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Longines Conquest HydroConquest 39mm L3.780.4.56.6

Photography: Exquisite Timepieces – © brand or retailer – shown for identification, see source

Longines watches

LonginesConquest HydroConquest 39mm

Reference L3.780.4.56.6

Lowest

€1,361

Median

€1,685

Highest

€1,754

Prices are indicative, taken from public retailer listings. Always confirm with the seller.

Specifications

BrandLongines
CollectionHydroConquest
ReferenceL3.780.4.56.6
Case materialSteel
Diameter39 mm
MovementAutomatic
Power reserve72 h
Water resistance300 m
DialBlack
TypeDiver
ComplicationsDate
For whomMen
Add to comparisonLongines encyclopedia

Market offers

3 sellers · updated 28/09/2026

SellerCountryRegionSeller typeStockLocal priceEUR
MontredoGermanyEuropeGrey marketIn stock€1,361€1,361View offer
Swiss Watches DirectUnited KingdomEuropeGrey marketIn stock£1,450€1,685View offer
Exquisite TimepiecesUnited StatesNorth AmericaAuthorized dealerIn stockUS$2,000€1,754View offer

Price history

Daily lowest and median price across active offers

From the retailer listing

HYDROCONQUEST, L3.780.4.56.6, automatic watch, Ø 39.00 mm, stainless steel and ceramic bezel. Inspired by the world of water sports, the HydroConquest collection stands out with its daring design. Water-resistant up to 30 bar (300 m) with a unidirectional rotating bezel and screw-down crown and case back, it guarantees exceptional reliability at all times.

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All references