Longines Hydroconquest GMT 41mm Green Dial Watch L3.790.4.06.2

The Longines Hydroconquest GMT 41mm Green Dial L3.790.4.06.2 represents the perfect fusion of diving heritage and GMT travel functionality, embodying Longines’ distinguished tradition of multi-timezone precision through its exceptional Calibre L844 movement that delivers 72-hour power reserve whilst showcasing the sophisticated green dial with black ceramic bezel that defines contemporary diving watch excellence. This exceptional 41mm timepiece demonstrates Longines’ mastery of combining authentic diving watch construction with advanced GMT technology through its 300m water resistance and silicon balance spring, establishing itself as the ideal professional diving GMT that serves both underwater operations and international travel with uncompromising excellence and authentic Swiss heritage.

This 41mm stainless steel GMT dive watch features the exclusive Longines Calibre L844 automatic movement, delivering exceptional reliability with 72-hour power reserve that ensures consistent performance throughout extended diving operations and international travel whilst the distinctive green dial with unidirectional rotating black ceramic bezel creates sophisticated visual appeal essential for professional diving timing and GMT applications. The Hydroconquest GMT demonstrates Longines’ unwavering commitment to diving and travel excellence, creating timepieces that serve genuine multi-timezone requirements whilst embracing contemporary luxury dive watch expectations through Swiss manufacturing excellence and GMT innovation that celebrates both diving heritage and modern travel advancement that continues to serve professional divers and GMT enthusiasts worldwide.

Condition: Immaculate condition
Includes: Original box and papers
Warranty: Valid until 2030
Shipping: Free UK delivery

Longines Hydroconquest GMT 41mm Green Dial Key Features

Professional Diving GMT Construction

• 41mm stainless steel case with diving watch proportions
• 12.90mm case thickness housing GMT movement
• 21mm lug width with 49.40mm lug-to-lug measurement
• Stainless steel and ceramic bezel construction
• Screw-in crown for enhanced water resistance
• 300m water resistance (30 bar)
• Reference: L3.790.4.06.2

Exclusive Calibre L844 GMT Movement

• Longines exclusive Calibre L844 self-winding mechanical movement
• GMT functionality with 24-hour hand and timezone mechanism
• 25,200 vibrations per hour for precision timekeeping
• Exceptional 72-hour power reserve
• Silicon balance spring with magnetic field resistance
• Hours, minutes, seconds, and date functions
• Screw-down caseback protecting movement

Green Dial with Diving GMT Layout

• Green dial with sophisticated diving watch aesthetics
• 24-hour GMT hand for second timezone display
• Date function for practical daily use
• Scratch-resistant sapphire crystal
• Multiple layers of anti-reflective coating on both sides
• Enhanced underwater visibility and legibility
• Professional diving watch character with GMT sophistication

Unidirectional Ceramic Bezel System

• Unidirectional rotating bezel for diving safety
• Ceramic bezel insert for superior durability
• Enhanced scratch resistance and colour retention
• Optimal diving timing functionality
• Professional diving equipment standards
• Robust construction for demanding diving use

Longines Heritage and GMT Innovation Legacy

Longines represents one of the most distinguished achievements in GMT and multi-timezone watch development, building upon the pioneering heritage established in 1911 with the first patent for dual-timezone pocket watches whilst incorporating contemporary diving watch sophistication that revolutionised GMT diving functionality through advanced movement technology and ceramic bezel innovation that democratised professional GMT diving equipment for international diving professionals and travel enthusiasts. The brand evolved significantly with modern GMT diving offerings, adding sophisticated GMT functionality that cemented its appeal to both professional diving operations and luxury GMT collecting through authentic multi-timezone heritage combined with modern diving innovation.

The Hydroconquest GMT represents contemporary evolution of Longines GMT principles, incorporating the exclusive Calibre L844 that enhances GMT precision whilst maintaining the diving functionality and water sports inspiration that defined the Hydroconquest collection’s success. The blue dial creates distinctive GMT diving sophistication that serves both professional underwater applications and international travel requirements. This combination of authentic GMT heritage and contemporary diving innovation positions the Hydroconquest GMT as the definitive GMT diving watch that celebrates both underwater excellence and travel functionality whilst serving modern diving requirements through Swiss manufacturing quality and distinctive GMT appeal that continues to honour whilst advancing the essential character that has defined multi-timezone diving timekeeping for over a century.

Perfect For

• Longines Hydroconquest collection and diving heritage enthusiasts
• GMT functionality and multi-timezone travel requirements
• Professional diving with international travel applications
• Calibre L844 and 72-hour power reserve admirers
• 43mm substantial diving GMT collectors
• Ceramic bezel technology and diving durability advocates
• Silicon balance spring and magnetic resistance appreciators
• Water sports and diving with travel functionality needs

Frequently Asked Questions

What Makes the Calibre L844 Exceptional for Diving GMT Applications?

The Calibre L844 provides exceptional GMT functionality and extended power reserve essential for professional diving applications involving international travel where dual-timezone accuracy affects operational planning and safety protocols during global diving operations. The 72-hour power reserve ensures continuous GMT operation throughout extended diving expeditions and international travel whilst the silicon balance spring offers enhanced magnetic resistance crucial for modern diving equipment environments. The exclusive Longines development validates GMT diving capability rather than conventional GMT adaptation.

The movement technology also incorporates 25,200 vibrations per hour ensuring precision that meets professional diving timing standards whilst the GMT mechanism enables rapid timezone adjustment without affecting primary timekeeping accuracy essential for diving safety protocols. The silicon technology provides enhanced reliability throughout challenging diving conditions and travel environments. For professional diving instructors who require international GMT capability and diving GMT enthusiasts who appreciate exclusive movement technology, the Calibre L844 provides optimal combination of GMT precision, extended power reserve, and diving reliability that serves both professional diving applications whilst maintaining the advanced GMT character expected from exclusive Longines movement development and proven diving GMT excellence.

How Does 300M Water Resistance Serve Professional Diving GMT Requirements?

The 300m water resistance provides exceptional deep diving capability and professional safety margins essential for GMT diving applications where depth capability affects operational limits and safety protocols during international diving operations including technical diving, dive instruction, and commercial diving work. The 30 bar rating ensures reliable GMT operation at depths that exceed recreational diving limits whilst providing substantial safety margin for professional diving equipment. The resistance validates professional diving GMT equipment status rather than travel GMT enhancement.

The water resistance also enables diverse diving applications whilst maintaining GMT functionality throughout demanding underwater operations including cave diving, wreck exploration, and technical diving where conventional GMT watches might prove inadequate for depth requirements. The professional rating supports international diving instruction and commercial diving operations. For professional diving GMT users who require deep diving capability and technical diving enthusiasts who appreciate professional equipment standards, 300m resistance provides genuine operational advantages that enhance both diving safety and GMT reliability whilst maintaining the professional character expected from diving GMT equipment and proven underwater GMT technology.

What Advantages Does Ceramic Bezel Construction Provide for Diving GMT Applications?

Ceramic bezel construction offers exceptional durability and colour retention essential for professional diving GMT applications where bezel integrity affects timing accuracy and equipment reliability during demanding underwater operations and international travel exposure. Ceramic provides superior scratch resistance compared to aluminium alternatives whilst maintaining colour consistency throughout saltwater exposure and environmental conditions common during professional diving use. The ceramic technology demonstrates advanced materials innovation adapted for diving GMT requirements.

The ceramic construction also withstands impact conditions whilst providing enhanced chemical resistance essential for diving equipment exposed to saltwater, cleaning solutions, and marine environments that could affect conventional bezel materials. The unidirectional rotation ensures diving safety whilst the ceramic material maintains marking clarity throughout extended professional use. For professional diving GMT users who require durable timing equipment and diving technology enthusiasts who appreciate materials innovation, ceramic bezel provides genuine performance advantages that enhance both diving functionality and long-term reliability whilst maintaining the professional character expected from diving GMT equipment and proven ceramic diving technology.

How Does Silicon Balance Spring Technology Enhance GMT Diving Performance?

Silicon balance spring technology provides exceptional magnetic resistance and enhanced precision essential for GMT diving applications where magnetic interference could affect timing accuracy during modern diving operations involving electronic equipment, underwater tools, and diving bells containing magnetic components. Silicon offers superior magnetic field resistance compared to traditional balance springs whilst maintaining precision throughout varied temperature conditions common during international diving travel. The technology demonstrates advanced horological innovation adapted for diving GMT requirements.

The silicon construction also provides enhanced shock resistance whilst offering superior ageing characteristics that maintain GMT precision throughout extended diving use and international travel exposure including altitude variations, temperature extremes, and environmental challenges. The technology enables consistent GMT performance whilst supporting diverse diving applications. For professional diving GMT users who require magnetic-resistant timing and horological technology enthusiasts who appreciate silicon innovation, the balance spring provides optimal combination of magnetic resistance, precision enhancement, and diving reliability that serves both diving GMT applications whilst maintaining the advanced technology character expected from contemporary GMT diving movements and proven silicon horological excellence.

What Distinguishes This Model Within Contemporary GMT Diving Watch Markets?

The Hydroconquest GMT represents Longines’ GMT heritage leadership and diving innovation whilst incorporating Calibre L844 exclusive technology that demonstrates the brand’s advancement into professional GMT diving territory beyond conventional travel GMT positioning. The 300m water resistance combined with GMT functionality creates distinctive positioning that serves both diving capability and international travel sophistication compared to standard GMT alternatives lacking professional diving credentials. The Longines GMT heritage ensures authentic multi-timezone credibility whilst embracing diving advancement.

The model demonstrates how GMT heritage can enhance diving watch sophistication whilst maintaining essential underwater capabilities and proven diving functionality that continues to serve professional diving requirements. The combination of exclusive GMT movement, diving water resistance, and ceramic technology creates contemporary interpretation that appeals to both GMT enthusiasts and professional diving collectors. For diving GMT professionals seeking authentic multi-timezone capability and collectors who appreciate GMT diving innovation, this model provides compelling combination of GMT tradition, diving advancement, and Swiss precision that serves both professional diving applications and luxury GMT collecting through proven multi-timezone heritage and continued diving GMT innovation excellence.