L3.788.4.06.6Ref

The Longines HydroConquest L3.788.4.06.6, introduced in 2026, is part of the HydroConquest collection and follows the dial design direction established by the 2024 HydroConquest GMT. It has a 42mm round stainless steel case, screw-in crown, unidirectional rotating bezel with ceramic insert, and water resistance to 30 bar, paired with a sapphire crystal coated with anti-reflective layers on both sides. The green lacquered dial features applied indexes, silvered polished hands, and a date, powered by the self-winding L888 calibre with a silicon balance spring and 72-hour power reserve, fitted on a stainless steel bracelet with a double security folding clasp and micro-adjustment.