Graham Chronofighter Vintage Ltd Calavera Skull Limited Edition of 25. 44 mm steel grey PVD case. Black dial with painted Calavera skull shows hours, minutes, seconds, chronograph, day and date. Scratch resistant sapphire. Automatic chronograph, G1747 caliber, 25 jewels, working at 28,800 VpH with standard 48 hours power reserve. Black rubber strap. Titanium pin buckle. Water resistance 330 feet/100 m.