Stainless steel case 40mm diameter x 14mm thick, Exhibition case back, Black dial, Luminous hands and hour markers Japanese 24 jewel automatic movement, NH35A Caliber, Assembled in Malaysia, watch weight: 155 grams Stainless steel band, 210mm L x 20mm W, Band is adjustable by adding/removing links, Fold over safety clasp Mineral crystal, Screw-down crown, Uni-directional