This Seiko SSB415P Black Chronograph Mens Watch has fashionable sportiness, and is backed by a precision quartz movement. The watch's chronograph stopwatch makes timekeeping easy, while its tachymeter bezel offers the ability to measure your speed over distance when running or cycling. An all-black and patterned dial makes this timepiece a versatile and powerful dress watch. ???? Precise quartz movement ???? Stainless steel ???? Water resistant to 100m ???? Chronograph stopwatch ???? Sapphire glass ???? Date window