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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 White Gold Perpetual Calendar Watch Ref. 3940 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe White Gold Perpetual Calendar Watch Ref. 3940

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Patek Philippe - Patek Philippe Rose Gold Nautilus Moonphase Watch Ref. 5712R - The Keystone Watches

Patek Philippe Rose Gold Nautilus Moonphase Watch Ref. 5712R

Patek Philippe Rose Gold Nautilus Moonphase Watch Ref. 5712R

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Patek Philippe - Patek Philippe White Gold Annual Calendar Ref. 5146 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Ref. 5146

Patek Philippe White Gold Annual Calendar Ref. 5146

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Patek Philippe - Patek Philippe Aquanaut Jumbo Watch Ref. 5167 - The Keystone Watches

Patek Philippe Aquanaut Jumbo Watch Ref. 5167

Patek Philippe Aquanaut Jumbo Watch Ref. 5167

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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 Watch Ref. 2594 - The Keystone Watches

Patek Philippe White Gold Watch Ref. 2594

Patek Philippe White Gold Watch Ref. 2594

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 3445 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 3445

Patek Philippe Yellow Gold Calatrava Watch Ref. 3445

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Patek Philippe - Patek Philippe Platinum Gondolo Tiffany & Co. Ref. 5135 - The Keystone Watches

Patek Philippe Platinum Gondolo Tiffany & Co. Ref. 5135

Patek Philippe Platinum Gondolo Tiffany & Co. Ref. 5135

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Tiffany & Co Watch Ref. 425 - The Keystone Watches

Patek Philippe Yellow Gold Tiffany & Co Watch Ref. 425

Patek Philippe Yellow Gold Tiffany & Co Watch Ref. 425

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Patek Philippe - Patek Philippe Steel Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 3800

Patek Philippe Steel Nautilus Watch Ref. 3800

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3448 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3448

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3448

Sold Out

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

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Annual Calendar Watch Ref. 5146 - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5146

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5146

Sold Out

 
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 Skeletonized Ultra-Thin Watch Ref. 5180 - The Keystone Watches

Patek Philippe White Gold Skeletonized Ultra-Thin Watch Ref. 5180

Patek Philippe White Gold Skeletonized Ultra-Thin Watch Ref. 5180

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 3919 Retailed By Tiffany & Co. - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 3919 Retailed By Tiffany & Co.

Patek Philippe Yellow Gold Calatrava Watch Ref. 3919 Retailed By Tiffany & Co.

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Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 5270 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5270

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5270

Sold Out

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

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5970

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5970

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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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Patek Philippe - Patek Philippe White & Rose Gold Nautilus Moonphase Watch Ref. 5712GR - The Keystone Watches

Patek Philippe White & Rose Gold Nautilus Moonphase Watch Ref. 5712GR

Patek Philippe White & Rose Gold Nautilus Moonphase Watch Ref. 5712GR

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

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Patek Philippe - Patek Philippe White Gold World Time NY Edition Watch Ref. 5230 - The Keystone Watches

Patek Philippe White Gold World Time NY Edition Watch Ref. 5230

Patek Philippe White Gold World Time NY Edition Watch Ref. 5230

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Patek Philippe - Patek Philippe Stainless Steel Aquanaut Jumbo Watch Ref. 5167 - The Keystone Watches

Patek Philippe Stainless Steel Aquanaut Jumbo Watch Ref. 5167

Patek Philippe Stainless Steel Aquanaut Jumbo Watch Ref. 5167

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Patek Philippe - Patek Philippe Rare Handcrafts Grand Canyon Watch Ref. 5089 - The Keystone Watches

Patek Philippe Rare Handcrafts Grand Canyon Watch Ref. 5089

Patek Philippe Rare Handcrafts Grand Canyon Watch Ref. 5089

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Patek Philippe - Patek Philippe Rose Gold Annual Calendar Moonphase Watch Ref. 5205 - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Moonphase Watch Ref. 5205

Patek Philippe Rose Gold Annual Calendar Moonphase Watch Ref. 5205

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Calatrava Tiffany & Co Watch Ref. 3468 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Tiffany & Co Watch Ref. 3468

Patek Philippe Yellow Gold Calatrava Tiffany & Co Watch Ref. 3468

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Patek Philippe - Patek Philippe Stainless Steel Waterproof Watch Ref. 3579 - The Keystone Watches

Patek Philippe Stainless Steel Waterproof Watch Ref. 3579

Patek Philippe Stainless Steel Waterproof Watch Ref. 3579

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Patek Philippe - Patek Philippe Rose Gold Calatrava Watch Ref. 3796 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Watch Ref. 3796

Patek Philippe Rose Gold Calatrava Watch Ref. 3796

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Patek Philippe - Patek Philippe Steel Aquanaut Watch Ref. 5167 - The Keystone Watches

Patek Philippe Steel Aquanaut Watch Ref. 5167

Patek Philippe Steel Aquanaut Watch Ref. 5167

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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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Patek Philippe - Patek Philippe Aquanaut Travel Time Watch Ref. 5164a - The Keystone Watches

Patek Philippe Aquanaut Travel Time Watch Ref. 5164a

Patek Philippe Aquanaut Travel Time Watch Ref. 5164a

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Patek Philippe - Patek Philippe White Gold Calatrava Strap Watch Ref. 3919 - The Keystone Watches

Patek Philippe White Gold Calatrava Strap Watch Ref. 3919

Patek Philippe White Gold Calatrava Strap Watch Ref. 3919

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Patek Philippe - Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235G - The Keystone Watches

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235G

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235G

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Calatrava Watch Ref. 5196 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Watch Ref. 5196

Patek Philippe Rose Gold Calatrava Watch Ref. 5196

Sold Out

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New Arrivals Preview
 
Piaget - Piaget White Gold Mechanical Bracelet Watch Ref. P10178 (New Arrival) - The Keystone Watches

Piaget White Gold Mechanical Bracelet Watch Ref. P10178 (New Arrival)

Piaget White Gold Mechanical Bracelet Watch Ref. P10178 (New Arrival)

$10,750 USD
 
Piaget - Piaget White Gold Watch Ref. 80131 (New Arrival) - The Keystone Watches

Piaget White Gold Watch Ref. 80131 (New Arrival)

Piaget White Gold Watch Ref. 80131 (New Arrival)

$9,500 USD
 
Omega - Omega Yellow Gold Automatic Watch Retailed by Turler (New Arrival) - The Keystone Watches

Omega Yellow Gold Automatic Watch Retailed by Turler (New Arrival)

Omega Yellow Gold Automatic Watch Retailed by Turler (New Arrival)

$4,950 USD
 
Breguet - Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL) - The Keystone Watches

Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL)

Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL)

$7,200 USD
 
Audemars Piguet - Audemars Piguet White Gold Round Watch with Beaded Bracelet and Pave Diamond and Sapphire Dial (New Arrival) - The Keystone Watches

Audemars Piguet White Gold Round Watch with Beaded Bracelet and Pave Diamond and Sapphire Dial (New Arrival)

Audemars Piguet White Gold Round Watch with Beaded Bracelet and Pave Diamond and Sapphire Dial (New Arrival)

$9,800 USD
 
Louis Vuitton - Louis Vuitton Green Ceramic Monterey II (New Arrival) - The Keystone Watches

Louis Vuitton Green Ceramic Monterey II (New Arrival)

Louis Vuitton Green Ceramic Monterey II (New Arrival)

$8,800 USD
 
Omega - Omega Yellow Gold Vintage Pocket Watch 1182.61 (New Arrival) - The Keystone Watches

Omega Yellow Gold Vintage Pocket Watch 1182.61 (New Arrival)

Omega Yellow Gold Vintage Pocket Watch 1182.61 (New Arrival)

$6,500 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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