Jaeger LeCoultre Q1538530 Master Control Chronograph, 153.85.30, stainless steel on an leather strap with stainless steel double deployant buckle, automatic movement, JLC Caliber 751G beats at 28,800 vph, 2-tone sector dial with black printed Arabic and stick hour markers, outer blue tachymeter scale, skeleton blued syringe hands, 12-hour chronograph, blue Arabic numerals for the 30-minute and 12-hour chronograph totalizers, 65-hour power reserve, diameter: 40mm, thickness: 12.1mm, water resistant to 50 meters. Like New with original box and papers dated August of 2017.