Blancpain 5066F-1140-52B Fifty Fathoms Complete Calendar Flyback, 5066F114052B, stainless steel on a sail cloth strap (worn) with a stainless steel deployant buckle, automatic Blancpain caliber 66bf8, 40-hour power reserve, day and month windows at 12 o'clock, date indicated by the hand with a flat red tip which points to the current date, small seconds and moonphase at 6 o'clock, chronograph, metallic blue dial with applied luminous hour markers, 60-minute unidirectional sapphire bezel, sapphire crystal, screw-down crown, water resistant to 300 meters, diameter: 45mm, thickness: 17.4mm, Excellent condition with box and papers