The Longines Flagship Classic L4.374.4.97.6 is a graceful 30 mm stainless‑steel automatic timepiece featuring a sunray‑blue dial set with 13 Top Wesselton VS‑SI diamonds (0.034 ct), beneath scratch‑resistant sapphire crystal with anti‑reflective coating. Powered by calibre L592 (28,800 vph) with silicon balance‑spring and ≈ 45‑hour power reserve, it displays hours, minutes, seconds, and date. Water‑resistant to 3 bar and finished with a steel bracelet and triple‑safety folding clasp with push‑piece mechanism.