Sapphire crystal, Citizen Caliber 8204 automatic movement, scratch resistant sapphire crystal, uni-directional rotating bezel with blue ring insert, screw down crown, solid case back, analog dial type, luminous hands and markers for low-light visibility, day of the week and date at the three o'clock position, round stainless steel case size 44mm thickness 13.1mm, silver-tone hands on blue dial, index hour markers including minute markings around outer rim, sapphire crystal cover with anti-reflective coating likely included, fold over clasp with safety lock mechanism, water resistant to 200 meters or approximately 660 feet depth suitable for diving activities.