Grand Maestro Pilot

CASE MATERIAL 316L stainless steel case SIZE 43.5mm THICKNESS 16mm CRYSTAL Sapphire crystal CASE BACK 316L stainless steel screw-typed case back with K1 glass CROWN Double sealing zones screw-down crown WATER RESISTANCE 10ATM LUG WIDTH 22mm DIAL DIAL COLOR Black HOUR MARKERS & HANDS Hour markers in Arabic numerals / Super LumiNova luminous pigments on hour markers and hands MOVEMENT MOVEMENT TYPE Swiss made, ETA 7753 automatic mechanical caliber MOVEMENT FUNCTION Hour, minute, second and date display / Central 60-second chronograph hand, 30 minutes and 12 hours counters POWER RESERVE 48 hours power reserve VIBRATIONS 4Hz, 28,800 vibrations per hour JEWELS 27 jewels STRAP/ BRACELET MATERIAL Oil-tanned calf leather strap with butterfly type folded clasp COLOR Green COUNTRY OF ORIGIN Switzerland