L3.688.4.19.6Ref

As diving watches par excellence, HydroConquest models pay homage to ocean conquerors and open-sea enthusiasts while meeting strict requirements: 30 bar (300 m) water resistance, unidirectional turning bezel, screw-down case and screw-in crown, lateral crown protection, and double security folding clasp with integrated dive extension. These safety assurances fit perfectly with the silent world's harmony, offering performance and elegance—a unique Longines combination. Reference L3.688.4.19.6 features a beige dial and a red bezel, powered by caliber L263.