This skilled diver&aposs mannequin options Caliber 9S85 which has a precision of +5 to -Three a day. It&aposs constructed to withstand pressures encountered in saturation diving, all the way in which right down to a depth of 600 meters. The groove on the rotating bezel ensures a agency grip even with thick diving gloves. Luminous markers at Each and each ten second level on the dial make sure that the legibility on which the safety of the deep sea diver depends Each and each part is constructed to final, however all divers know that their watch needs common repairs, an identical to Each and each different machine on which his or her life might rely. For this motive the case, stem and crown are designed for protected servicing and even the bezel has a four-part design that makes for easy disassembly and re-assembly. The dial is manufactured from pure iron in order to protect the motion from the damaging results of magnetism. It delivers safe and guarded use all through diving and due to the lightness of the titanium, Each and every-day usability could also be assured. It has the distinctive clear edges and distortion-free mirror surfaces that almost all efficient Zaratsu sharpening can ship. It comes with an additional-strength silicone strap, throughout the deep Grand Seiko in an effort to vary the phantasm of the watch at will.