Ingenieur 666 A Automatic Pellaton Cal 853 Amagnetic Faraday Cage 1959 to 1967 Jumbo 666A
IWC Ingenieur 666 A Automatic Pellaton Cal 853 Amagnetic Faraday Cage 1959 to 1967 Jumbo 666A (reference 666 A), a 36 mm watch introduced in 1959; now discontinued.