The Engineer M Skindiver III Beyond brings together aesthetics, precision and functionality to become a complete timepiece ready to conquer darkness. It features the RRM7309-C caliber, equipped with 80-hour power reserve while reaching COSC standards. Known for its luminous timepieces, BALL applies H3 gas tubes on all its watches. When the H3 molecules strike the internal-colored surface of the tubes, they emit light without requiring any form of external light or energy source. The Skindiver III Beyond integrates tubes below the ultra-durable domed sapphire bezel as well as on the dials robust 1mm micro gas tubes at each hour marker with the slimmer tubes on the hour, minute and second hands. Shaped from stainless steel, the 41. 5mm case measures 13. 8mm in thickness, ensuring that both solid toughness and everyday comfort are easily felt. The Amortiser® system surrounds the entire caliber and absorbs intense shock impacts. The sapphire bezel can be used to track 60 minutes of elapse