Movement: calibre BR-CAL.325 Automatic mechanical. Functions: hours, minutes, central seconds, second 24-hour time zone and date. Quick setting of the GMT hand, independently of the hour hand. Case: 41 mm in width. Satin-finished and polished steel. White and black two-colour flange, with 24-hour scale. Screw-down crown. Crown guard. Sapphire case-back with 360° oscillating weight. Dial: black sunray. Numerals and indices coated in white Super-LumiNova®. Metal skeletonised Super-LumiNova®-filled hour and minute hands. Crystal: sapphire with anti-reflective coating. Water-resistance: 100 metres. Straps: black rubber or satin-finished and polished steel. Buckle: folding. Satin-finished and polished steel.