Model family · IWC
Big Pilot
1 references1 variant1940
IWC’s oversized pilot’s watch, born as the 55 mm ref. 431 observation watch (B-Uhr) for the Luftwaffe in 1940 and revived for civilians in 2002.
Family timeline
All recorded years
19401950
1 references in production order. Overlapping bars show overlapping recorded dates.
19401943194519481950
Dates are those recorded in the catalog. Faint bars mark approximate dates; a dashed point marks a single known endpoint. Undated references remain visible. Chronological order does not establish a predecessor or successor relationship.