Longines HydroConquest Automatic 41mm vs Longines HydroConquest 41mm

Side-by-side at a glance. Click a watch above to open the full reference page.

	Longines L3.782.4.56.6	Longines L3.781.4.96.6
Model	HydroConquest Automatic 41mm	HydroConquest 41mm
Caliber	Longines Cal. L888.2 -- ETA A31 automatic, 25,200bph, 64h PR; used in Hydroconquest 41; standard Longines automatic for sport and tool watches	Longines Cal. L888.4 -- ETA A31.L01 base with silicon hairspring, 25,200bph, 64h PR, 21j; used in Conquest Classic and Flagship Dress; silicon anti-shock and anti-magnetic
Case size	41mm	41mm
Lug-to-lug	47mm	47mm
Years produced	2017–present	2020–present
Brand tier	luxury	luxury
Era	modern	modern
Movement tier	Top-supplier movement	Top-supplier movement
Market median (excellent / full-set)	n/a	n/a
Typical range	n/a	n/a
Confidence	low	low
Categories	dive	dive, sport
Editorial	yes	yes
Typical price (2026)	$900 – $1,200	n/a