This watch was given to a friend of mine by King Ibn Saud II of Saudi Arabia in 1955 after he flew a US Air Force fighter jet demonstration in Dhahran. I would appreciate any information on this type of watch.
Exterior of Case
Wider view of opened watch.
The watch is gold filled.
It has an ETA 850 movement.
Markings: K.B. 171, 20 Micron rolled gold, warranted, Swiss made.
Thanks for any help with history.