IWC Big Pilot's Watch

A very large observer's watch with a pocket-watch movement, which returned as a modern model in 2002.
The watch was made in 1940 for the observers of the German air force and was produced in about a thousand examples. The Big Pilot of 2002 took up the form and became one of IWC's best-known models.
Materials: Steel, soft iron; hand-wound pocket-watch movement
Manufacture: Made in Schaffhausen; the case was 55 millimetres wide.
The large conical crown that can be turned with gloves on.
The triangle at twelve with two dots.