Watch

A Hands-On Introduction to the Third-Generation Longines Hydroconquest

By Mar 26, 2026
Read time3 min

Longines introduces the latest evolution of its highly popular Hydroconquest dive watch series, building upon a legacy of accessible yet robust timepieces that began in 2007. Following significant updates in 2018 and 2023, the brand now presents the third generation of its time-and-date diver, available in versatile 39mm and 42mm sizes. This release expands the standard collection with six new color combinations, alongside exclusive boutique and e-commerce variants. The revamped models boast enhanced specifications and a refined aesthetic, aiming to solidify the Hydroconquest's position in the competitive dive watch market by blending traditional diving characteristics with modern design sensibilities.

Details of the Latest Longines Hydroconquest Timepieces

The new Longines Hydroconquest collection features a stainless steel case, secured with a screw-in case back and screw-down crown, ensuring a robust and water-resistant construction. Both the 39mm and 42mm models are equipped with a scratch-resistant sapphire crystal and a polished ceramic bezel insert. The larger 42mm variant measures 51.2mm lug-to-lug and 11.7mm thick, with a 21mm lug spacing, while its 39mm counterpart has a 48.1mm lug-to-lug distance and identical thickness, accommodating a 20mm bracelet. Impressively, both sizes maintain a substantial 300-meter water resistance, affirming their credentials as serious dive watches.

At the heart of these timepieces is the exclusive Longines L888.5 automatic caliber, renowned for its 72-hour power reserve and a frequency of 25,200 vibrations per hour. This movement incorporates a silicon hairspring, providing enhanced resistance to magnetic fields in compliance with the ISO 764 standard. A practical date indicator is seamlessly integrated at the 3 o'clock position on the dial. The new Hydroconquest offers diverse aesthetic choices, available with either a classic stainless steel H-link bracelet in blue, black, or green, or a stylish Milanese bracelet for the black-and-blue, frosted blue sunray, or slate-gray versions. Both bracelet types feature a micro-adjustment system, allowing for precise fitting and comfort. While the 39mm model generally offers a more condensed and refined appearance, the 42mm version makes a bold statement, reflecting the modern trend for assertive sports watches. The overall build quality and finishing, including the precise bezel action and smooth crown operation, align well with the price point of €2,200 for the H-link and €2,300 for the Milanese bracelet versions.

The updated dial design signifies a shift towards greater simplicity, replacing the previous 6, 9, and 12 numerals with a dive-watch-typical triangle at 12 o'clock and dot markers elsewhere. Despite some debate over the balance of the new dot markers, the design successfully integrates contemporary elements while retaining the Hydroconquest's sporty character. These models are poised to attract both long-time fans and new enthusiasts seeking a high-quality, modern dive watch from a brand celebrated for its heritage and craftsmanship.

The newest Longines Hydroconquest represents a thoughtful evolution of a well-loved dive watch. By refining its design and maintaining its impressive technical specifications, Longines continues to offer a compelling option for those seeking a robust and stylish timepiece without venturing into ultra-luxury price segments. This collection strikes a fine balance between tradition and modernity, making it a strong contender in today's watch market.

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