Longines Hydroconquest GMT diving watch
Starting from 3.050 €A true benchmark in the world of sports watches, the HydroConquest collection now includes models with a GMT function. The HydroConquest GMT combines technical performance with contemporary elegance, drawing inspiration from the world of water sports while leveraging Longines' long-standing expertise in multi-time zone watches. Water-resistant to 30 bar (300 meters), it is powered by an exclusive Longines caliber, featuring a silicon balance spring offering excellent resistance to magnetic fields.
Longines HydroConquest GMT Dive Watch
Longines is one of the oldest Swiss watch manufacturers still in operation, renowned since 1832 for its elegance, precision, and sporting heritage. With a long history of expertise in aviation, navigation, and timekeeping, the brand has successfully navigated the changing times without compromising its core identity. The Longines HydroConquest GMT embodies this tradition, offering a modern dive watch designed for travelers. It combines a distinctly sporty aesthetic with a GMT function that displays a second time zone. Robust, legible, and versatile, it meets the demands of both everyday life and nautical activities. Its contemporary design remains true to the understated elegance characteristic of Longines. The bezel, contrasting dial, and meticulous finishing enhance its technical character. The GMT function makes it an ideal companion for international travel. The HydroConquest GMT thus embodies the perfect balance between performance, tradition, and modernity. It is aimed at lovers of sporty watches with controlled elegance.
Technical Specifications – Longines HydroConquest GMT
- Brand: Longines
- Model: HydroConquest GMT
- Suggested Retail Price: ~€3,000 – €3,300
- Movement: Swiss automatic mechanical movement by Longines
- Caliber: L844.5 (ETA base, GMT function)
- Diameter: 41 mm
- Thickness: ~12.9 mm
- Water Resistance: 300 m / 30 ATM
- Materials: Stainless steel case
- Crystal: Scratch-resistant sapphire crystal with anti-reflective coating
- Dial: Black, blue, or green with hour markers and hands
- Straps: Steel or rubber (depending on version)
- Warranty: 5 years (Longines warranty)
The Longines HydroConquest GMT Diver's Watch
The Longines HydroConquest GMT is a modern dive watch that expands the renowned HydroConquest collection with a GMT complication, allowing the simultaneous display of two time zones—ideal for the contemporary explorer. This model features an exclusive Longines L844.5 automatic caliber, equipped with a silicon balance spring and non-magnetic components, offering a power reserve of approximately 72 hours and excellent resistance to magnetic fields. The movement's frequency is approximately 25,200 vibrations per hour, ensuring stable and accurate timekeeping.
The stainless steel case has a classic 41 mm diameter and a thickness of approximately 12.9 mm, with a screw-down case back and crown that contribute to its excellent robustness. The watch is water-resistant to 300 m (30 bar), meeting the standards expected of a true dive watch, making it perfectly suited for demanding aquatic activities. The unidirectional, knurled bezel features a ceramic insert that matches the dial color for secure handling and optimal dive time tracking. The scratch-resistant sapphire crystal with anti-reflective coating on both sides ensures excellent legibility even at challenging angles or in bright light.
Colors and Longines HydroConquest GMT Dive Watch
The dials offered feature sunburst finishes in various colors—blue, black, green, or brown—each complemented by applied hour markers and hands coated with Super-LumiNova for maximum legibility in low-light conditions. The 24-hour GMT scale is integrated around the edge of the dial, making it easy to read the second time zone. The HydroConquest GMT collection is available with a variety of straps: a stainless steel H-link bracelet with a micro-adjustable folding clasp, blue or black rubber straps, and NATO options in khaki or beige for a more adventurous look. This diverse range of finishes allows the watch to be adapted for both sporty and dressier occasions without compromising its technical capabilities.
The two main hands indicate the hours and minutes, while a fourth hand dedicated to GMT allows you to track the time in a second time zone, complemented by a date window at 3 o'clock. This combination of functions makes it both a high-performance diving tool and a practical companion for frequent travelers. Each version benefits from Longines' watchmaking expertise, with a robust construction inspired by the world of water sports, while maintaining a technical elegance that makes it attractive even for everyday or urban wear. The HydroConquest GMT perfectly illustrates Longines' ability to combine functionality, precision, and style, making this model an iconic piece in the modern "dive-GMT" segment.
Technical excellence and elegance: Longines Hydroconquest GMT
The Longines HydroConquest GMT is a contemporary dive watch designed for those who spend their time at sea and on international travels. It combines the robustness of a true diver's watch with the practicality of a GMT function, allowing you to track a second time zone at a glance. Its sporty and modern design is part of the HydroConquest collection's DNA. Designed for intensive use, it emphasizes mechanical reliability and legibility. This model exemplifies the balance Longines strives for between technical performance and functional elegance.
Movement
The Longines HydroConquest GMT features a Swiss-made Longines L844.5 automatic caliber, based on a highly reliable ETA movement. It incorporates a silicon balance spring, ensuring greater resistance to magnetic fields and increased timekeeping stability. Its power reserve of approximately 72 hours exceeds conventional standards, offering ample autonomy. The addition of the GMT complication allows for tracking a second time zone with ease. Finally, this movement combines precision, robustness, and simplified maintenance through a well-established network of watchmakers.
Diameter and materials
The Longines HydroConquest GMT features a 41mm diameter, a versatile size that combines technical presence with comfortable wear. Its case is crafted from stainless steel, a durable, robust, and corrosion-resistant material, ideal for a sporty dive watch. The polished and brushed steel also provides an elegant finish while reinforcing structural strength. The bezel incorporates a ceramic insert that offers excellent scratch resistance and a contemporary touch. All the materials selected reflect the balance between performance, durability, and functional aesthetics characteristic of Longines watches.
Waterproofing
The Longines HydroConquest GMT boasts a water resistance of 300 meters (30 ATM), clearly placing it in the category of high-performance dive watches. This capability allows it to be used for recreational diving, swimming, or water sports without worry. The case features a screw-down case back and crown, essential elements for ensuring this pressure resistance. The unidirectional bezel also contributes to safety when measuring time underwater. This robust water resistance enhances the watch's versatility, making it suitable for sea, travel, and everyday wear.
Accessories
The Longines HydroConquest GMT comes in an official Longines presentation box, along with an international warranty card and instruction manual. Depending on the version and retailer, it may include different straps (steel or rubber) for greater versatility and comfort. Micro-adjustment tools are sometimes provided for easily adjusting the length of the metal bracelet. Longines also offers a range of optional accessories (additional straps, clasps, care kits) to personalize the watch.
Guarantee
The Longines HydroConquest GMT is covered by a 5-year international Longines warranty, standard for new watches from the brand. This warranty protects the watch against manufacturing defects in the movement and original components. It is activated from the official purchase date and requires the warranty card stamped by the retailer. The warranty does not cover normal wear and tear, accidental impacts, or damage resulting from improper use. Finally, it provides access to the Longines after-sales service network, present in numerous countries, for maintenance and repairs.
Longines Hydroconquest GMT The pros
and cons
- Convenient GMT function for travelers
- Water resistant to 300 m, a true diver's watch
- Longines L844.5 movement with a 72-hour power reserve
- Durable ceramic bezel
- 5-year Longines warranty
- Case quite noticeable on the wrist
- Noticeable weight in the steel version
- Distinctly sporty design
- Price higher than classic dive watches
Prices and technical specifications are subject to change. Content and photos are not contractual.
