- Beautiful and rare Omega Megasonic 720hz watch with the legendary tuning fork calibre 1230. Brand name and case reference engraved on case back. - Electronic calibre signed by Omega with serial number corresponding to year 1973. - Original beautiful Omega case made of stainless steel and preserved in marvellous condition, case size 42 mm between lugs and 36 mm excluding the crown (a jumbo size for the period). - Beautiful original Omega dial in blue colour, completely new. - Original hands for the model in stainless steel, like new. - Original crown for the model with Omega signature, completely new. - Original mineral crystal for the model with original interior connection. With light signs of wear. - Original stainless steel bracelet for the model, like new, no marks or scratches, with signed buckle and total length of 20 cm. - Dual calendar with fast date change, in perfect working condition. - Movement recently serviced and in perfect working order. - Registered and insured shipping.