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Longines gives the HydroConquest a thoughtful refresh for 2026, refining the collection in all the right areas. With cleaner proportions, fresh dial options, and elevated bracelet choices, this new generation feels more polished and versatile than ever!

With almost two centuries of Swiss watchmaking excellence under its belt, Longines introduces the next generation HydroConquest collection, one that has been extensively redesigned with contemporary aesthetics and proven performance.

Since the HydroConquest’s first introduction in 2007. It has been a collection that has showcased Longines’ approach to watchmaking, combining robust functionality with an understated, elegant design. As the name suggests, the collection draws inspiration from maritime adventure, while the timeless design of the watches allow the to transition from sporty to elegant.

While the HydroConquest line may have its design inspired by maritime, its broader roots extend all the way back to the Conquest line, which was actually Longines’ first collection to receive trademark protection in Switzerland in 1954. While this modern iteration of the HydroConquest leans into the sport and elegance combination, this is not something that is new for the collection. The collection has always been about combining robust sporty functionality with the understated elegance Longines is known for.

The HydroConquest collection has seen a few updates since its creation almost two decades ago. One of the more recent “major” updates came in 2018, when the collection went through refinement with new 41mm and 43mm case sizes, with the introduction of ceramic bezels. Then, more recently, the 2023 generation bought another major redesign, introducing a fresh new identity into the collection. The 2023 edition featured new dials and new colours, with the addition of the first GMT complication for the line.

The 2023 collection was arguably the most refined version, up until now. The collection then featured a more slimmer design, with everything from the case, dial, and bracelet getting a refined and ‘toned’ aesthetic. As Longines put it “This measured evolution reflects Longines’ broader philosophy that genuine innovation emerges from respecting heritage while embracing contemporary needs.” This is certainly the case, I feel, as the 2023 update took the collection to a new level of maturity, giving the HydroConquest a more balanced and contemporary identity.

A New Chapter In The HydroConquest Evolution

For 2026, the HydroConquest collection opens a new chapter, with the timepieces having another complete refinement, while also introducing new design elements! Continuing on from the collections 2023 update, Longines has re-imagined the HydroConquest with the automatic models now being offered in two different sizes: 39mm and 42mm. These stainless steel cases bring versatility to the collection and balance wrist presence with wearability.

This new collection follows on from the refined silhouette of the 2023 models, with the slimmer proportions meaning that the timepieces look more aesthetically balanced, while also perfectly fitting a wide range of wrist sizes. With the introduction of the 39mm model, it certainly feeds into the needs of the modern wearer, offering a more versatile and accessible size without compromising the HydroConquest’s sporty character.

The unidirectional bezels have been reworked in this latest update as well. Longines states, “borrowed from the UltraChron Diver model, delivers enhanced tactile feeling. A new Super-LumiNova® capsule at the time “0” position on the bezel brings optimal visibility in all lighting conditions. With a screw-in crown and robust overall case construction, the HydroConquest retains its 300-metre water resistance, ensuring these models are just as capable beneath the surface as they are refined on land.

Another update to the collection is the redesigned dials. While the concept behind the timepieces may be sporty, and that is certainly the case with the specifications, the dial was created to show an elegant aesthetic, with new applied indices treated with Super-LumiNova®. There are a total of four dial colour options available, with one of them being a beautiful “Corporate boutique and e-commerce exclusive” edition.

The first three dial colours in this new collection are blue, black, and green. Each of these dial variants features a polished lacquer finish, which adds a sense of depth and gives the watches a more refined, visually striking appearance. The dial finish allows them to interact with light beautifully, further emphasising the HydroConquest collection’s sporty-elegant aesthetic. For each of the models, there is also a colour ceramic bezel, which Longines states is now five colours that range from “classic black, blue, and slate grey, which are now joined by two vibrant new shades – verdant green and luminous blue.“

The Corporate Boutique and E-Commerce Exclusive editions, which are presented in both the 39mm and 42mm case sizes, feature a stunning frosted-blue dial, which, as the name suggests, is exclusively available through Longines Corporate Boutiques, Shop in Shops, and the brand’s e-commerce platform. Unlike the lacquered polished dials of the other three variants, these models feature a sunray textured finish, which looks beautiful when rotated under light, or better yet, in the sunlight while soaking in the waves!

“This watch brings with it a sense of lightness and dignity. It evokes thoughts of spring and summer shores, docksides and with them the promise of discovery; evocative of the classic elegance from Longines.”
Henry Cavill on the new Longines HydroConquest collection.

A Milanese Bracelet For Exceptional Comfortability

While there are refined tweaks all around the design of this new HydroConquest collection, the most significant upgrade comes in the form of the Milanese bracelet. Three models in the collection will get the Milanese bracelet, which are the black lacquer polished dials in the slate grey and vibrant blue bezels, and the Corporate frosted-blue dial timepiece.

The Milanese bracelets are crafted from high-quality stainless steel, featuring a full-brushed finish with polished
sides. The addition of these bracelets to the collection completes the sophisticated explorer aesthetic, which seamlessly bridges the heritage of the collection with forward, innovative design. And if you have worn a Milanese bracelet before, the comfort will already be familiar, while its addition here also elevates the overall look and feel of the watch.

It’s not just the addition of a Milanese bracelet design either. Longines has refined the signature design in watchmaking to now feature a tapered mesh construction, which offers exceptional comfort and breathability, and the micro-adjustment clasp ensures an impeccable fit. The bracelet features shortening links, which allow for a perfect fit on the wrist every time.

Power Beneath The Surface

At the heart of this new HydroConquest collection is the Longines-exclusive Calibre L888.5, a self-winding mechanical movement that showcases the brand’s focus on precision. The Calibre L888.5 is equipped with a silicon balance hairspring and other innovative components, and the movement is designed with an emphasis on reliability for everyday wear. The movement can withstand up to ten times more magnetic fields than what’s required by the ISO 764 standard, which means it goes above and beyond for the wearer.

Paired with a power reserve of up to 3 days (72 hours), the timepiece is perfect for daily wear capabilities, which reflects Longines’ dedication to creating timepieces that balance performance with practicality. With the newly designed aesthetic design of the collection, it is even more wearable and versatile than ever before.

Initial Thoughts

I personally loved how Longines updated the HydroConquest collection in 2023, with the changes to the overall design presenting a more slimmed-down profile that still beautifully retains the core essence of what the collection is about. Looking at the 2026 update, the case design remains visually similar, and with it now presented in two different case sizes, it makes the collection a lot more versatile and accommodating for people with smaller wrist sizes.

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The brand really did focus on the areas that matter most, with new case sizes, cleaner dial executions, fresh colour options, and the addition of the new Milanese bracelet, all helping the new HydroConquest timepieces feel more refined and better suited to the modern wearer. And it’s not just aesthetic and design changes either. Longines has managed to bridge performance with elegance. The new models still offer all the capabilities expected of a serious dive watch, including 300 metres of water resistance and a solid automatic movement in the calibre L888.5.

Whether it is the frosted-blue exclusive variants, the new Milanese mesh bracelet, or simply the cleaner proportions across this core collection, this latest evolution of the HydroConquest line feels like it has matured in all the right ways!

Reference: Longines HydroConquest 42mm Editions

Specifications:

Australian Retail Price: Stainless steel bracelet (AU $3,375), Milanese Bracelet (AU $3,550)

Availability: Available through Longines boutiques and authorised retailers, or head on over to Longines.com.au

Reference: Longines HydroConquest 39mm Editions

Specifications:

Australian Retail Price: Stainless steel bracelet (AU $3,375), Milanese Bracelet (AU $3,550)

Availability: Available through Longines boutiques and authorised retailers, or head on over to Longines.com.au

Reference: Longines HydroConquest Exclusive Editions

Specifications:

Australian Retail Price: Stainless steel bracelet (AU $3,375)

Availability: Available exclusively at Corporate Boutiques, or head on over to Longines.com.au