Sapphire crystal (front and back). Multifunction self winding automatic movement with 6 hands. Multifunction: Big date, day, month and GMT. Built by high grade 316L solid stainless steel case. Quick set button for date and month. Texture dial with labeling numeral indicators. Uni-directional bezel. Luminous skeleton hands. Water resistant up to 300 feet or 100 meters. Available in brushed finish only.