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Longines HydroConquest watches

The Longines HydroConquest family covers 8 models and 9 references, with case sizes from 39 mm to 43 mm.

8 models · 9 references

HydroConquestConquestMaster CollectionSpirit
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  • HydroConquest8
  • Conquest3
  • Master Collection15
  • Spirit8
  • Legend Diver2
  • DolceVita7
  • Heritage4
Size
Case material
Water resistance

8 models

  • Longines Hydroconquest Quartz 42 Stainless, reference L3.769.3.56.7
    LonginesHydroconquest Quartz 42 Stainless2 references42 mm
  • Longines HydroConquest 39 Automatic, reference L3.780.4.96.6, ceramic and stainless steel case
    LonginesHydroConquest 39 Automatic1 reference39 mm
  • Longines HydroConquest 41 Automatic L3.742.4, reference L3.742.4.96.6, stainless steel case
    LonginesHydroConquest 41 Automatic L3.742.4L3.742.4.96.61 reference41 mm
  • Longines HydroConquest 41 Automatic L3.781.4, reference L3.781.4.06.6, stainless steel case
    LonginesHydroConquest 41 Automatic L3.781.4L3.781.4.06.61 reference41 mm
  • Longines HydroConquest 43 Automatic L3.782.4, reference L3.782.4.96.6, stainless steel case
    LonginesHydroConquest 43 Automatic L3.782.4stainless steel case1 reference43 mm
  • Longines Hydroconquest 43 Automatic L3.784.4, reference L3.784.4.56.9, ceramic case
    LonginesHydroconquest 43 Automatic L3.784.4ceramic case1 reference43 mm
  • Longines Hydroconquest GMT 41, reference L3.790.4.56.6, ceramic and stainless steel case
    LonginesHydroconquest GMT 411 reference41 mm
  • Longines Hydroconquest Quartz 42, reference L3.769.4.06.6, stainless steel case
    LonginesHydroconquest Quartz 421 reference42 mm

Popular comparisons

  • Longines HydroConquest 41 vs Omega Seamaster Diver 300M 41

Longines HydroConquest questions

How many Longines HydroConquest watches are on Watchnik?

Watchnik lists 8 Longines HydroConquest models and 9 references.

What case sizes do Longines HydroConquest watches come in?

Recorded case diameters run from 39 mm to 43 mm across the 9 references.

Sources and last updated

Specifications are compiled from watch database records and manufacturer information; missing values are shown as not yet recorded, never estimated. Data last updated 27 September 2026. How we source our data

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Watchnik is independent and not affiliated with any watch brand. Brand names are trademarks of their owners.Specifications compiled from WatchBase and manufacturer information.