This is the Ingenieur unreleased in Japan. Pop military design is only this model in the successive Ingenieur. Don't know how many more production is not very rare model in a rare yellow gold model no doubt. It is a further mechanism that tickles my mind Mania black dial.
3 ATM waterproof, Jaguar's made by LeCoultre calibre three-piece construction consists of 233 pieces of parts. 10-position winding Crown and sets alarm and time digital beeps.