Grand seiko watch mechanical hi beat sbgh005 the watch is equipped with 9s85 calibre that performs 36 000 vibrations per hour and has 37 bearing jewels this timepiece has a 55 hour power reserve it is protected from water penetration and magnetic influences a date window is positioned at the 3 o clock mark additional functionalities include a blue steel second hand a screw down crown see through screw case back and scratch resistant sapphire crystal glass with anti reflective coating