FC30 Frederique Constant Classic. Reference FC-303X5B3/4/5/6. Watch measures 40mm and is made from steel. Automatic movement which provides for 40 hours of power reserve. Sapphire crystal on the front and a closed case back. Waterproof 5ATM or 50 meters. Functions are hours, minutes, sweep seconds and date. This watch is fitted with the original black leather strap with steel pin buckle. Naturally this watch is complete with the original box and papers and also the original bil purchase is still with the watch. Great classic!