IWC’s Use of the ETA-Valjoux Chronograph Movements by Christian H. Niemann
7 IWC calibre 7902 base: Valjoux 7750 ca. 1988 - 1996 automatic winding movement with date- and weekday-indication Gold plated with IWC’s surface-finishing. Decorated, assembled and regulated at Schaffhausen. Original Valjoux regulation-system. USED ......