Model family · IWC
Portofino Hand-Wound
2 references2 variants1985–1989
Family timeline
All recorded years
19801990
2 references in production order. Overlapping bars show overlapping recorded dates.
19801983198519881990
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.