IWC Schaffhausen, or International Watch Company, is a Swiss watch brand founded in 1868 by American Florentine Ariosto Jones. The brand is known for its high-quality and technologically advanced watches. Vintage IWC watches are watches that were made before 1999 and can now be classified as antique or collectible watches.

There are many different vintage IWC models, each with their own unique features and history. Some of the more popular vintage IWC models are the Mark series, the Ingenieur series, and the Pilot’s Watch series.

The Mark series, introduced in 1948, was one of the first IWC models with an automatic movement. The Mark XI was specifically designed for military use and was used by the British Royal Air Force. This watch was known for its reliability and precision.

The Ingenieur series, introduced in 1955, was designed by German watchmaker and engineer Gustave Adolf Lange. The watch was intended to be resistant to shocks and vibrations, making it the ideal watch for people working in challenging environments.

The Pilot’s Watch series, introduced in 1936, was originally intended for pilots. The watch was equipped with useful features such as a rotating bezel and larger hands and numerals, making it easy to read the time during flights.

Vintage IWC watches are now popular with collectors due to their unique designs and their history. Many of these watches are now rare and can be worth thousands of dollars. If you are looking for a vintage IWC watch, it is advisable to buy from a reputable source and to have the watch checked by a professional watchmaker before purchasing it.