BOSS Energy chronograph, reference 1513971. TECHNICAL SPECIFICATIONS Movement: battery-powered quartz chronograph. Functions: hours and minutes, small seconds, chronograph, 24-hour subdial, date at 6 o'clock and tachymeter scale. Case: stainless steel with silver-tone finish and angular/octagonal bezel outline; solid steel back. Case diameter: 44 mm, excluding crown. Case thickness: pproximately 10.5–13 mm Crystal: mineral glass. Dial: black, three recessed subdials, applied baton markers, silver-tone hour/minute hands and red central chronograph hand. Luminous details: hands and hour markers. Bezel: fixed black tachymeter scale. Bracelet: silver-tone stainless steel link bracelet, 22 mm at the lugs, deployment clasp with push buttons. Crown: standard type with two chronograph pushers. Water-resistance rating: 5 bar / 50 metres. Warranty: 1 year seller's warranty INCLUDED AND PHOTOGRAPHS BOSS presentation box. All 19 seller photographs show the actual watch. The catalogue image illustrates the same reference and is supplementary. Protective films and labels visible in the photographs have been left unchanged.