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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 3945 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 3945

Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 3945

Sold Out

 
Rolex - Rolex R-Series Explorer Stainless Steel Ref. 1016 - The Keystone Watches

Rolex R-Series Explorer Stainless Steel Ref. 1016

Rolex R-Series Explorer Stainless Steel Ref. 1016

Sold Out

 
Rolex - Rolex Steel GMT-Master Watch Ref. 16750 - The Keystone Watches

Rolex Steel GMT-Master Watch Ref. 16750

Rolex Steel GMT-Master Watch Ref. 16750

Sold Out

 
Rolex - Rolex Explorer R-Series Watch Ref. 1016 with Paper - The Keystone Watches

Rolex Explorer R-Series Watch Ref. 1016 with Paper

Rolex Explorer R-Series Watch Ref. 1016 with Paper

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Patek Philippe - Patek Philippe Yellow Gold 2nd Series Perpetual Calendar Chrono Watch Ref. 3970 - The Keystone Watches

Patek Philippe Yellow Gold 2nd Series Perpetual Calendar Chrono Watch Ref. 3970

Patek Philippe Yellow Gold 2nd Series Perpetual Calendar Chrono Watch Ref. 3970

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Patek Philippe - Patek Philippe Two-Tone Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Two-Tone Nautilus Watch Ref. 3800

Patek Philippe Two-Tone Nautilus Watch Ref. 3800

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chrono Baguette Watch Ref. 3990 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chrono Baguette Watch Ref. 3990

Patek Philippe Yellow Gold Perpetual Calendar Chrono Baguette Watch Ref. 3990

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Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013

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Patek Philippe - Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204 - The Keystone Watches

Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204

Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne Platinum Datograph Baguette Diamond Up Down Watch Ref. 405.835 - The Keystone Watches

A. Lange & Sohne Platinum Datograph Baguette Diamond Up Down Watch Ref. 405.835

A. Lange & Sohne Platinum Datograph Baguette Diamond Up Down Watch Ref. 405.835

Sold Out

 
A. Lange & Sohne - A. Lange & Sohne Rose Gold Saxonia Watch Ref. 216.033 - The Keystone Watches

A. Lange & Sohne Rose Gold Saxonia Watch Ref. 216.033

A. Lange & Sohne Rose Gold Saxonia Watch Ref. 216.033

Sold Out

 
Audemars Piguet - Audemars Piguet Royal Oak Chronograph City of Sails Watch Ref. 25979 - The Keystone Watches

Audemars Piguet Royal Oak Chronograph City of Sails Watch Ref. 25979

Audemars Piguet Royal Oak Chronograph City of Sails Watch Ref. 25979

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Omega - Omega Stainless Steel Speedmaster Watch Ref. 145.022 - The Keystone Watches

Omega Stainless Steel Speedmaster Watch Ref. 145.022

Omega Stainless Steel Speedmaster Watch Ref. 145.022

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Rolex - Rolex Stainless Steel Submariner Ref. 5513 - The Keystone Watches

Rolex Stainless Steel Submariner Ref. 5513

Rolex Stainless Steel Submariner Ref. 5513

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A. Lange & Sohne - A. Lange & Sohne Yellow Gold Lange 1 Watch Ref. 101.021 - The Keystone Watches

A. Lange & Sohne Yellow Gold Lange 1 Watch Ref. 101.021

A. Lange & Sohne Yellow Gold Lange 1 Watch Ref. 101.021

Sold Out

 
Rolex - Rolex Yellow Gold Submariner Watch Ref. 16618 - The Keystone Watches

Rolex Yellow Gold Submariner Watch Ref. 16618

Rolex Yellow Gold Submariner Watch Ref. 16618

Sold Out

 
Heuer - Heuer Autavia Automatic Watch Ref. 1163V - The Keystone Watches

Heuer Autavia Automatic Watch Ref. 1163V

Heuer Autavia Automatic Watch Ref. 1163V

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Rolex - Rolex Steel Explorer Gilt Chapter Ring Watch Ref. 1016 - The Keystone Watches

Rolex Steel Explorer Gilt Chapter Ring Watch Ref. 1016

Rolex Steel Explorer Gilt Chapter Ring Watch Ref. 1016

Sold Out

 
Heuer - Heuer Olive Green Chonograph PVD Ref. 510.502 - The Keystone Watches

Heuer Olive Green Chonograph PVD Ref. 510.502

Heuer Olive Green Chonograph PVD Ref. 510.502

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Watch Ref. 5035R - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5035R

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5035R

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Rolex - Rolex Two-Tone GMT-Master II Root Beer Watch Ref. 16713 - The Keystone Watches

Rolex Two-Tone GMT-Master II Root Beer Watch Ref. 16713

Rolex Two-Tone GMT-Master II Root Beer Watch Ref. 16713

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Chrono Watch Ref. 5970 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Chrono Watch Ref. 5970

Patek Philippe Rose Gold Perpetual Calendar Chrono Watch Ref. 5970

Sold Out

 
Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 570 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 570

Patek Philippe White Gold Calatrava Watch Ref. 570

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

Omega Yellow Gold Speedmaster Strap Watch

Omega Yellow Gold Speedmaster Strap Watch

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Rolex - Vintage Rolex Submariner Stainless Steel Ref. 16800 - The Keystone Watches

Vintage Rolex Submariner Stainless Steel Ref. 16800

Vintage Rolex Submariner Stainless Steel Ref. 16800

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940J - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940J

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940J

Sold Out

 
Vacheron Constantin - Vacheron Constantin Yellow Gold Automatic Strap Watch - The Keystone Watches

Vacheron Constantin Yellow Gold Automatic Strap Watch

Vacheron Constantin Yellow Gold Automatic Strap Watch

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Audemars Piguet - Audemars Piguet Royal Oak Steel Watch Ref. 56143 - The Keystone Watches

Audemars Piguet Royal Oak Steel Watch Ref. 56143

Audemars Piguet Royal Oak Steel Watch Ref. 56143

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Patek Philippe - Patek Philippe Rose Gold Calatrava Retailed by Serpico y Laino Ref. 570 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Retailed by Serpico y Laino Ref. 570

Patek Philippe Rose Gold Calatrava Retailed by Serpico y Laino Ref. 570

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Automatic Watch Ref. 3514 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Automatic Watch Ref. 3514

Patek Philippe Yellow Gold Calatrava Automatic Watch Ref. 3514

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Heuer - Heuer Monaco Chronograph Bracelet Watch Ref. 73633 - The Keystone Watches

Heuer Monaco Chronograph Bracelet Watch Ref. 73633

Heuer Monaco Chronograph Bracelet Watch Ref. 73633

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Rolex - Vintage Rolex Yellow Gold Submariner Ref. 16808 - The Keystone Watches

Vintage Rolex Yellow Gold Submariner Ref. 16808

Vintage Rolex Yellow Gold Submariner Ref. 16808

Sold Out

 
Rolex - Rolex Stainless Steel Date Watch Ref. 1500 - The Keystone Watches

Rolex Stainless Steel Date Watch Ref. 1500

Rolex Stainless Steel Date Watch Ref. 1500

Sold Out

 
Audemars Piguet - Audemars Piguet Yellow Gold Royal Oak Jumbo Ref. 5402 - The Keystone Watches

Audemars Piguet Yellow Gold Royal Oak Jumbo Ref. 5402

Audemars Piguet Yellow Gold Royal Oak Jumbo Ref. 5402

Sold Out

 
Vacheron Constantin - Vacheron Constantin Yellow Gold Cioccolato Strap Watch - The Keystone Watches

Vacheron Constantin Yellow Gold Cioccolato Strap Watch

Vacheron Constantin Yellow Gold Cioccolato Strap Watch

Sold Out

 
Omega - Omega Speedmaster Professional Tropical Brown Ref. 145.022 - The Keystone Watches

Omega Speedmaster Professional Tropical Brown Ref. 145.022

Omega Speedmaster Professional Tropical Brown Ref. 145.022

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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