Longines Spirit Pilot Flyback Manual-Wind Chronograph 39.5 mm Steel & Ceramic Bezel Brown Strap [L3.721.4.53.2]

The Longines Spirit Pilot Flyback Manual-Winding Chronograph 39.5 mm [L3.721.4.53.2] is a modern pilot’s chronograph that channels Longines’ enduring aviation heritage with contemporary technical innovation. Designed for navigational precision and performance timing, this model features a manual-winding mechanical movement equipped with a flyback chronograph complication, allowing the chronograph to be reset and restarted instantly with a single push — a highly practical feature for timing successive events.

Housed in a robust stainless steel case with a black ceramic bezel, the 39.5 mm profile balances presence with everyday wearability. The black matt dial is punctuated by applied gilt Arabic numerals and contrasting sub-dials, offering exceptional legibility under varied lighting conditions, enhanced by Swiss Super-LumiNova® on the hands and markers. The movement, featuring a silicon balance spring for increased magnetic resistance, is chronometer-certified by the COSC, reflecting Longines’ commitment to precision and reliability.

Completing the design is a rich brown leather strap secured with a double safety folding clasp and micro-adjustment system, delivering both comfort and confident wear. A scratch-resistant sapphire crystal with anti-reflective coating and water resistance to 10 bar (100 metres) ensure this timepiece is as resilient as it is striking.

Technical Specifications

• Brand: Longines
• Collection: Spirit Pilot Flyback
• Model: L3.721.4.53.2
• Movement: Manual-winding mechanical with flyback chronograph
• Chronometer: COSC-certified
• Case Material: Stainless steel with ceramic bezel
• Case Diameter: 39.50 mm
• Dial Colour: Black matt with gilt hands and applied Arabic numerals
• Hands: Gilt with Swiss Super-LumiNova®
• Crystal: Scratch-resistant sapphire with anti-reflective coating
• Functions: Hours, minutes, small seconds, flyback chronograph, 30-minute counter
• Strap: Brown leather
• Clasp: Double safety folding clasp with micro-adjustment system
• Water Resistance: 10 bar / 100 metres
• Warranty: 5-Year Longines International Warranty

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