Case size (H x W x D): 48.4 mm x 45.9 mm x 15 mm Weight: 58g Case material: (The resin case is the ideal companion for every day. It is durable, lightweight and relatively insensitive to cold, heat or other external influences) Strap: resin Water resistance: 200-meter water resistance (Ideal for free diving without diving equipment: the watch is water resistant to 20 bar according to ISO 22810) Mineral glass Power and battery life: 2 years Bluetooth Smart: The watch is equipped with energy-saving Bluetooth® technology, which offers energy-saving data transfer at the touch of a button. The watch can connect wirelessly to a smartphone via Bluetooth® technology, allowing access to a wide range of useful functions Smartphone: Local time is automatically set whenever the watch is connected to a smartphone. Display showing incoming calls and emails. Super automatic LED lighting: If the ambient light gets dim, a twist of the wrist will light up the watch display Steptracker: The watch has a b