Timekeeper equipped with the self-winding mechanical movement caliber L888.6, featuring a monocrystalline silicon balance-spring. It beats at a frequency of 25,200 vibrations per hour, providing a remarkable power reserve of about 72 hours.

The sturdy round stainless steel case has a diameter of 42.00 mm with a thickness of 12.85 mm. Designed for underwater exploration, the watch boasts water resistance to 30 bar (300 meters). The crystal is scratch-resistant sapphire type with multi-layer anti-reflective coating on both sides.

The dial features a refined granulated black finish with painted Arabic numerals and hour markers. The satin-finished silver hands and dial elements are treated with Swiss Super-LumiNova for optimal readability in all light conditions.

The bracelet, also made of stainless steel (lug width 22 mm), is complemented by a double safety folding clasp with a micro-adjustment system. The total weight of the watch is 156.0 g.

Accompanied by packaging and official Longines 5-year warranty.