Invicta Men's 4983/BL Reserve Collection Automatic Chronograph Watch Precise 25 jewel Swiss-automatic ETA 7750 movement Durable mineral crystal; matte gray titanium case and bracelet Chronograph functions with 60 second, 30 minute and 12 hour sub dials; date function Blue dial; luminous hands and hour markers; screw down crown and pushers; skeleton case back; tachymeter scale on inner bezel Water-resistant to 1,640 feet (500 M)