Graham Chronofighter Vintage GMT. 44 mm steel case. Green sunbrushed dial shows hours, minutes, seconds, chronograph, GMT and date. Scratch resistant sapphire. Automatic chronograph, G1733 caliber, 28 jewels, working at 28,800 VpH with standard 48 hours power reserve. Green calfskin leather strap. Stainless pin buckle. Water resistance 330 feet/100 m.