Longines Style No: L2.816.4.53.2 Longines Avigation BigEye

41.00 mm stainless steel case, screw-down back, scratch-resistant sapphire crystal with anti-reflective coating, black dial with painted Arabic numerals, caliber L688 automatic movement with chronograph, hours, minutes, small seconds at 9 o'clock, approximately 54 hours of power reserve, brown leather strap. Water resistant to 3 bar.