CELEBRATING 15 YEARS OF DARKNESS-DEFYING INGENUITY, VIRTUAL INDESTRUCTIBILITY AND FEARLESS ADVENTURE. Descended from a revered heritage of iconic toughness and superlative craftsmanship, the Engineer Hydrocarbon Original honours 15 years of our most robust and distinctive collection. Since its inception, the Engineer Hydrocarbon series has equipped explorers with trusted reliability, tough construction and smart functionality. Now it plants its flag in uncharted ground with the integration of micro gas tubes below the dial – a watchmaking first for a BALL timepiece. Combined with our most rugged technology, the Engineer Hydrocarbon Original is an indispensable tool for those wanting to submerge themselves in the darkness of the deep sea.