Jaeger-LeCoultre Master Control Chronograph Aston Martin Edition, Q153847N, 153847N, 153.84.7N, stainless steel case on a strap with a matching steel deployant clasp, automatic JLC Caliber 751a/1 movement that beats at 28,800 vph, 65-hour power reserve, black dial, chronograph, pulsometer scale, date between 4 and 5 o'clock, running seconds at 6 o'clock, sapphire crystal, solid caseback, water resistant to 50 meters. Diameter: 40mm, Thickness: 13mm. Excellent condition but watch only