Model/Reference : A 1010-9 Material : Stainless steel case ( 316L ), Ø 42 mm Movement : Self-winding movement Complication :Hours, minutes and seconds of the chronograph indicated by central hands. Small second and second time zone at 9 o'clock. 12 hour counter at 6 o'clock, 30 minute counter at 12 o'clock and date at 3 o'clock