Citizen Caliber Eco-Drive B620 movement, chronograph function with three sub-dials for seconds minutes and hours, black dial featuring silver-tone hands and index hour markers Luminescent markings, fixed stainless steel bezel, scratch resistant mineral crystal, date display at the 4 to 5 o'clock position, fold over clasp, solid case back, round shape measuring 44mm in diameter with a thickness of 13mm, water resistance up to 100 meters