Type of mechanism: AUTOMATIC. Display: ANALOGICAL. Material Of Case: STAINLESS STEEL. Colour Of Case: GREY. Material Of Bracelet: STAINLESS STEEL. Colour Of Bracelet: GREY. Dial Colour:BLACK. Glass type: SAPPHIRE. Clousure: PRESSURE. Water resistence: 100ATM. Diameter dial: 44MM. Special Functions:DATE-HELIUM VALVE-316L STAINLESS STEEL CASE-41H CHARGE RESERVE-UNIDIRECTIONAL ROTATING BEZEL IN LUMINESCENT CERAMIC WITH 120 CLICKS-THREADED CROWN-LUMINESCENT HANDS AND INDEXES-HELIUM VALVE-4. 5MM SAPPHIRE CRYSTAL CURVED ANTI-REFLECTIVE