Ref. 3990

Patek Philippe Yellow Gold Perpetual Calendar Baguette Watch Ref. 3990

"Price upon request"
 

Patek Philippe Platinum Perpetual Calendar Split Seconds Watch Ref. 5204

Patek Philippe Platinum Perpetual Calendar Split Seconds Watch Ref. 5204

Sold Out

 

Patek Philippe Platinum World Time Watch Ref. 5131, Single Sealed

Patek Philippe Platinum World Time Watch Ref. 5131, Single Sealed

Sold Out

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

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

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

$450,000 USD
 

Audemars Piguet White Gold Royal Oak Ref. 15054 with Diamond and Emerald Dial

Audemars Piguet White Gold Royal Oak Ref. 15054 with Diamond and Emerald Dial

Sold Out

 
Patek Philippe - Patek Philippe White Gold Flower Handcraft Ref. 5075 - The Keystone Watches

Patek Philippe White Gold Flower Handcraft Ref. 5075

Patek Philippe White Gold Flower Handcraft Ref. 5075

Sold Out

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New Arrivals Preview
 
Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

Gerald Genta Fantasy Retro M.10 MOP Mickey Mouse for Hong Kong Disney Watch (New Arrival)

$23,750 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL) - The Keystone Watches

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

Vacheron Constantin Yellow Gold Grand Complication Pocket Watch (NEW ARRIVAL)

$155,000 USD
 
Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

Cartier Yellow Gold Tank Obus Ref. 1630 with Black Enamel (New Arrival)

$14,500 USD
 
Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

Patek Philippe Steel Automatic UFO Ref. 3580 (New Arrival)

$13,250 USD
 
Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

Patek Philiipe Rose Gold Calatrava Watch Ref. 3796 (New Arrival)

$16,500 USD
 

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

$17,750 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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