Fifty Fathoms, Bathyscaphe, Flyback Chronograph, Date, Small Seconds, black satin-brushed ceramic, black dial, unidirectional black satin-brushed ceramic bezel set with ceramic insert and Liquidmetal® hour markers, movement decorated with a sunray and snail-like pattern, sapphire crystal case-back, self-winding, 50h power reserve, diameter 43.60 mm, Sail-canvas strap, pin buckle.