Longines Hydroconquest 39MM

Reference: L3.779.4.70.6 Case width: 39 mm Water resistance: Water-resistant up to a pressure of 30 bar (300 m / 1000 ft) Warranty: 2 years Crystal: Scratch-resistant sapphire crystal with multi-layer antireflective coating on both sides Case option: Screw-in crown, solid caseback Bezel: Unidirectional rotating stainless steel and ceramic bezel Movement: Swiss automatic (self-winding mechanical) Power reserve: Up to 72 hours Beat rate: 25,200 vibrations per hour Balance spring: Monocrystalline silicon Functions: Hour, Minute, Second, Date Case material: 316L stainless steel Dial: Black lacquered polished dial with Swiss Super-LumiNova® Bracelet: Stainless steel bracelet with double security folding clasp and micro-adjustment system