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The Keystone

The Keystone is focused on bringing customers unique timepieces and an unparalleled experience in acquiring and engaging with vintage watches. We are dedicated to helping our customers further their watch knowledge and find the pieces that excite them. Whether you are looking to purchase your first watch or seeking the next rare piece for your collection, The Keystone is here to help.

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New Arrivals

Patek Philippe Gondolo 5041G-001 18k WG Unworn Gents 18k WG Black Dial with Perpetual Calendar 35.5mm Automatic 2013 Crocodile Leather Box, Certificate, and Additional Solid Case Back

Patek Philippe Gondolo 5041G-001 18k WG Unworn Gents 18k WG Black Dial with Perpetual Calendar 35.5mm Automatic 2013 Crocodile Leather Box, Certificate, and Additional Solid Case Back

Patek Philippe White Gold Perpetual Calendar Ref. 5041

$75,000.00

Vacheron Constantin Vintage N/A 18k WG Likely Never Polished, Original Finish NO STYLE SPECIFIED 18k WG Silver 21mm Manual 1960s White Gold Bracelet Original Box and Certificate

Vacheron Constantin Vintage N/A 18k WG Likely Never Polished, Original Finish NO STYLE SPECIFIED 18k WG Silver 21mm Manual 1960s White Gold Bracelet Original Box and Certificate

Vacheron Constantin White Gold Diamond Watch

$11,000.00

Rolex Quartz 19158 18k YG Likely Never Polished, Original Finish Unisex 18k YG Champagne with Multi Color Dial 36.5mm Quartz 1982 Yellow Gold Bracelet Original Box, Warranty, and Sales Receipt

Rolex Quartz 19158 18k YG Likely Never Polished, Original Finish Unisex 18k YG Champagne with Multi Color Dial 36.5mm Quartz 1982 Yellow Gold Bracelet Original Box, Warranty, and Sales Receipt

Rolex Yellow Oyster-Quartz Rainbow Watch Ref. 19158 with Original Box and Papers

$155,000.00

Daniel Roth Three Watch Set Special Edition 18k Gold Likely Never Polished, Original Finish Gents 18k Gold Grey 35mm Manual 1990s Crocodile Leather Original Box

Daniel Roth Three Watch Set Special Edition 18k Gold Likely Never Polished, Original Finish Gents 18k Gold Grey 35mm Manual 1990s Crocodile Leather Original Box

Daniel Roth Tourbillon, Retrograde Skeleton, Chronograph, Three Watch Set

$60,000.00

Audemars Piguet Royal Oak Special Order 18k YG Likely Never Polished, Original Finish NO STYLE SPECIFIED 18k YG Pave Diamond with Ruby Indexes 30.5mm Automatic 1980s Yellow Gold with Original Diamonds Leather Travel Case

Audemars Piguet Royal Oak Special Order 18k YG Likely Never Polished, Original Finish NO STYLE SPECIFIED 18k YG Pave Diamond with Ruby Indexes 30.5mm Automatic 1980s Yellow Gold with Original Diamonds Leather Travel Case

Audemars Piguet Yellow Gold Royal Oak Diamond Watch

$45,000.00

Cartier Tank N/A 18k YG Likely Never Polished, Original Finish Unisex 18k YG Original Silver Dial 20.15 X 27.5mm Manual 1959 Calf Leather Leather Travel Case

Cartier Tank N/A 18k YG Likely Never Polished, Original Finish Unisex 18k YG Original Silver Dial 20.15 X 27.5mm Manual 1959 Calf Leather Leather Travel Case

Cartier Yellow Gold Tank Watch, European Watch & Clock

$18,500.00

Piaget Vintage 3639 18k YG Likely Never Polished, Original Finish Ladies 18k YG Champagne with Black Roman Numerals 29mm Manual 1960s Yellow Gold Leather Travel Case

Piaget Vintage 3639 18k YG Likely Never Polished, Original Finish Ladies 18k YG Champagne with Black Roman Numerals 29mm Manual 1960s Yellow Gold Leather Travel Case

Piaget Yellow Gold Wide Bracelet Watch, 1960s

$13,500.00

Patek Philippe Perpetual Calendar Retrograde 5160G-001 18k WG Unworn Gents 18k WG Silver Dial 38mm Automatic 2013 Crocodile Leather Original Box

Patek Philippe Perpetual Calendar Retrograde 5160G-001 18k WG Unworn Gents 18k WG Silver Dial 38mm Automatic 2013 Crocodile Leather Original Box

Patek Philippe White Gold Perpetual Hand-Engraved Watch Ref. 5160

$155,000.00

Patek Philippe Grand Complication 5013R-001 18k RG Unworn Gents 18k RG Silver Dial 37mm Automatic 2013 Crocodile Leather Box, Certificate, and Additional Solid Case Back

Patek Philippe Grand Complication 5013R-001 18k RG Unworn Gents 18k RG Silver Dial 37mm Automatic 2013 Crocodile Leather Box, Certificate, and Additional Solid Case Back

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

$400,000.00

Omega Speedmaster 3510.82 Steel Likely Never Polished, Original Finish Gents Steel Blue with Silver Dial 38mm Automatic Early 2000s Stainless Steel Leather Travel Case

Omega Speedmaster 3510.82 Steel Likely Never Polished, Original Finish Gents Steel Blue with Silver Dial 38mm Automatic Early 2000s Stainless Steel Leather Travel Case

Omega Speedmaster Automatic Chronograph Watch Ref. 3510.82

$3,500.00

Patek Philippe Nautilus 4700J 18k YG Ladies 18k YG Blue 27.5mm Quartz 1991 Yellow Gold Bracelet Original Warranty Paper

Patek Philippe Nautilus 4700J 18k YG Ladies 18k YG Blue 27.5mm Quartz 1991 Yellow Gold Bracelet Original Warranty Paper

Patek Philippe Yellow Gold Watch Ref. 4700 with Original Warranty Paper

$12,500.00

Patek Philippe World Time 5130G-001 18k WG Likely Never Polished, Original Finish Gents 18k WG Silver 40mm Automatic Current Crocodile Leather Original Box and Certificate

Patek Philippe World Time 5130G-001 18k WG Likely Never Polished, Original Finish Gents 18k WG Silver 40mm Automatic Current Crocodile Leather Original Box and Certificate

Patek Philippe White Gold World Time Watch Ref. 5130

$33,000.00

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Passing Time

Model Profile: Patek Philippe Perpetual Calendar Minute Repeater Ref. 5074

Patek Philippe Perpetual Calendar Tourbillon Minute Repeater Ref. 5016