IWC
Ingenieur
IW323902
Gerald Genta design. The soft iron inner case creates a Faraday cage protecting the movement from magnetic fields up to 40,000 A/m.
Also in Professional Swiss
IWC
IW323902
Gerald Genta design. The soft iron inner case creates a Faraday cage protecting the movement from magnetic fields up to 40,000 A/m.
Also in Professional Swiss