Faded ends mark approximate or unknown dates. Years are as stated by the cited sources.
Black dial with white recorders, brushed hands with red tips and tachymeter bezel; also part of the Viceroy promotion.
Brushed silver dial with black recorders, orange accents and hands, minutes/hours bezel.
Black dial with black recorders, orange accents and orange hands (shown with tachymeter bezel).
Black dial with white recorders, painted lume markers, orange accents and hands, decompression bezel.
White registers with red stripes on the minute recorder; red-edged full-lume hands.
Charcoal registers with orange minute-recorder stripes; white-edged full-lume hands.
Specs shared by all variants. Variant pages show where a variant differs.