Silver-tone stainless steel case and bracelet. Fixed silver-tone stainless steel bezel. Black dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Day of the week and date display at the 3 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Automatic movement. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape, case size: 43 mm, case thickness: 17.00 mm. Band width: 25 mm, band length: 7.50 inches. Fold over clasp with a safety release. Functions: chronograph, day, date, hour, minute, second. Gst Series. Sport watch style. Watch label: Swiss Made. Pre-owned IWC GST Chronograph Automatic Black Dial Mens Watch IW371518.