This Seiko chrono is distinguished by an updated bezel treatment featuring a sandblasted background and raised polished numerals . . . . Chronograph records elapsed time up to 60 minutes in 1/5 seconds and will repeat up to 12 hours. . . Alarm can be set on a 12 hour basis with two small hands. The alarm subdial can alternatively be used for time in a 2nd time zone. . . Water-tested to 100 meters. . . LumiBrite?? hands and markers for night-time visibility. . . Fold-over clasp w/push button is secure and convenient. . . Stainless steel case and bracelet in mostly brushed finish with polished accents . . Battery life of to three years . . Approximate width of case, 1 5/8/ inches (40 mm) not including setting crown. . .