A men's blue dial automatic chronograph watch from the Longines Heritage Series features a grey titanium case, brown calfskin leather strap with tang clasp, fixed grey titanium bezel, luminous silver-tone hands and Arabic numeral hour markers on its blue dial; minute markers are present. Equipped with three sub-dials for 60-second, 1/10th second, and 12-hour functions alongside the chronograph display. Powered by Calibre L688 (ETA A08.L01), an automatic movement incorporating a silicon balance-spring; protected by an anti-reflective scratch resistant sapphire crystal. Includes luminous coated hands/markers for enhanced legibility in low light, a screw-down or pull/push crown, and a solid case back. The round case measures 41 mm in diameter with a thickness of 14.50 mm; the band has a width of 22 mm. It is water resistant up to 30 meters.
