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Longines HydroConquest L3.784.4.56.9

43 mm, Automatic, Ceramic

The Longines HydroConquest L3.784.4.56.9 is an exceptional diver’s watch that combines modern sporty aesthetics with Swiss precision. Its 43 mm black ceramic case is fitted with a sapphire crystal with anti-reflective coating and offers remarkable water resistance up to 30 bar (300 m). The ceramic material ensures both durability and a refined matte look. Detailed product description

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Product description

The Longines HydroConquest L3.784.4.56.9 is an exceptional diver’s watch that combines modern sporty aesthetics with Swiss precision. Its 43 mm black ceramic case is fitted with a sapphire crystal with anti-reflective coating and offers remarkable water resistance up to 30 bar (300 m). The ceramic material ensures both durability and a refined matte look.

The black sunray dial features applied indexes and Arabic numerals at 6, 9, and 12 o’clock, complemented by luminous hands that guarantee excellent legibility even in extreme conditions. A date window at 3 o’clock adds practicality without disrupting the balanced design.

Inside ticks the automatic calibre L888, beating at 25,200 vibrations per hour with a 72-hour power reserve, ensuring accuracy and reliability. The watch is fitted with a black rubber strap with a double safety folding clasp, delivering comfort in both everyday wear and professional diving. The HydroConquest L3.784.4.56.9 is a symbol of performance, resilience, and Swiss watchmaking mastery.

Files for download

Instruction_manual_Longines_L888_en.pdf

Product specifications

Producer: Longines
Supplier code: L3.784.4.56.9
Intended for Men’s
Collection HydroConquest
Watch style Luxury, Sports, Diving
Warranty 5 years
Water resistance i 300 m
Case shape Round
Case size 43 mm
Case material High-tech ceramic i
Crystal Sapphire with anti-reflective treatment i
Bezel High-tech ceramic
Dial Analog
Dial color Black
Movement Self-Winding i
Functions Date
Strap color Black
Strap material Soft-touch silicone or high-grade rubber strap
Clasp type Folding clasp i
Quick-release system No i
Longines HydroConquest L3.784.4.56.9

Elegance underwater

Longines HydroConquest

The Longines HydroConquest collection represents the pinnacle of sporty elegance and is designed for those who seek performance, reliability and durability combined with the unmistakable Longines design. This watch pays homage to the world of diving and adventure, while maintaining the typical aesthetics of Swiss tradition.

The HydroConquest models feature a robust stainless steel, ceramic or titanium case, water resistance up to 300 metres and a unidirectional rotating lunette for safe underwater timekeeping. The dials in shades of blue, black, grey or green are complemented by luminescent hands and indices that ensure perfect legibility even in the depths of the ocean.

Precision Swiss automatic movements with high precision and long power reserve work inside the watch. The Longines HydroConquest is the ideal choice for the modern adventurer who expects maximum performance but never gives up elegance - whether underwater or on land.

Longines HydroConquest L3.784.4.56.9

Elegance that endures time

Longines

The Longines brand is synonymous with traditional Swiss watchmaking, combining technical excellence with effortless elegance. Since its founding in 1832 in Saint-Imier, Switzerland, Longines has built a reputation as one of the most respected luxury watch manufacturers in the world. With its signature sandstone wings logo and motto "Elegance is an attitude", the brand symbolises taste, precision and style that appeals to generations around the world.

Each Longines model is the result of precise craftsmanship and an innovative approach, combining tradition with modern technology. Collections such as Master, Conquest, HydroConquest, Spirit and DolceVita reflect the brand's diversity - from sporty performance to sophisticated elegance.

Thanks to its commitment to excellence and its long-standing involvement in sports timekeeping, Longines has become an ambassador of precision and beauty. Whether you're looking for a watch for everyday wear or an exceptional jewel for a lifetime, Longines offers timepieces that never lose their allure - just like the moments they capture.

Longines HydroConquest L3.784.4.56.9

Longines HydroConquest L3.784.4.56.9

On request:
Availability on request

102 700