The Longines HydroConquest GMT takes the rugged capability of the iconic HydroConquest collection and adds practical multi-time-zone functionality, creating a luxury sports watch equally suited for diving, traveling, and everyday wear. Its striking sunray black dial, matching black ceramic bezel, and stainless steel construction give the watch a sophisticated yet purposeful appearance.
The 41mm stainless steel case offers substantial wrist presence while maintaining excellent proportions and versatility. A scratch-resistant sapphire crystal with multiple layers of anti-reflective coating on both sides provides exceptional clarity, while the screw-down crown, unidirectional rotating ceramic bezel, and impressive 300 meters of water resistance preserve the professional dive-watch credentials of the HydroConquest collection.
At the heart of the watch is the exclusive Longines Calibre L844 automatic GMT movement. Equipped with a silicon balance spring and enhanced resistance to magnetic fields, the movement operates at 25,200 vibrations per hour and provides an impressive 72-hour power reserve. Its GMT functionality allows an additional time zone to be tracked, making the HydroConquest GMT an excellent companion for frequent travelers.
Specifications
Case
- Stainless Steel Case
- 41mm Case Diameter
- Approximately 12.9mm Thickness
- Approximately 49.4mm Lug-to-Lug
- Scratch-Resistant Sapphire Crystal
- Multiple Layers of Anti-Reflective Coating on Both Sides
- Screw-Down Crown
- Screw-Down Case Back
- Water Resistance: 300 Meters / 30 Bar
Dial
- Sunray Black Dial
- Applied Hour Markers
- Silver-Tone Hands and Indices
- Swiss Super-LumiNova
- Dedicated GMT Hand
- Date Display
Bezel
- Black Ceramic Bezel Insert
- Unidirectional Rotating Bezel
- 60-Minute Diving Scale
- Scratch-Resistant Ceramic Construction
Movement
- Longines Calibre L844
- Swiss Automatic Mechanical Movement
- GMT Function
- Silicon Balance Spring
- 25,200 Vibrations per Hour
- Approximately 72-Hour Power Reserve
- Enhanced Magnetic Resistance
- Hours, Minutes, Central Seconds, Date and Additional Time Zone
Bracelet
- Stainless Steel Bracelet
- Double-Security Folding Clasp
- Push-Button Release
- Integrated Micro-Adjustment System
Features
- Swiss Made
- Automatic GMT Movement
- Multiple Time-Zone Display
- Silicon Balance Spring
- 72-Hour Power Reserve
- Ceramic Dive Bezel
- Sapphire Crystal
- Swiss Super-LumiNova
- Screw-Down Crown
- 300M Water Resistance
- Micro-Adjustable Bracelet Clasp
Additional Information
- Brand: Longines
- Collection: HydroConquest GMT
- Reference: L3.790.4.56.6
- Dial: Sunray Black
- Case Size: 41mm
- Movement: Longines Calibre L844
- Movement Type: Automatic GMT
- Bracelet: Stainless Steel
- Display: Analog
- Country of Origin: Switzerland














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