Current Production
HydroConquest 39 mm
LONGINES L3.779.4.70.6
MSRP
$2,400 USD
Verified Aug 18, 2026
Case diameter39 mm
Case size39 mm
Lug-to-lug48.1 mm
Thickness11.7 mm
Lug width20 mm
Case materialStainless steel and ceramic bezel
CrystalScratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides
Water resistance300 m
MovementAutomatic
CalibreL888.5
Power reserve72 hours
DialBlack lacquered polished
Bracelet or strapStainless steel bracelet
Specifications as published by Longines →
Last verified Aug 18, 2026