Automatic chronometer movement, blue dial face with luminous silver-tone hands and index hour markers including minute and outer rim (1/100th) markers; stainless steel case equipped with Professional III bracelet measuring 44 mm in diameter and 11.25 mm thick; uni-directional rotating stainless steel bezel; date display at the three o'clock position; sapphire crystal both for the scratch-resistant lens and solid case back (inner); screw-down crown; round shape, band width of 22 mm with fold over clasp featuring safety release mechanism; water resistant to 200 meters / 660 feet depth. Functions: hour, minute, second, date display, chronometer accurate timekeeping.