FC28 Frederique Constant Classics Open Double Heart. Reference FC-303/310X3B/BD/2/4/6. Watch measures 36mm and is made from steel. Automatic movement. Sapphire crystals on both sides of the case. Waterproof 5ATM or 50 meters. Functions are hours, minutes and sweep seconds. This watch is fitted with the original blue leather strap with steel folding clasp. Naturally this watch is complete with the original box and (undated) papers. Please be aware that this watch is brand new and unworn. Makes a fantastic Mother's Day gift!!