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Audemars Piguet - Audemars Piguet Two-Tone Royal Oak Day-Date Moonphase Watch - The Keystone Watches

Audemars Piguet Two-Tone Royal Oak Day-Date Moonphase Watch

Audemars Piguet Two-Tone Royal Oak Day-Date Moonphase Watch

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Universal Geneve - Universal Geneve White Gold Golden Shadow Watch - The Keystone Watches

Universal Geneve White Gold Golden Shadow Watch

Universal Geneve White Gold Golden Shadow Watch

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Rolex - Rolex Yellow Gold Datejust Watch Ref. 6517 with Original Warranty Papers - The Keystone Watches

Rolex Yellow Gold Datejust Watch Ref. 6517 with Original Warranty Papers

Rolex Yellow Gold Datejust Watch Ref. 6517 with Original Warranty Papers

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Vacheron Constantin - Vacheron Constantin White Gold Lapis Dial Watch - The Keystone Watches

Vacheron Constantin White Gold Lapis Dial Watch

Vacheron Constantin White Gold Lapis Dial Watch

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Rolex - Rolex White Gold Day-Date in New Old Stock Condition, Made for Saudi Aviation SNAS - The Keystone Watches

Rolex White Gold Day-Date in New Old Stock Condition, Made for Saudi Aviation SNAS

Rolex White Gold Day-Date in New Old Stock Condition, Made for Saudi Aviation SNAS

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Audemars Piguet - Audemars Piguet Royal Oak Chronograph Blue Watch Ref. 25860ST - The Keystone Watches

Audemars Piguet Royal Oak Chronograph Blue Watch Ref. 25860ST

Audemars Piguet Royal Oak Chronograph Blue Watch Ref. 25860ST

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Rolex - Rolex Yellow Gold Date Watch Ref. 1503 - The Keystone Watches

Rolex Yellow Gold Date Watch Ref. 1503

Rolex Yellow Gold Date Watch Ref. 1503

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Franck Muller - Franck Muller Yellow Gold Cloisonne World Map Watch - The Keystone Watches

Franck Muller Yellow Gold Cloisonne World Map Watch

Franck Muller Yellow Gold Cloisonne World Map Watch

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Piaget - Piaget White Gold Bracelet Watch - The Keystone Watches

Piaget White Gold Bracelet Watch

Piaget White Gold Bracelet Watch

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Rolex - Rolex Yellow Gold Day-Date Blue Vignette Diamond Watch - The Keystone Watches

Rolex Yellow Gold Day-Date Blue Vignette Diamond Watch

Rolex Yellow Gold Day-Date Blue Vignette Diamond Watch

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Rolex - Rolex Yellow Gold Oyster Perpetual Black Gilt Dial Watch Ref. 6567 - The Keystone Watches

Rolex Yellow Gold Oyster Perpetual Black Gilt Dial Watch Ref. 6567

Rolex Yellow Gold Oyster Perpetual Black Gilt Dial Watch Ref. 6567

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Rolex - Rolex Cosmograph Daytona Watch Ref. 116520 - The Keystone Watches

Rolex Cosmograph Daytona Watch Ref. 116520

Rolex Cosmograph Daytona Watch Ref. 116520

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Audemars Piguet - Audemars Piguet White Gold Ultra-Thin Strap Watch - The Keystone Watches

Audemars Piguet White Gold Ultra-Thin Strap Watch

Audemars Piguet White Gold Ultra-Thin Strap Watch

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Rolex - Rolex Platinum Day-Date Diamond Watch Ref. 18036 - The Keystone Watches

Rolex Platinum Day-Date Diamond Watch Ref. 18036

Rolex Platinum Day-Date Diamond Watch Ref. 18036

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Patek Philippe - Patek Philippe Yellow Gold Strap Watch, Ref. 2562, Retailed by Tiffany & Co. - The Keystone Watches

Patek Philippe Yellow Gold Strap Watch, Ref. 2562, Retailed by Tiffany & Co.

Patek Philippe Yellow Gold Strap Watch, Ref. 2562, Retailed by Tiffany & Co.

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Audemars Piguet - Audemars Piguet White Gold Bracelet Watch - The Keystone Watches

Audemars Piguet White Gold Bracelet Watch

Audemars Piguet White Gold Bracelet Watch

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Vacheron Constantin - Vacheron Constantin Yellow Gold Bracelet Watch - The Keystone Watches

Vacheron Constantin Yellow Gold Bracelet Watch

Vacheron Constantin Yellow Gold Bracelet Watch

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Cartier - Cartier Yellow Gold Maxi Oval Watch - The Keystone Watches

Cartier Yellow Gold Maxi Oval Watch

Cartier Yellow Gold Maxi Oval Watch

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Cartier - Cartier Yellow Gold Tank Cintree Watch, Circa 1970 - The Keystone Watches

Cartier Yellow Gold Tank Cintree Watch, Circa 1970

Cartier Yellow Gold Tank Cintree Watch, Circa 1970

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Cartier - Cartier Yellow Gold Bamboo Coussin Watch - The Keystone Watches

Cartier Yellow Gold Bamboo Coussin Watch

Cartier Yellow Gold Bamboo Coussin Watch

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Piaget - Piaget Yellow Gold Bamboo Jade Watch, 1970s - The Keystone Watches

Piaget Yellow Gold Bamboo Jade Watch, 1970s

Piaget Yellow Gold Bamboo Jade Watch, 1970s

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

Patek Phlippe Yellow Gold Nautilus Automatic Watch Ref. 3800

Patek Phlippe Yellow Gold Nautilus Automatic Watch Ref. 3800

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Patek Philippe - Patek Phlippe White Gold Bracelet Watch Ref. 3430 - The Keystone Watches

Patek Phlippe White Gold Bracelet Watch Ref. 3430

Patek Phlippe White Gold Bracelet Watch Ref. 3430

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

Patek Philippe Yellow Gold, Emerald Nautilus Diamond Watch Ref. 3800

Patek Philippe Yellow Gold, Emerald Nautilus Diamond Watch Ref. 3800

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Cartier - Cartier Yellow Gold Tank Ceinture Watch - The Keystone Watches

Cartier Yellow Gold Tank Ceinture Watch

Cartier Yellow Gold Tank Ceinture Watch

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Rolex - Rolex Day-Date Yellow Gold Bark Finish Baguette Diamond Watch Ref. 18248 - The Keystone Watches

Rolex Day-Date Yellow Gold Bark Finish Baguette Diamond Watch Ref. 18248

Rolex Day-Date Yellow Gold Bark Finish Baguette Diamond Watch Ref. 18248

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Rolex - Rolex Yellow Gold Day-Date Onyx Dial Watch Ref. 18038 - The Keystone Watches

Rolex Yellow Gold Day-Date Onyx Dial Watch Ref. 18038

Rolex Yellow Gold Day-Date Onyx Dial Watch Ref. 18038

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Rolex - Rolex Yellow Gold Day-Date Wood Dial Watch Ref. 18038 - The Keystone Watches

Rolex Yellow Gold Day-Date Wood Dial Watch Ref. 18038

Rolex Yellow Gold Day-Date Wood Dial Watch Ref. 18038

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

Patek Philippe Two-Tone Nautilus Ref. 3800

Patek Philippe Two-Tone Nautilus Ref. 3800

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Patek Philippe - Patek Philippe Nautilus Blue Dial Watch Ref. 7118 - The Keystone Watches

Patek Philippe Nautilus Blue Dial Watch Ref. 7118

Patek Philippe Nautilus Blue Dial Watch Ref. 7118

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Piaget - Piaget Yellow Gold Diamond & Onyx Watch - The Keystone Watches

Piaget Yellow Gold Diamond & Onyx Watch

Piaget Yellow Gold Diamond & Onyx Watch

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Audemars Piguet - Audemars Piguet White Gold Frosted Royal Oak Watch - The Keystone Watches

Audemars Piguet White Gold Frosted Royal Oak Watch

Audemars Piguet White Gold Frosted Royal Oak Watch

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Rolex - Rolex Yellow Gold Datejust Jubilee Watch Ref. 1601 - The Keystone Watches

Rolex Yellow Gold Datejust Jubilee Watch Ref. 1601

Rolex Yellow Gold Datejust Jubilee Watch Ref. 1601

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Cartier - Cartier Yellow Gold Asymmetrical Tank Watch, Piece Unique - The Keystone Watches

Cartier Yellow Gold Asymmetrical Tank Watch, Piece Unique

Cartier Yellow Gold Asymmetrical Tank Watch, Piece Unique

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Rolex - Rolex Yellow Gold Day-Date Watch Ref. 18038, Retailed by Tiffany & Co. - The Keystone Watches

Rolex Yellow Gold Day-Date Watch Ref. 18038, Retailed by Tiffany & Co.

Rolex Yellow Gold Day-Date Watch Ref. 18038, Retailed by Tiffany & Co.

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Rolex - Rolex Yellow Gold Day-Date Pave Diamond Watch Ref. 18138 - The Keystone Watches

Rolex Yellow Gold Day-Date Pave Diamond Watch Ref. 18138

Rolex Yellow Gold Day-Date Pave Diamond Watch Ref. 18138

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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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