Stainless steel case with a stainless steel bracelet. Fixed stainless steel bezel. Black dial with silver-tone hands and index hour markers. Tachymeter markings. Minute markers around the outer rim. Dial Type: Analog. Date display at the 4 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Automatic movement. Scratch resistant sapphire crystal. Skeleton case back. Case diameter: 44 mm. Case thickness: 15.3 mm. Round case shape. Band width: 22 mm. Water resistant at 50 meters / 165 feet. Functions: chronograph, tachymeter, date, hour, minute, second. Casual watch style. Hamilton Railroad Automatic Mens Watch H40656131.