Longines

Hydroconquest

Name: Longines Hydroconquest
Brand: Longines
Availability: InStock

41.0mm Popular Model Surging Volume

Low $789

Median $950

High $1,097

Search Hydroconquest Listings

The Longines Hydroconquest has carved out a loyal following as the brand’s modern answer to the Swiss dive watch, balancing heritage cues with contemporary performance. Introduced as part of Longines’ Sport collection, it’s a go-to for buyers seeking a Swiss-made diver with real-world specs and a design that’s both refined and versatile—equally at home on the wrist at the office or underwater.

Within the Hydroconquest lineup, the 41mm models are especially popular, offering a sweet spot in size for most wrists. Recent references like the L3.742.4.56.6 (black dial, steel bracelet) and its blue and green dial siblings feature a ceramic bezel insert—a notable upgrade over earlier aluminum versions. Most current models house the automatic Caliber L888, prized for its 72-hour power reserve and reliability. Water resistance is rated to 300 meters, making it a serious tool for aquatic use.

Pricing varies based on dial color, bezel material, and bracelet versus rubber strap configurations. Earlier Hydroconquest references, especially those with aluminum bezels or the smaller 39mm case, tend to trade at lower prices but lack some of the refinements found in the latest generation. Collectors often seek out full kit examples (box, papers, spare links), and the ceramic bezel models generally command a premium on the secondary market due to their durability and updated movement.

What owners love

The ceramic bezel insert stands out in this price range and gives a premium, modern look compared to aluminum bezels on many competitors.
The bracelet features a well-executed diver extension and solid end links, making it feel robust and comfortable for daily wear or over a wetsuit.
Water resistance is a true 300m with a screw-down crown, allowing for real-world diving use and peace of mind for swimming or showering.

Common Criticisms

The bracelet's polished center links are prone to scratches and attract fingerprints, making them hard to keep looking clean.
The case thickness makes it feel top-heavy and less comfortable under cuffs compared to slimmer dive watches.
The oversized crown guards can dig into the wrist and are seen as unnecessarily bulky by many owners.

Hydroconquest

What owners love

Common Criticisms

Reviews & Videos

Right Now on eBay

Recent Listings

Explore More Longines Watches