Longines HydroConquest 41 mm Automatic Blue Dial Stainless Steel [L3.779.4.96.6]

The Longines HydroConquest 41 mm Automatic Blue Dial Stainless Steel [L3.779.4.96.6] is a modern Swiss dive watch engineered for performance, durability, and refined everyday wear. As part of Longines’ celebrated sport collection, this model delivers professional-grade specifications while maintaining the brand’s signature elegance.

Designed with a robust 41 mm stainless steel case and fitted with a blue sunray dial, this timepiece offers exceptional clarity and visual depth. The dial is equipped with applied hour markers and hands coated in Swiss Super-LumiNova®, ensuring optimal legibility in low-light and underwater conditions. 

A defining feature of the HydroConquest is its unidirectional rotating ceramic bezel, providing both enhanced scratch resistance and precise dive timing functionality. Combined with a screw-in crown and screw-down case back, the watch achieves an impressive 300 m (30 bar) water resistance, making it a true tool watch for aquatic environments. 

At its core, the watch is powered by the Longines Calibre L888 automatic movement, beating at 25,200 vibrations per hour and offering an extended power reserve of approximately 72 hours — delivering reliability and precision for extended wear. 

A scratch-resistant sapphire crystal with anti-reflective coating on both sides ensures clarity under all lighting conditions, while the stainless steel bracelet with double safety folding clasp provides secure, comfortable wear whether in motion or at rest. 

Balancing rugged dive-watch capability with a refined aesthetic, this HydroConquest model transitions effortlessly from sport to everyday luxury — a cornerstone piece for any serious watch collection.

Technical Specifications

Model: L3.779.4.96.6
Case Size: 41 mm
Case Material: Stainless steel
Bezel: Unidirectional rotating ceramic bezel
Dial: Blue sunray dial
Crystal: Scratch-resistant sapphire crystal with anti-reflective coating on both sides
Movement: Automatic (Longines Calibre L888)
Power Reserve: Approximately 72 hours
Frequency: 25,200 vibrations per hour
Functions: Hours, minutes, seconds, date
Water Resistance: 30 bar (300 m)
Crown: Screw-in crown
Case Back: Screw-down
Bracelet: Stainless steel bracelet
Clasp: Double safety folding clasp with push-piece opening mechanism
Lug Width: 21 mm
Thickness: ~11.9 mm
Weight: ~185 g 

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