From Seiko, this watch features: Stainless steel bracelet Case size approx. 38.7mm Box-shaped Hardlex crystal LumiBrite on hands and indexes Tachymeter function Screw case back Quartz chronograph movement 24-hour hand Equipped with small seconds hand Chronograph up to 60 minutes in 1/5 second increments Date display Stainless steel bracelet Three-fold clasp with push button release Water resistance up to 5 bar Imported.