Longines L3.780.4.56.6
HydroConquest 39mm Automatic
What Should You Pay?
Estimated fair market values. Actual prices vary by condition, completeness, and seller.
New / Like New / Full Kit
$1,900 – $2,370
low confidence
Excellent / Pre-Owned
$1,597 – $1,991
low confidence
Used / Watch Only
$1,293 – $1,613
low confidence
Fair Market Value
$1,794
Blended estimate for excellent condition
Recent Comparable Listings
Community Marketplace
| Date | Condition | Asking Price | Deal |
|---|---|---|---|
| Mar 7 | Good | $950 | great |
A modern dive watch from Longines' HydroConquest collection featuring a 39mm case size that offers excellent wearability. The black ceramic bezel and sunburst black dial provide a versatile sporty aesthetic, while maintaining professional diving capabilities with 300m water resistance.
Specifications
Case Diameter 39 mm
Case Material stainless steel
Case Shape round
Case Back screw_down
Water Resistance 300m
Crystal sapphire
Bezel Type rotating_unidirectional
Bezel Material ceramic
Dial Color black
Dial Indexes applied
Dial Hands sword
Bracelet/Strap metal
Bracelet Material stainless steel
Clasp fold_over
Complications date
Movement
Movement Calibre L888
Type automatic
Power Reserve 72 hours
Frequency 25,200 vph
Jewels 21
Functions hours, minutes, seconds, date
More from HydroConquest
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