Stainless steel case with a stainless steel mesh bracelet. Fixed stainless steel bezel. Black dial with silver-tone hands and index hour markers. Minute markers. pilot's rotating slide rule. Dial Type: Analog-digital. Luminescent hands and markers. Two - 24 hour digital utc time display. Eco drive quartz movement. Scratch resistant mineral crystal. Screw down crown. Solid case back. Case diameter: 48 mm. Case thickness: 15.5 mm. Round case shape. Band width: 23 mm. Band length: 8 inches. Deployment with push button release clasp. Water resistant at 200 meters / 660 feet. Functions: atomic, perpetual calendar, date, day, GMT, second time zone, chronograph, hour, minute, second. Additional Info: with atomic clock synchronization for superior accuracy, this perpetual calendar chronograph receiving radio sigsuitable for recreational scuba diving. Casual watch style. Item Variations: JY8030 83E, JY8030.83E, JY803083E. Citizen Navihawk UTC Eco-Drive Chronograph Black Dial Stainless Steel Mesh Mens Watch JY8030-83E.