Longines HydroConquest Sylt Edition

The Longines HydroConquest Sylt Edition, reference L3.779.4.19.6, is a dive watch with a 39 mm steel case. A limited edition, the watch has a white lacquered dial with applied indexes. The case measures 11.7 mm thick and 48.1 mm lug-to-lug, with water resistance rated to 300 metres. Self-winding calibre L888.5 provides up to 72 hours of power reserve. A sapphire crystal has anti-reflective coating on both sides. The steel bracelet fastens with a folding clasp with micro adjustment. A unidirectional rotating ceramic bezel surrounds the dial, and the case has a screw-down crown.