Hamilton is established as one of the leading watchmakers in the world with a proven reputation for creating elegant and reliable timepieces. Brushed and polished black coated stainless steel case, Sapphire crystal screw-in caseback, Black coated unidirectional rotating bezel, Black dial, Silvertone applied Arabic numerals and indices, Silvertone luminescent hands, Sweep second hand, Date at the 3 o"clock position, Black leather strap, Pin buckle, Sapphire crystal, Screw-down crown, Swiss automatic movement, ETA caliber 2824-2, Power reserve of 40 hours, Water resistance to 30 ATM/300 meters/1000 feet, Case measurements are 47 mm in diameter x 13 mm thick, Strap measurements are 24 mm wide x 8 inches long.