Acier inoxydable, heures or, couronne or -> stainless steel (link), hour indices (hour markers) gold, crown gold (for 4241 and 4240)
Acier inoxydable, anses or -> stainless steel, lugs gold (for 4240 only)
Or 18 ct jaune ou rouge -> yellow gold 18K or red (pink) gold 18K (for 4241 and 4240)
The V&C ref 4178 was a Chronograph (the production figures sample above).