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.
Patek Philippe Perpetual Calendar Ref. 3940
One of the most attractive and important references in Patek Philippe's long history may also offer the best value. Combining elegance and complication, the 3940 is an incredible reference from one of the most highly regarded brands.
Whether it's a yellow gold Daytona or a 1960s steel Datejust, vintage Rolex watches have rich character and history and each piece is unique, having spent years adding patina and style.