The Luminox Navy SEALs Steel/ Carbon Fibre Diver Series watches are amongst the best of the diving watches Luminox makes. A 43mm Stainless Steel case houses the watch's movements & the blue dial is protected by hardened mineral crystal glass. The time elapsed bezel is PC Carbon reinforced & the watch comes with a Stainless Steel strap for strength with black PC Carbon Reinforced links to help reduce the weight of the watch.