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Home/Browse/Longines/HydroConquest 43mm
Longines HydroConquest 43mm — Matt black ceramic
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Longines HydroConquest 43mm

Ref. L3.784.4.56.9
Diver

Owners widely praise the Longines HydroConquest 43mm for its flashy design, refined case proportions, and tactile bezel clicks, with many finding it a beautiful watch that offers great value. Accuracy is noted as near chronometer specifications, with one owner reporting it losing only 2 seconds per day. However, some find the bezel scratchy, strap changes difficult, and the crown guard uncomfortable. The standard bracelet is criticized for its lack of taper and tool-less micro-adjustment, with some owners preferring aftermarket options for improved wearability. On balance, owners rate the Longines HydroConquest 43mm highly for its striking aesthetics and strong value proposition at the price point.

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HydroConquest
HYDROCONQUEST
HYDROCONQUEST
HydroConquest 41mm
HydroConquest 41mm
HydroConquest 41mm
HydroConquest 41mm PVD
HydroConquest 43mm
HydroConquest 43mm
HydroConquest 44mm
HYDROCONQUEST MESH
HydroConquest PVD
1 Variant
Matt black ceramic
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Retail MSRP
$4,700
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Alternatives
Case
43mm
Power Reserve
—
Movement
Automatic
Water Resistance
—
Crystal
Sapphire
01

Case Dimensions

Diameter43mm
Thickness—
Lug-to-Lug—
Lug Width—
02

Case Build

MaterialStainless Steel
CasebackSolid
03

Crystal & Dial

CrystalSapphire
Dial ColorMatt black ceramic
IndicesApplied
04

Movement

TypeAutomatic
Beat Rate—
Power Reserve—
Jewels—
HackingNo
Hand-WindingNo
ComplicationsDate
05

Design Language

Dial styleMatte
BezelRotating (dive)
Bracelet / strapRubber strap
HandsMercedes
AI-detected from product image · 7/3/2026

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