Black resin case and strap. Fixed black bezel. Black dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog-digital. Luminescent hands and markers. Perpetual calendar. One subdial displaying: small second. Casio Calibre 5081 quartz movement. Scratch resistant mineral crystal. Solid case back. Round case shape, case size: 55 x 51.2 mm, case thickness: 16.9 mm. Band width: 20 mm, band length: Mens standard. Tang clasp. Water resistant at 200 meters / 660 feet. Functions: perpetual calendar, chronograph, world time, alarm, month, date, day, GMT, hour, minute, second, shock resistant. G-shock Series. Sport watch style. Watch label: Japan Movt. Casio G-Shock Perpetual Alarm World Time Chronograph Quartz Analog-Digital Black Dial Mens Watch GA-100-1A1.