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HydroConquest 39

Ref. L3.779.4.56.6

39mm
Diameter
72h
Power reserve
300m
Water resistance

A version of the HydroConquest reduced to 39 mm, with the same water resistance.

US$2,200

Official list price

Nov 2026. Source: longines.com

Diameter
39 mm
Power reserve
72 h
Water resistance
300 m
Movement
Automatic
Material
stainless steel

Specifications

Case

Diameter
39 mm
Thickness
Not confirmed
Material
stainless steel
Shape
round
Water resistance
300 m

Movement

Movement
Automatic
Calibre
Not confirmed
Power reserve
72 h
Frequency
25,200 vph
Jewels
Not confirmed
Complications
hours, minutes, seconds, date

Dial and strap

Dial
black lacquer
Markers
batons
Date
Yes
Bezel
rotating dive, black ceramic
Strap
bracelet, steel

Record

Line
HydroConquest
Year
Not confirmed
Status
In production
Range
Mid-range

Alternatives

Why it matters

Sources

  1. longines.com

Record confidence: high. Anything unverified stays marked, never estimated.