GR1 Graham Chronofighter RAC. Reference 2CRBS.B02A.L81B. Watch measures 43mm and is made from steel. Automatic Graham movement caliber G1742 based upon the legendary Valjoux 7750 movement. This movement has been modified by Graham. Sapphire crystals on both sides of the case. Waterproof 3ATM or 30 meters. Functions are hours, minutes, sub seconds, chronograph and date. This watch is fitted with the original black leather strap with steel pin buckle. Naturally this watch is complete with the original papers (passport) dated March 2009 but sadly the original owner has misplaced the box. It is priced accordingly. Rare watch from the British masters!