Hamilton is established as one of the leading watchmakers in the world with a proven reputation for creating elegant and reliable timepieces. Yellow gold PVD brushed stainless steel case, Yellow goldtone screw-down caseback, Black coated bidirectional rotating bezel, Estimated Time Over (ETO) scale, Black dial, Applied luminescent Arabic numerals, Yellow goldtone luminescent hands, Two sweep second hands for the chronograph, Small seconds subdial at the 12 o’clock position, minutes subdial for the chronograph at the 4 o’clock position, Flyback function allows you to restart the chronograph with one push of a button instead of stop, reset, and start, Split function allows you to read multiple successive times measured from the same starting point, without disturbing the measurement of the total elapsed time, Date at the 6 o’clock position, Estimated Time Over (ETO) scale measures time, speed and distance, with the rotating bezel, flange, and 12 o’clock window, Black rubber strap, Pin buckle, Sapphire crystal, Screw-down crown, Swiss quartz chronograph movement, ETA caliber 251.292, Water resistance to 10 ATM/100 meters/330 feet, Case measurements are 42 mm in diameter x 13 mm thick, Strap measurements are 21 mm wide x 8 inches long.