Case size (H× W× D): 48,6 mm x 45,5 mm x 11,9 mm Weight: 52 g Case / bezel material: Carbon-reinforced resin (Thanks to its extremely high level of durability, resin is the ideal material for watches. Combining resin with carbon-a particularly robust material-creates a casing that is even more stress-resistant and offers even greater protection against external influences, resulting in an extremely high level of durability) Band: Resin Water resistance: 200-meter water resistance (Perfect for free diving without scuba gear: the watch is water resistant up to 20 bar according to ISO 22810) Mineral glass Bluetooth® Smart: The watch is equipped with energy-saving Bluetooth® technology, which offers power-saving data transfer at the push of a button. The watch can connect to a smartphone wirelessly via Bluetooth®, enabling access to a wide range of useful functions Smartphone time: Local time will automatically be adjusted whenever the watch is connected with a smartphone Super Illuminator